Young Micah W

SEC source: 0001717871-26-000006 · wk-form4_1784233208.xml · derivative · entry 1

Young Micah W · CIK 0001717871 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,555

Underlying: Common Stock · 356,555 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.

F2 · derivative.exercise_date: 118,851 shares will vest on July 15, 2027, 118,852 shares will vest on July 15, 2028, and 118,852 shares will vest on July 15, 2029.

F2 · derivative.expiration_date: 118,851 shares will vest on July 15, 2027, 118,852 shares will vest on July 15, 2028, and 118,852 shares will vest on July 15, 2029.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 12

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,485 shares

Expires not disclosed

F9 · derivative.exercise_price: Represents the PSUs granted on March 11, 2025, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

F7 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F7 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F9 · derivative.exercise_date: Represents the PSUs granted on March 11, 2025, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F7 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F9 · derivative.expiration_date: Represents the PSUs granted on March 11, 2025, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 11

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,898 shares

Expires not disclosed

F8 · derivative.exercise_price: Represents the PSUs granted on March 1, 2024, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

F7 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F7 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F8 · derivative.exercise_date: Represents the PSUs granted on March 1, 2024, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F7 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's performance-based restricted stock units ("PSUs") outstanding as of immediately prior to the effective time of the Merger, as determined at target performance, were canceled and converted into the right to receive $180.00 for each share of Common Stock underlying such award of PSUs, without interest and less any applicable tax withholding.

F8 · derivative.expiration_date: Represents the PSUs granted on March 1, 2024, which represented the right to receive shares of Common Stock over a three year performance period, determined at target performance.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 10

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,739 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 9

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,954 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 8

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,362 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 7

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,633 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 6

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,788 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 5

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,175 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 4

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F6 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F6 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's stock options outstanding as of immediately prior to the effective time of the Merger, whether vested or unvested, were canceled and converted into the right to receive, for each share of Common Stock subject to such option, the excess, if any, of the Per Share Merger Consideration over the exercise price per share of such option, without interest and less any applicable tax withholding.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,671 shares

Expires not disclosed

F5 · derivative.exercise_price: Represents the unvested portion of RSUs granted on March 6, 2026, which award of RSUs was to vest ratably over four years.

F3 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F3 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F5 · derivative.exercise_date: Represents the unvested portion of RSUs granted on March 6, 2026, which award of RSUs was to vest ratably over four years.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F3 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F5 · derivative.expiration_date: Represents the unvested portion of RSUs granted on March 6, 2026, which award of RSUs was to vest ratably over four years.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · derivative · entry 2

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,622 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents the unvested portion of RSUs granted on March 11, 2025, which award of RSUs was to vest ratably over four years.

F3 · price: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F1 · derivative.exercise_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F3 · derivative.exercise_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F4 · derivative.exercise_date: Represents the unvested portion of RSUs granted on March 11, 2025, which award of RSUs was to vest ratably over four years.

F1 · derivative.expiration_date: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F3 · derivative.expiration_date: On June 10, 2026, at the effective time of the Merger, each of the Issuer's restricted stock units ("RSUs") (other than certain RSUs held by the Issuer's non-employee directors) was assumed by Parent and converted into a number of RSUs of Parent equal to the product of the number of shares of Parent common stock equal to the number of shares of Common Stock underlying such RSU multiplied by the quotient of (a) the Per Share Merger Consideration, divided by (b) the volume-weighted average trading price per share of Parent's common stock for the ten trading day period ending on and including June 10, 2026 ($183.33).

F4 · derivative.expiration_date: Represents the unvested portion of RSUs granted on March 11, 2025, which award of RSUs was to vest ratably over four years.

SEC source: 0001104659-26-073511 · tm2617401-8_4seq1.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: On June 10, 2026, pursuant to the Agreement and Plan of Merger, dated February 16, 2026, by and among Masimo Corporation (the "Issuer"), Danaher Corporation ("Parent"), and Mobius Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation and a wholly owned subsidiary of Parent (the "Merger").

F2 · price: On June 10, 2026, at the effective time of the Merger, each share of the Issuer's common stock, par value $0.001 per share (the "Common Stock") issued and outstanding prior to the effective time of the Merger (other than certain excluded shares and dissenting shares) was canceled, extinguished and converted into the right to receive an amount in cash equal to $180.00 per share, without interest (the "Per Share Merger Consideration").

SEC source: 0000937556-26-000042 · wk-form4_1773695996.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,622

Underlying: Common Stock · 873 shares

Expires 2035-03-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F1 · derivative.exercise_date: As previously reported, the reporting person was granted 3,495 restricted stock units (RSUs) on March 11, 2025 and will vest ratably over four years, 25% of which vested on March 11, 2026.

