Tapewire

Nasdaq · USD

KOD

Kodiak Sciences Inc.

Export transactions ↓
Tapewire entity
4388
SEC CIK
0001468748
Parsed reports
189

Last 12 months

Inside the activity.

84 purchase rows · 6 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202520
Jan 202600
Feb 202600
Mar 202600
Apr 202604
May 202600
Jun 202602
Jul 202600
Aug 202600
Sep 2026820
Oct 202600

Latest available

Insider transactions

JSON API
Reset

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 20, 2021 Filed Sep 22, 2021 21:02 UTC
EHRLICH JASONSee Remarks
Exercise / conversionCommon Stock 6,950 $10.29 $71,515.50
Disclosure

SEC source: 0001209191-21-057278 · doc4.xml · nonDerivative · entry 1

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,491

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.

Read SEC document
September 16, 2021 Filed Sep 17, 2021 22:05 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 1,153 $94.59 $109,064.35
Disclosure

SEC source: 0001638599-21-000721 · doc4_7355.xml · nonDerivative · entry 4

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,300,993

F7 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $94.45 to $94.73, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
September 15, 2021 Filed Sep 17, 2021 22:05 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 400 $94.48 $37,791.00
Disclosure

SEC source: 0001638599-21-000721 · doc4_7355.xml · nonDerivative · entry 3

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,299,840

F6 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $94.46 to $94.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
September 15, 2021 Filed Sep 17, 2021 22:05 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 30,285 $94.38 $2,858,425.50
Disclosure

SEC source: 0001638599-21-000721 · doc4_7355.xml · nonDerivative · entry 2

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,299,440

F2 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $93.81 to $94.64, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
September 07, 2021 Filed Sep 9, 2021 22:43 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 52,201 $93.35 $4,872,947.69
Disclosure

SEC source: 0001638599-21-000706 · doc4_7348.xml · nonDerivative · entry 3

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,269,155

F6 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $93.00 to $93.92, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
September 07, 2021 Filed Sep 9, 2021 22:43 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 5,300 $92.88 $492,279.37
Disclosure

SEC source: 0001638599-21-000706 · doc4_7348.xml · nonDerivative · entry 2

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,216,954

F2 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $92.86 to $92.90, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
Exercise / conversionStock Option (Right to Buy) · Derivative 5,258 $0.00 Strike: $10.29 $0.00
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · derivative · entry 8

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,288

Underlying: Common Stock · 5,258 shares

Expires 2028-08-29

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.

F7 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vested on September 1, 2019, and 1/48th of the shares subject to the option vest on the same day of each month thereafter.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 23 $93.04 $2,139.92
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 7

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,541

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 2,278 $92.52 $210,764.66
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 6

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,564

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F6 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $92.02 to $92.995, inclusive.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 3,193 $91.60 $292,463.47
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 5

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,842

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $91.10 to $91.995, inclusive.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 542 $90.64 $49,128.24
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 4

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,035

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $89.945 to $90.94, inclusive.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 510 $89.06 $45,418.46
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 3

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,577

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $88.81 to $89.78, inclusive.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 404 $88.17 $35,619.27
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 2

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,087

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $87.66 to $88.40, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in these footnotes.

Read SEC document
August 20, 2021 Filed Aug 24, 2021 20:59 UTC
EHRLICH JASONSee Remarks
Exercise / conversionCommon Stock 5,258 $10.29 $54,104.82
Disclosure

SEC source: 0001209191-21-053158 · doc4.xml · nonDerivative · entry 1

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,491

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.

Read SEC document
August 19, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 73,635 $87.61 $6,451,464.25
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 11

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,211,654

F13 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.11 to $88.10, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 19, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 2,396 $87.48 $209,607.11
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 10

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,138,019

F12 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.20 to $87.67, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 19, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 4,649 $87.07 $404,793.08
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 9

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,135,623

F11 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $86.59 to $87.45, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 19, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 2,968 $86.94 $258,033.47
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 8

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,130,974

F10 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $86.70 to $87.10, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 18, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 400 $89.66 $35,862.52
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 7

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,128,006

F9 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $89.61 to $89.73, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 18, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 1,100 $88.17 $96,981.50
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 6

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,127,606

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 18, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 8,186 $87.91 $719,659.09
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 5

