NRIX

SEC source: 0001209191-21-012668 · doc4.xml · nonDerivative · entry 2

van Houte Hans · CIK 0001817217 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,443

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $33.59 and the highest price at which shares were sold was $34.59. The reporting person undertakes to provide upon request to the staff of the Securities Exchange Commission, the issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5) and (6) to this Form 4.

SEC source: 0001209191-21-012668 · doc4.xml · nonDerivative · entry 1

van Houte Hans · CIK 0001817217 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,583

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

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001209191-21-010442 · doc4.xml · derivative · entry 1

SANDS ARTHUR T · CIK 0001134106 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2031-02-10

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning March 11, 2021 until the option is fully vested on February 11, 2025, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-010438 · doc4.xml · derivative · entry 1

Hansen Gwenn · CIK 0001817160 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 shares

Expires 2031-02-10

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning March 11, 2021 until the option is fully vested on February 11, 2025, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-010441 · doc4.xml · derivative · entry 1

Ring Christine · CIK 0001817199 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-02-10

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning March 11, 2021 until the option is fully vested on February 11, 2025, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-010445 · doc4.xml · derivative · entry 1

van Houte Hans · CIK 0001817217 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-02-10

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning March 11, 2021 until the option is fully vested on February 11, 2025, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-010437 · doc4.xml · derivative · entry 1

Beaurang Pierre · CIK 0001817226 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-02-10

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning March 11, 2021 until the option is fully vested on February 11, 2025, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0000899243-21-005161 · doc4.xml · nonDerivative · entry 1

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,508,333

F1 · kind: On February 4, 2021, Third Rock Ventures III, L.P. ("TRV III") distributed for no consideration, 914,216 shares of Common Stock of the Issuer (the "Shares") to its limited partners and to Third Rock Ventures GP III, L.P. ("TRV GP III"), the general partner of TRV III, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP III distributed, for no consideration, the Shares it received in the distribution by TRV III to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · price: On February 4, 2021, Third Rock Ventures III, L.P. ("TRV III") distributed for no consideration, 914,216 shares of Common Stock of the Issuer (the "Shares") to its limited partners and to Third Rock Ventures GP III, L.P. ("TRV GP III"), the general partner of TRV III, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP III distributed, for no consideration, the Shares it received in the distribution by TRV III to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are directly held by TRV III. The general partner of TRV III is TRV GP III. The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0001209191-20-060997 · doc4.xml · derivative · entry 2

Hansen Gwenn · CIK 0001817160 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,333

Underlying: Common Stock · 12,000 shares

Expires 2026-02-10

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

F1 · derivative.exercise_date: The option is fully vested.

SEC source: 0001209191-20-060997 · doc4.xml · nonDerivative · entry 1

Hansen Gwenn · CIK 0001817160 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

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

SEC source: 0001209191-20-055716 · doc4.xml · derivative · entry 1

SANDS ARTHUR T · CIK 0001134106 · Director · President, CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 804,170

Underlying: Common Stock · 804,170 shares

Expires 2030-10-20

F1 · derivative.exercise_date: The stock option vests as to 1/48 of the total shares monthly beginning August 23, 2020 until the option is fully vested on July 23, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0000899243-20-020684 · doc4.xml · derivative · entry 6

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 39,216 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0000899243-20-020684 · doc4.xml · derivative · entry 5

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,508,333 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0000899243-20-020684 · doc4.xml · derivative · entry 4

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 875,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0000899243-20-020684 · doc4.xml · nonDerivative · entry 3

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,422,549

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

F1 · price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0000899243-20-020684 · doc4.xml · nonDerivative · entry 2

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,383,333

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

F1 · price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0000899243-20-020684 · doc4.xml · nonDerivative · entry 1

Third Rock Ventures III, L.P. · CIK 0001569705 · 10% owner

Third Rock Ventures GP III, L.P. · CIK 0001637300 · 10% owner

TRV GP III, LLC · CIK 0001637299 · 10% owner

LEVIN MARK J · CIK 0001180428 · 10% owner

STARR KEVIN P · CIK 0001192603 · 10% owner

TEPPER ROBERT I · CIK 0001192595 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 875,000

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

F1 · price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are directly held by Third Rock Ventures III, L.P. ("TRV III"). The general partner of TRV III is Third Rock Ventures GP III, L.P. ("TRV GP III"). The general partner of TRV GP III is TRV GP III, LLC ("TRV GP III LLC"). The individual managers of TRV GP III LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares.