SEC source: 0000937556-26-000042 · wk-form4_1773695996.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,656

F2 · shares: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain RSUs.

SEC source: 0000937556-26-000042 · wk-form4_1773695996.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,127

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: As previously reported, the reporting person was granted 3,495 restricted stock units (RSUs) on March 11, 2025 and will vest ratably over four years, 25% of which vested on March 11, 2026.

SEC source: 0000937556-26-000025 · wk-form4_1773183092.xml · derivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,671

Underlying: Common Stock · 17,671 shares

Expires 2036-03-06

F1 · derivative.exercise_price: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F2 · derivative.exercise_date: This RSU award was granted on March 6, 2026 and will vest ratably over four years, with 25% of the award vesting on each anniversary of the grant date.

SEC source: 0000937556-26-000021 · wk-form4_1772587776.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F1 · derivative.exercise_date: As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which vested on March 1, 2025. The remaining 15,000 restricted stock units vested on February 27, 2026.

F1 · derivative.expiration_date: As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which vested on March 1, 2025. The remaining 15,000 restricted stock units vested on February 27, 2026.

SEC source: 0000937556-26-000021 · wk-form4_1772587776.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,254

F3 · shares: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain restricted stock units.

SEC source: 0000937556-26-000021 · wk-form4_1772587776.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,347

F1 · shares: As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which vested on March 1, 2025. The remaining 15,000 restricted stock units vested on February 27, 2026.

F2 · shares: For the vesting that occurred on March 1, 2026, the Issuer calculated the number of vested shares and shares withheld for tax liability based on its closing stock price on the immediately preceding business day. As a result, the Reporting person received 6,907 shares of common stock, as shown in Table I.

SEC source: 0000937556-26-000019 · wk-form4_1772154795.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,347

F2 · shares: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain PSUs.

SEC source: 0000937556-26-000019 · wk-form4_1772154795.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,470

F1 · shares: On March 3, 2023, the Reporting Person was granted performance-based restricted stock units ("PSUs"), which vested on February 26, 2026 upon the Issuer's achievement of certain pre-established performance goals for the three-year performance period ended January 3, 2026.

SEC source: 0000937556-25-000047 · wk-form4_1741911363.xml · derivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,495

Underlying: Common Stock · 3,495 shares

Expires 2035-03-11

F2 · derivative.exercise_price: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F3 · derivative.exercise_date: This RSU award was granted on March 11, 2025 and will vest ratably over four years, with 25% of the award vesting on each anniversary of the grant date.

SEC source: 0000937556-25-000047 · wk-form4_1741911363.xml · derivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,739

Underlying: Common Stock · 7,739 shares

Expires 2035-03-11

F1 · derivative.exercise_date: This option was granted on March 11, 2025 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-25-000039 · wk-form4_1741124656.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F4 · derivative.exercise_date: As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which will vest on March 1, 2025 and 50% of which will vest on March 1, 2026. The remaining 15,000 restricted stock units are shown in table II and are scheduled to vest on March 1, 2026.

F4 · derivative.expiration_date: As previously reported, the reporting person was granted 30,000 restricted stock units on March 1, 2024, 50% of which will vest on March 1, 2025 and 50% of which will vest on March 1, 2026. The remaining 15,000 restricted stock units are shown in table II and are scheduled to vest on March 1, 2026.

SEC source: 0000937556-25-000039 · wk-form4_1741124656.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,436

F1 · shares: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain performance restricted stock units.

F2 · price: For the vesting that occurred on March 1, 2025, the Company calculated the number of vested shares and shares withheld for tax liability based on the Company's closing stock price on the immediately preceding business day. As a result, the Reporting person received 6,900 shares of common stock, as shown in Table I.

SEC source: 0000937556-25-000039 · wk-form4_1741124656.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,536

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-030168 · tm247729-4_4seq1.xml · derivative · entry 4

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of the Issuer upon vesting of the RSU.

F6 · derivative.exercise_date: On March 1, 2024, the Reporting Person was granted 30,000 restricted stock units, 50% of which will vest on March 1, 2025 and 50% of which will vest on March 1, 2026.

F6 · derivative.expiration_date: On March 1, 2024, the Reporting Person was granted 30,000 restricted stock units, 50% of which will vest on March 1, 2025 and 50% of which will vest on March 1, 2026.