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,126,506

F8 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.75 to $88.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 18, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 12,898 $87.79 $1,132,302.52
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 4

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,118,320

F7 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.52 to $88.37, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 17, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 7,764 $85.95 $667,332.88
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 3

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,105,422

F6 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $85.86 to $86.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 17, 2021 Filed Aug 19, 2021 21:12 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 400 $84.80 $33,921.00
Disclosure

SEC source: 0001638599-21-000643 · doc4_7312.xml · nonDerivative · entry 2

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,097,658

F2 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $84.69 to $84.92, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 13, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 400 $88.82 $35,526.00
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 11

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,097,258

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 13, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 16,269 $88.76 $1,444,016.92
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 10

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,096,858

F12 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $88.41 to $89.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 13, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 21,595 $88.59 $1,913,036.27
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 9

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,080,589

F11 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $88.30 to $88.90, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 6,086 $88.01 $535,634.34
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 8

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,058,994

F10 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.32 to $88.25, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 4,600 $86.44 $397,645.62
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 7

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,052,908

F9 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $86.04 to $87.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 300 $85.58 $25,674.00
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 6

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,048,308

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 22:41 UTC
PERLROTH VICTORDirector · Chairman and CEO · 10% owner
GrantStock Option (Right to Buy) · Derivative 241,000 $0.00 Strike: $88.21 $0.00
Disclosure

SEC source: 0001209191-21-051483 · doc4.xml · derivative · entry 1

PERLROTH VICTOR · CIK 0001754181 · Director · Chairman and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,000

Underlying: Common Stock · 241,000 shares

Expires 2031-08-12

F1 · derivative.exercise_date: One-forty-eighth (1/48th) of the shares vest one month after the Vesting Commencement Date (June 30, 2021); the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments measured from the first month anniversary of the Vesting Commencement Date, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 22:45 UTC
EHRLICH JASONSee Remarks
GrantRestricted Stock Units · Derivative 15,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-051487 · doc4.xml · derivative · entry 2

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of the Issuer's common stock.

F3 · derivative.exercise_date: One-fourth (1/4th) of the restricted stock units vest on each of the first four anniversaries of June 15, 2021, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

F3 · derivative.expiration_date: One-fourth (1/4th) of the restricted stock units vest on each of the first four anniversaries of June 15, 2021, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 22:45 UTC
EHRLICH JASONSee Remarks
GrantStock Option (Right to Buy) · Derivative 50,000 $0.00 Strike: $88.21 $0.00
Disclosure

SEC source: 0001209191-21-051487 · doc4.xml · derivative · entry 1

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2031-08-12

F1 · derivative.exercise_date: One-forty-eighth (1/48th) of the shares vest one month after the Vesting Commencement Date (June 30, 2021); the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments measured from the first month anniversary of the Vesting Commencement Date, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 22:44 UTC
BORGESON JOHN A.See Remarks
GrantRestricted Stock Units · Derivative 15,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-051485 · doc4.xml · derivative · entry 2

BORGESON JOHN A. · CIK 0001754045 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of the Issuer's common stock.

F3 · derivative.exercise_date: One-fourth (1/4th) of the restricted stock units vest on each of the first four anniversaries of June 15, 2021, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

F3 · derivative.expiration_date: One-fourth (1/4th) of the restricted stock units vest on each of the first four anniversaries of June 15, 2021, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

Read SEC document
August 12, 2021 Filed Aug 13, 2021 22:44 UTC
BORGESON JOHN A.See Remarks
GrantStock Option (Right to Purchase) · Derivative 50,000 $0.00 Strike: $88.21 $0.00
Disclosure

SEC source: 0001209191-21-051485 · doc4.xml · derivative · entry 1

BORGESON JOHN A. · CIK 0001754045 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2031-08-12

F1 · derivative.exercise_date: One-forty-eighth (1/48th) of the shares vest one month after the Vesting Commencement Date (June 30, 2021); the balance of the shares vest in a series of forty-seven (47) successive equal monthly installments measured from the first month anniversary of the Vesting Commencement Date, subject to the Reporting Person's status as a Service Provider (as defined in the 2018 Equity Incentive Plan) on each vesting date.