SEC source: 0001209191-20-043956 · doc4.xml · derivative · entry 4

Tjian Robert · CIK 0001817230 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a trustee of the Tjian Belcher Revocable Trust. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-20-043956 · doc4.xml · derivative · entry 3

Tjian Robert · CIK 0001817230 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 41,666 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a trustee of the Tjian Belcher Revocable Trust. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-20-043956 · doc4.xml · nonDerivative · entry 2

Tjian Robert · CIK 0001817230 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 124,999

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

F1 · price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a trustee of the Tjian Belcher Revocable Trust. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-20-043956 · doc4.xml · nonDerivative · entry 1

Tjian Robert · CIK 0001817230 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 74,999

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

F1 · price: The Series A-2 and Series B Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a trustee of the Tjian Belcher Revocable Trust. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 12

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 686,274 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F5 · ownership.direct: The securities are directly held by Ponoi Capital II, LP ("Ponoi II LP"), and indirectly held by Ponoi II Management, LLC ("Ponoi II LLC"), the general partner of Ponoi II LP. The managing partners of Ponoi II LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi II LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 11

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 686,274 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F4 · ownership.direct: The securities are directly held by Ponoi Capital, LP ("Ponoi LP"), and indirectly held by Ponoi Management, LLC ("Ponoi LLC"), the general partner of Ponoi LP. The managing partners of Ponoi LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 10

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,989,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F3 · ownership.direct: The securities are directly held by The Column Group II, LP ("TCG II LP"), and indirectly held by The Column Group II GP, LP ("TCG II GP"), the general partner of TCG II LP. The managing partners of TCG II GP are David Goeddel and Peter Svennilson. The managing partners of TCG II GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 9

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,836,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 8

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 875,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · derivative · entry 7

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 600,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 6

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 686,274

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F5 · ownership.direct: The securities are directly held by Ponoi Capital II, LP ("Ponoi II LP"), and indirectly held by Ponoi II Management, LLC ("Ponoi II LLC"), the general partner of Ponoi II LP. The managing partners of Ponoi II LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi II LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 5

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 686,274

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F4 · ownership.direct: The securities are directly held by Ponoi Capital, LP ("Ponoi LP"), and indirectly held by Ponoi Management, LLC ("Ponoi LLC"), the general partner of Ponoi LP. The managing partners of Ponoi LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 4

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,989,000

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F3 · ownership.direct: The securities are directly held by The Column Group II, LP ("TCG II LP"), and indirectly held by The Column Group II GP, LP ("TCG II GP"), the general partner of TCG II LP. The managing partners of TCG II GP are David Goeddel and Peter Svennilson. The managing partners of TCG II GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 3

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,394,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 2

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,558,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044007 · doc4.xml · nonDerivative · entry 1

COLUMN GROUP L P · CIK 0001347769 · 10% owner

COLUMN GROUP GP, LP · CIK 0001614627 · 10% owner · General Partner

COLUMN GROUP II, LP · CIK 0001600420 · 10% owner

Column Group II GP, LP · CIK 0001645333 · 10% owner · General Partner

PONOI CAPITAL, LP · CIK 0001707230 · 10% owner

Ponoi Management, LLC · CIK 0001720702 · 10% owner · General Partner

Ponoi II Management, LLC · CIK 0001746488 · 10% owner · General Partner

Ponoi Capital II, LP · CIK 0001732601 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner · Managing Partner

GOEDDEL DAVID V · CIK 0001182464 · Director · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 683,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 12