SEC source: 0001104659-24-030168 · tm247729-4_4seq1.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,954

Underlying: Common Stock · 11,954 shares

Expires 2034-03-01

F4 · derivative.exercise_date: This option was granted on March 1, 2024 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0001104659-24-030168 · tm247729-4_4seq1.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,536

F3 · kind: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain performance restricted stock units.

SEC source: 0001104659-24-030168 · tm247729-4_4seq1.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,924

F1 · kind: On February 26, 2021, the Reporting Person was granted performance restricted stock units which vested on February 28, 2024 based on the Issuer's achievement of certain FY2023 pre-established performance objectives.

F2 · balance_after: The number of shares reported herein reflects the previously unreported withholding by the Issuer of 7,705 shares of the Issuer's common stock in 2021 and 4,923 shares of the Issuer's common stock in 2022, in each case in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain restricted stock units.

SEC source: 0000937556-23-000026 · wf-form4_167823926903614.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,802

Underlying: Common Stock · 8,802 shares

Expires 2033-03-03

F3 · derivative.exercise_date: This option was granted on March 3, 2023 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-23-000026 · wf-form4_167823926903614.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,548

F2 · kind: These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of certain performance restricted stock units.

SEC source: 0000937556-23-000026 · wf-form4_167823926903614.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,211

F1 · kind: On March 12, 2020, the Reporting Person was granted performance restricted stock units which vested on March 3, 2023 based on the Issuer's achievement of certain FY2022 pre-established performance objectives.

SEC source: 0000937556-22-000064 · wf-form4_164574180069692.xml · derivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,362

Underlying: Common Stock · 6,362 shares

Expires 2032-02-22

F1 · derivative.exercise_date: This option was granted on February 22, 2022 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-22-000055 · wf-form4_164504587261464.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,195

F1 · kind: On March 15, 2019, the Reporting Person was granted performance restricted stock units which vested on February 14, 2022 based on the Issuer's achievement of certain FY2021 pre-established performance objectives.

SEC source: 0000937556-21-000134 · wf-form4_163710164483341.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,893

F1 · kind: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of August 19, 2021, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

SEC source: 0000937556-21-000072 · wf-form4_161825811278267.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,175

Underlying: Common Stock · 2,087 shares

Expires 2028-03-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This option was granted on March 16, 2018 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-21-000072 · wf-form4_161825811278267.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,593

F1 · kind: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of July 31, 2020, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

SEC source: 0000937556-21-000072 · wf-form4_161825811278267.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,680

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000937556-21-000051 · wf-form4_161471926597585.xml · derivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,956

Underlying: Common Stock · 3,956 shares

Expires 2031-02-26

F1 · derivative.exercise_date: This option was granted on February 26, 2021 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-21-000035 · wf-form4_161420086482814.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,593

F1 · kind: On March 16, 2018, the Reporting Person was granted performance restricted stock units which vested on February 22, 2021 based on the Issuer's achievement of certain FY2020 pre-established performance objectives.

SEC source: 0000937556-20-000163 · wf-form4_160331452878305.xml · derivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 10,000 shares

Expires 2027-10-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: This option was granted on October 16, 2017 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-20-000163 · wf-form4_160331452878305.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of July 31, 2020, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

SEC source: 0000937556-20-000163 · wf-form4_160331452878305.xml · nonDerivative · entry 1

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000937556-20-000083 · wf-form4_158699245100025.xml · derivative · entry 6

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,788

Underlying: Common Stock · 1,447 shares

Expires 2029-03-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: This option was granted on March 15, 2019 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-20-000083 · wf-form4_158699245100025.xml · derivative · entry 5

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,262

Underlying: Common Stock · 2,087 shares

Expires 2028-03-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: This option was granted on March 16, 2018 and is exercisable as the option vests. The option vests over a five year period, with 20% of the shares subject to the option vesting on each anniversary of the grant date.

SEC source: 0000937556-20-000083 · wf-form4_158699245100025.xml · nonDerivative · entry 4

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of August 7, 2019, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 represents the weighted average sale price per share. The actual sale prices ranged from a low of $200.00 per share to a high of $200.01 per share. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000937556-20-000083 · wf-form4_158699245100025.xml · nonDerivative · entry 3

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,447

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000937556-20-000083 · wf-form4_158699245100025.xml · nonDerivative · entry 2

Young Micah W · CIK 0001717871 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The shares covered by this Form 4 were exercised and sold pursuant to a Rule 10b5-1 Sales Plan dated as of August 7, 2019, which is intended to comply with Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 represents the weighted average sale price per share. The actual sale prices ranged from a low of $200.00 per share to a high of $200.13 per share. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.