VREX

SEC source: 0001214659-17-000583 · marketforms-37693.xml · derivative · entry 5

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2022-02-13

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F6 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 13, 2015 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000583 · marketforms-37693.xml · derivative · entry 4

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2021-02-21

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F5 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 21, 2014 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000583 · marketforms-37693.xml · derivative · entry 3

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2019-11-09

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F4 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from November 9, 2012 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000583 · marketforms-37693.xml · derivative · entry 2

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2018-11-11

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F3 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from November 11, 2011 and the remaining vests monthly thereafter

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000583 · marketforms-37693.xml · derivative · entry 1

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2017-05-14

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F2 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from May 14, 2010 and the remaining vests monthly thereafter

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000580 · marketforms-37687.xml · derivative · entry 3

NAUMANN-ETIENNE RUEDIGER · CIK 0001219636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F4 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F4 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F1 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000580 · marketforms-37687.xml · derivative · entry 2

NAUMANN-ETIENNE RUEDIGER · CIK 0001219636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 13, 2016. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 13, 2016. Vested shares will be delivered to the reporting person upon vest date.

F1 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000580 · marketforms-37687.xml · derivative · entry 1

NAUMANN-ETIENNE RUEDIGER · CIK 0001219636 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F2 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 21, 2015. Vested shares will be delivered to the reporting person upon vest date.

F2 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 21, 2015. Vested shares will be delivered to the reporting person upon vest date.

F1 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F1 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 7

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F6 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F9 · derivative.exercise_date: These RSUs vest in three equal annual installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F9 · derivative.expiration_date: These RSUs vest in three equal annual installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F6 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 6

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F6 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · derivative.exercise_date: These RSUs vest in two equal annual installments beginning on February 13, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.expiration_date: These RSUs vest in two equal annual installments beginning on February 13, 2017. Vested shares will be delivered to the reporting person upon vest date.

F6 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 5

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F6 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F7 · derivative.exercise_date: These RSUs vest February 21, 2017. Vested shares will be delivered to the reporting person upon vest date.

F7 · derivative.expiration_date: These RSUs vest February 21, 2017. Vested shares will be delivered to the reporting person upon vest date.

F6 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 4

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2023-02-12

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F5 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 3

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2022-02-13

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F4 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 13, 2015 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 2

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2021-02-21

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F3 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 21, 2014 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000585 · marketforms-37684.xml · derivative · entry 1

VERHOEF CLARENCE R · CIK 0001555927 · SVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2019-11-09

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F2 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from November 9, 2012 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000584 · marketforms-37685.xml · derivative · entry 4

REINHARDT ERICH R · CIK 0001555958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F3 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F6 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000584 · marketforms-37685.xml · derivative · entry 3

REINHARDT ERICH R · CIK 0001555958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F3 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 13, 2016. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 13, 2016. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000584 · marketforms-37685.xml · derivative · entry 2

REINHARDT ERICH R · CIK 0001555958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F3 · derivative.exercise_price: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F4 · derivative.exercise_date: These DSUs vest in four equal quarterly installments beginning on February 21, 2015. Vested shares will be delivered to the reporting person upon vest date.

F4 · derivative.expiration_date: These DSUs vest in four equal quarterly installments beginning on February 21, 2015. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the Spin-off, each outstanding deferred stock unit ("DSU") award held by the reporting person was converted into a DSU award denominated in shares of the Issuer's common stock. The number of shares underlying the DSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian DSU award. Once the number of shares of the Issuer's common stock underlying this DSU award has been determined, an amended Form 4 will be filed disclosing such information. Each DSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000584 · marketforms-37685.xml · derivative · entry 1

REINHARDT ERICH R · CIK 0001555958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2020-02-21

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F2 · derivative.exercise_date: Option is subject to vest 100% immediately on February 15, 2013.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 6

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F5 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · derivative.exercise_date: These RSUs vest in three equal annual installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.expiration_date: These RSUs vest in three equal annual installments beginning on February 12, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 5

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F5 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F7 · derivative.exercise_date: These RSUs vest in two equal annual installments beginning on February 13, 2017. Vested shares will be delivered to the reporting person upon vest date.

F7 · derivative.expiration_date: These RSUs vest in two equal annual installments beginning on February 13, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 4

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F5 · derivative.exercise_price: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · derivative.exercise_date: These RSUs vest February 21, 2017. Vested shares will be delivered to the reporting person upon vest date.

F6 · derivative.expiration_date: These RSUs vest February 21, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the Spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. Once the number of shares of the Issuer's common stock underlying this RSU award has been determined, an amended Form 4 will be filed disclosing such information. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 3

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2023-02-12

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F4 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 2

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2022-02-13

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F3 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 13, 2015 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000579 · marketforms-37686.xml · derivative · entry 1

SANYAL SUNNY · CIK 0001599398 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2021-02-21

F1 · derivative.exercise_price: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F2 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 21, 2014 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

F1 · balance_after: In connection with the Spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, will be adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. Once the number of shares of the Issuer's common stock underlying this option award, and the exercise price thereof, has been determined, an amended Form 4 will be filed disclosing such information.