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 686,274 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F5 · ownership.direct: The securities are directly held by Ponoi Capital II, LP ("Ponoi II LP"), and indirectly held by Ponoi II Management, LLC ("Ponoi II LLC"), the general partner of Ponoi II LP. The managing partners of Ponoi II LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi II LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 11

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 686,274 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F4 · ownership.direct: The securities are directly held by Ponoi Capital, LP ("Ponoi LP"), and indirectly held by Ponoi Management, LLC ("Ponoi LLC"), the general partner of Ponoi LP. The managing partners of Ponoi LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 10

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,989,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F3 · ownership.direct: The securities are directly held by The Column Group II, LP ("TCG II LP"), and indirectly held by The Column Group II GP, LP ("TCG II GP"), the general partner of TCG II LP. The managing partners of TCG II GP are David Goeddel and Peter Svennilson. The managing partners of TCG II GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 9

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,836,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 8

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 875,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · derivative · entry 7

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 600,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.exercise_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F1 · derivative.expiration_date: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 6

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 686,274

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F5 · ownership.direct: The securities are directly held by Ponoi Capital II, LP ("Ponoi II LP"), and indirectly held by Ponoi II Management, LLC ("Ponoi II LLC"), the general partner of Ponoi II LP. The managing partners of Ponoi II LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi II LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 5

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 686,274

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F4 · ownership.direct: The securities are directly held by Ponoi Capital, LP ("Ponoi LP"), and indirectly held by Ponoi Management, LLC ("Ponoi LLC"), the general partner of Ponoi LP. The managing partners of Ponoi LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 4

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,989,000

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F3 · ownership.direct: The securities are directly held by The Column Group II, LP ("TCG II LP"), and indirectly held by The Column Group II GP, LP ("TCG II GP"), the general partner of TCG II LP. The managing partners of TCG II GP are David Goeddel and Peter Svennilson. The managing partners of TCG II GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 3

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,394,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 2

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,558,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001209191-20-044009 · doc4.xml · nonDerivative · entry 1

COLUMN GROUP L P · CIK 0001347769 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner · Managing Partner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 683,333

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

F1 · price: The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series B Preferred Stock and Series D Preferred Stock automatically converted into shares of the Issuer's common stock on a one-for-one basis immediately upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date.

F2 · ownership.direct: The securities are directly held by The Column Group, LP ("TCG LP"), and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson. The managing partners of TCG GP may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

SEC source: 0001104659-20-088459 · tm2026111-1_4.xml · derivative · entry 2

Redmile Group, LLC · CIK 0001425738 · 10% owner

Green Jeremy · CIK 0001650527 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,176,470 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.

F1 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.

F1 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.

F2 · ownership.nature: These securities are directly owned by certain private investment vehicles managed by Redmile Group, LLC ("Redmile") and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001104659-20-088459 · tm2026111-1_4.xml · nonDerivative · entry 1

Redmile Group, LLC · CIK 0001425738 · 10% owner

Green Jeremy · CIK 0001650527 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,176,470

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

F1 · price: The Series D Redeemable Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.

F2 · ownership.nature: These securities are directly owned by certain private investment vehicles managed by Redmile Group, LLC ("Redmile") and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-20-020811 · doc4.xml · derivative · entry 2

Wellington Biomedical Innovation Master Investors (Cayman) I L.P. · CIK 0001787092 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 784,313 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock automatically converted into one share of Common Stock of the Issuer. The Series D Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock automatically converted into one share of Common Stock of the Issuer. The Series D Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock automatically converted into one share of Common Stock of the Issuer. The Series D Preferred Stock had no expiration date.

SEC source: 0000899243-20-020811 · doc4.xml · nonDerivative · entry 1

Wellington Biomedical Innovation Master Investors (Cayman) I L.P. · CIK 0001787092 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 784,313

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

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series D Preferred Stock automatically converted into one share of Common Stock of the Issuer. The Series D Preferred Stock had no expiration date.