Read SEC document
August 11, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 4,500 $88.00 $395,990.10
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 5

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,048,008

F8 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $87.99 to $88.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 11, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 44,700 $86.07 $3,847,480.98
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 4

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,043,508

F7 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $85.52 to $86.45, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 11, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 600 $85.72 $51,433.74
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 3

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,998,808

F6 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $84.91 to $85.89, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
August 11, 2021 Filed Aug 13, 2021 23:14 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 3,723 $84.39 $314,185.09
Disclosure

SEC source: 0001638599-21-000619 · doc4_7306.xml · nonDerivative · entry 2

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,998,208

F2 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") in multiple transactions at prices ranging from $84.23 to $84.88, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
July 20, 2021 Filed Jul 22, 2021 20:37 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 4,716 $86.52 $408,035.39
Disclosure

SEC source: 0001209191-21-047756 · doc4.xml · nonDerivative · entry 2

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,233

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $86.09 to $86.89, inclusive.

Read SEC document
July 20, 2021 Filed Jul 22, 2021 20:37 UTC
EHRLICH JASONSee Remarks
SaleCommon Stock 2,234 $85.76 $191,588.73
Disclosure

SEC source: 0001209191-21-047756 · doc4.xml · nonDerivative · entry 1

EHRLICH JASON · CIK 0001754049 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,949

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $85.085 to $86.085, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in these footnotes.

Read SEC document
June 30, 2021 Filed Jun 30, 2021 23:29 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
GrantNon-Qualified Stock Options (right to buy) · Derivative 7,368 $0.00 Strike: $93.00 $0.00
Disclosure

SEC source: 0001638599-21-000594 · doc4_7287.xml · derivative · entry 15

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,368

Underlying: Common Stock · 7,368 shares

Expires 2031-06-29

F14 · derivative.exercise_date: 7,368 non-qualified stock options ("Stock Options") exercisable solely into Common Stock were granted under the Issuer's 2018 Equity Incentive Plan to Felix J. Baker, a managing member of the Adviser GP in his capacity as a director of the Issuer. The Stock Options with a strike price of $93.00, vest on the earlier of June 30, 2022 or one day prior to the Issuer's next annual meeting following the grant date.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

F14 · ownership.nature: 7,368 non-qualified stock options ("Stock Options") exercisable solely into Common Stock were granted under the Issuer's 2018 Equity Incentive Plan to Felix J. Baker, a managing member of the Adviser GP in his capacity as a director of the Issuer. The Stock Options with a strike price of $93.00, vest on the earlier of June 30, 2022 or one day prior to the Issuer's next annual meeting following the grant date.

F15 · ownership.nature: Felix J. Baker serves on the board of directors of the Issuer (the "Board") as a representative of the Funds. Pursuant to the policies of the Adviser, Felix J. Baker does not have any right to any of the Issuer's securities issued as part of his service on the Board and the Funds are entitled to receive all of the pecuniary interest in the securities issued. The Funds each own an indirect proportionate pecuniary interest in the Stock Options. Solely as a result of Felix J. Baker's and Julian C. Baker's ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the Stock Options and any Common Stock resulting from the exercise of Stock Options (i.e. no direct pecuniary interest).

F16 · ownership.nature: The Adviser has voting and dispositive power over the Stock Options and any Common Stock received as a result of the exercise of Stock Options.

Read SEC document
June 30, 2021 Filed Jun 30, 2021 23:29 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 121,612 $92.75 $11,279,014.39
Disclosure

SEC source: 0001638599-21-000594 · doc4_7287.xml · nonDerivative · entry 14

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,994,485

F20 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $92.01 to $93.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
June 30, 2021 Filed Jun 30, 2021 23:29 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 7,009 $91.64 $642,276.02
Disclosure

SEC source: 0001638599-21-000594 · doc4_7287.xml · nonDerivative · entry 13

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,872,873

F19 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $91.12 to $92.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
June 30, 2021 Filed Jun 30, 2021 23:29 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 22,353 $90.20 $2,016,332.25
Disclosure