SEC source: 0001214659-17-000910 · marketforms-37774.xml · derivative · entry 4

Honeysett Kimberley E. · CIK 0001695094 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,286

Underlying: Common Stock · 3,313 shares

Expires 2020-02-15

F3 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · derivative.exercise_date: These RSUs vest in three equal installments beginning February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000910 · marketforms-37774.xml · derivative · entry 3

Honeysett Kimberley E. · CIK 0001695094 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,286

Underlying: Common Stock · 2,713 shares

Expires 2019-02-15

F3 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · derivative.exercise_date: These RSUs vest in two equal installments beginning February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000910 · marketforms-37774.xml · derivative · entry 2

Honeysett Kimberley E. · CIK 0001695094 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,286

Underlying: Common Stock · 1,260 shares

Expires 2018-02-15

F3 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F4 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F3 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F3 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000910 · marketforms-37774.xml · derivative · entry 1

Honeysett Kimberley E. · CIK 0001695094 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,189

Underlying: Common Stock · 9,189 shares

Expires 2023-02-12

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F2 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 6

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,447

Underlying: Common Stock · 5,300 shares

Expires 2020-02-15

F5 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · derivative.exercise_date: These RSUs vest in three equal annual installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 5

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,447

Underlying: Common Stock · 3,184 shares

Expires 2019-02-15

F5 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F7 · derivative.exercise_date: These RSUs vest in two equal annual installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 4

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,447

Underlying: Common Stock · 1,963 shares

Expires 2018-02-15

F5 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F6 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F5 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F5 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 3

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,703

Underlying: Common Stock · 14,703 shares

Expires 2023-02-12

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F4 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 2

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,932

Underlying: Common Stock · 11,932 shares

Expires 2022-02-13

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F3 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 13, 2015 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000917 · marketforms-37791.xml · derivative · entry 1

Colbeth Richard E. · CIK 0001695289 · SVP and GM, X-Ray Detectors

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,515

Underlying: Common Stock · 13,515 shares

Expires 2021-02-21

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F2 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 21, 2014 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 10

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 5,300 shares

Expires 2020-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F11 · derivative.exercise_date: These RSUs vest in three equal annual installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 9

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 3,328 shares

Expires 2019-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F10 · derivative.exercise_date: These RSUs vest in two equal installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 8

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 2,002 shares

Expires 2018-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F9 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 7

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 4,323 shares

Expires 2018-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F9 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 6

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,703

Underlying: Common Stock · 14,703 shares

Expires 2023-02-12

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F7 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 5

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,472

Underlying: Common Stock · 12,472 shares

Expires 2022-02-13

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F6 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 13, 2015 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 4

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,790

Underlying: Common Stock · 13,790 shares

Expires 2021-02-21

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F5 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 21, 2014 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 3

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,530

Underlying: Common Stock · 13,530 shares

Expires 2019-11-09

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F4 · derivative.exercise_date: Option fully vested three years from the date of grant.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 2

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,155

Underlying: Common Stock · 11,155 shares

Expires 2018-11-11

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F3 · derivative.exercise_date: Option fully vested three years from the date of grant.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000916 · marketforms-37812.xml · derivative · entry 1

Jonaitis Mark S. · CIK 0001695264 · SVP and GM, X-Ray Sources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,089

Underlying: Common Stock · 18,089 shares

Expires 2017-05-14

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F2 · derivative.exercise_date: Option fully vested three years from the date of grant.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

SEC source: 0001214659-17-000915 · marketforms-37780.xml · derivative · entry 10

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 5,300 shares

Expires 2020-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F11 · derivative.exercise_date: These RSUs vest in three equal annual installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000915 · marketforms-37780.xml · derivative · entry 9

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 3,328 shares

Expires 2019-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F10 · derivative.exercise_date: These RSUs vest in two equal annual installments beginning on February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000915 · marketforms-37780.xml · derivative · entry 8

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 2,002 shares

Expires 2018-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F9 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000915 · marketforms-37780.xml · derivative · entry 7

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,953

Underlying: Common Stock · 4,323 shares

Expires 2018-02-15

F8 · derivative.exercise_price: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F9 · derivative.exercise_date: These RSUs vest February 15, 2017. Vested shares will be delivered to the reporting person upon vest date.

F8 · derivative.underlying_shares: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

F8 · balance_after: In connection with the spin-off, each outstanding restricted stock unit ("RSU") award held by the reporting person was converted into a RSU award denominated in shares of the Issuer's common stock. The number of shares underlying the RSU award was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian RSU award. This amendment is being filed to disclose the number of shares of the Issuer's common stock underlying this RSU. Each RSU represents a contingent right to receive one share of the Issuer's underlying common stock.

SEC source: 0001214659-17-000915 · marketforms-37780.xml · derivative · entry 6

LaCasce Carl E. · CIK 0001695298 · SVP, Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,703

Underlying: Common Stock · 14,703 shares

Expires 2023-02-12

F1 · shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F7 · derivative.exercise_date: Option is subject to a three year vesting schedule, 1/3 of the total number of shares vests in one year from February 12, 2016 and the remaining vests monthly thereafter.

F1 · derivative.underlying_shares: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.

F1 · balance_after: In connection with the spin-off of the Issuer from Varian Medical Systems Inc. ("Varian") on January 28, 2017 (the "Spin-off"), each outstanding Varian stock option award held by the reporting person was converted into an award of options to purchase shares of the Issuer's common stock. The number of shares underlying the option award, and the exercise price thereof, was adjusted (based in part on the simple average of the closing per-share price of Issuer's common stock trading on the Nasdaq Global Select Market during each of the first five full trading sessions following the Spin-off) in a manner intended to preserve the aggregate intrinsic value of the original Varian option award. This amendment is being filed to disclose the exercise price and number of underlying shares that have been determined in respect of each grant.