SEC source: 0001638599-21-000594 · doc4_7287.xml · nonDerivative · entry 12

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,865,864

F18 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $89.93 to $90.92, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
June 30, 2021 Filed Jun 30, 2021 23:29 UTC
BAKER BROS. ADVISORS LPDirector · 10% owner
667, L.P.Director · 10% owner
Baker Bros. Advisors (GP) LLCDirector · 10% owner
Baker Brothers Life Sciences LPDirector · 10% owner
BAKER FELIXDirector · 10% owner
BAKER JULIANDirector · 10% owner
PurchaseCommon Stock 4,603 $89.74 $413,069.54
Disclosure

SEC source: 0001638599-21-000594 · doc4_7287.xml · nonDerivative · entry 11

BAKER BROS. ADVISORS LP · CIK 0001263508 · Director · 10% owner

667, L.P. · CIK 0001551139 · Director · 10% owner

Baker Bros. Advisors (GP) LLC · CIK 0001580575 · Director · 10% owner

Baker Brothers Life Sciences LP · CIK 0001363364 · Director · 10% owner

BAKER FELIX · CIK 0001087940 · Director · 10% owner

BAKER JULIAN · CIK 0001087939 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,843,511

F17 · price: The price reported in Column 4 is a weighted average price. These shares were traded by Life Sciences in multiple transactions at prices ranging from $89.39 to $89.91, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.

F3 · ownership.nature: After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I beneficially owned by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.

F4 · ownership.nature: Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.

F5 · ownership.nature: Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Read SEC document
June 30, 2021 Filed Jul 2, 2021 20:59 UTC GrantStock Option (Right to Buy) · Derivative 7,368 $0.00 Strike: $93.00 $0.00
Disclosure

SEC source: 0001209191-21-045046 · doc4.xml · derivative · entry 1

PROFUSEK ROBERT · CIK 0001143732 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,368

Underlying: Common Stock · 7,368 shares

Expires 2031-06-29

F1 · derivative.exercise_date: One hundred percent (100%) of the shares subject to the option shall vest upon the earlier of June 30, 2022 or one (1) day prior to Issuer's next annual meeting occurring after the grant date, in each case, provided the Reporting Person continues to serve as a member of the Issuer's board of directors through the applicable vesting date.

Read SEC document
June 30, 2021 Filed Jul 2, 2021 20:51 UTC GrantStock Option (Right to Buy) · Derivative 7,368 $0.00 Strike: $93.00 $0.00
Disclosure

SEC source: 0001209191-21-045028 · doc4.xml · derivative · entry 1

Bancroft Charles A · CIK 0001480250 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,368

Underlying: Common Stock · 7,368 shares

Expires 2031-06-29

F1 · derivative.exercise_date: One hundred percent (100%) of the shares subject to the option shall vest upon the earlier of June 30, 2022 or one (1) day prior to Issuer's next annual meeting occurring after the grant date, in each case, provided the Reporting Person continues to serve as a member of the Issuer's board of directors through the applicable vesting date.

Read SEC document
June 30, 2021 Filed Jul 2, 2021 21:02 UTC
Yang TaiyinDirector
GrantStock Option (Right to Buy) · Derivative 7,368 $0.00 Strike: $93.00 $0.00
Disclosure

SEC source: 0001209191-21-045064 · doc4.xml · derivative · entry 1

Yang Taiyin · CIK 0001334505 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,368

Underlying: Common Stock · 7,368 shares

Expires 2031-06-29

F1 · derivative.exercise_date: One hundred percent (100%) of the shares subject to the option shall vest upon the earlier of June 30, 2022 or one (1) day prior to Issuer's next annual meeting occurring after the grant date, in each case, provided the Reporting Person continues to serve as a member of the Issuer's board of directors through the applicable vesting date.

Read SEC document
June 30, 2021 Filed Jul 2, 2021 20:56 UTC GrantStock Option (Right to Buy) · Derivative 7,368 $0.00 Strike: $93.00 $0.00
Disclosure

SEC source: 0001209191-21-045040 · doc4.xml · derivative · entry 1

Levy Richard S · CIK 0001454983 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,368

Underlying: Common Stock · 7,368 shares

Expires 2031-06-29

F1 · derivative.exercise_date: One hundred percent (100%) of the shares subject to the option shall vest upon the earlier of June 30, 2022 or one (1) day prior to Issuer's next annual meeting occurring after the grant date, in each case, provided the Reporting Person continues to serve as a member of the Issuer's board of directors through the applicable vesting date.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.