OLMA

SEC source: 0001415889-21-002957 · form4-06112021_010653.xml · nonDerivative · entry 3

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,577

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

F3 · price: The weighted average sale price for the transaction reported was $29.60, and the range of prices were between $28.81 and $29.80. Upon request from the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price will be provided.

SEC source: 0001415889-21-002957 · form4-06112021_010653.xml · nonDerivative · entry 2

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,741

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

F2 · price: The weighted average sale price for the transaction reported was $28.30, and the range of prices were between $27.79 and $28.63. Upon request from the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price will be provided.

SEC source: 0001415889-21-002957 · form4-06112021_010653.xml · nonDerivative · entry 1

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,041

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: 0001415889-21-002923 · form4-06102021_030600.xml · derivative · entry 1

RAPPAPORT ANDREW · CIK 0001162157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002927 · form4-06102021_030608.xml · derivative · entry 1

Horning Sandra · CIK 0001638709 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002925 · form4-06102021_030639.xml · derivative · entry 1

BUTITTA CYNTHIA M · CIK 0001222082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002928 · form4-06102021_030602.xml · derivative · entry 1

CLARK IAN T · CIK 0001336504 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002926 · form4-06102021_030659.xml · derivative · entry 1

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002929 · form4-06102021_030646.xml · derivative · entry 1

Hrustanovic Gorjan · CIK 0001821194 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002924 · form4-06102021_030654.xml · derivative · entry 1

Larson Yi · CIK 0001785987 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-06-08

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 12 successive equal monthly installments measured from June 9, 2021, subject to the Reporting Person's continuous service through each applicable vesting date. Such shares vest in full on the date of the Issuer's next annual meeting of stockholders if such stock option is not otherwise fully vested by such date, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-002578 · form4-05192021_050534.xml · derivative · entry 4

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 194,297

Underlying: Common Stock · 57,763 shares

Expires 2030-06-09

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

F5 · derivative.exercise_date: The shares subject to the option vest in a series of 48 successive equal monthly installments measured from June 10, 2020, subject to the Reporting Person's continuous service through each applicable vesting date.

SEC source: 0001415889-21-002578 · form4-05192021_050534.xml · nonDerivative · entry 3

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,790

F2 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person.

F4 · price: The weighted average sale price for the transaction reported was $24.81, and the range of prices were between $24.52 and $25.23. Upon request from the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price will be provided.

SEC source: 0001415889-21-002578 · form4-05192021_050534.xml · nonDerivative · entry 2

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,411

F2 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person.

F3 · price: The weighted average sale price for the transaction reported was $24.03, and the range of prices were between $23.51 and $24.50. Upon request from the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price will be provided.

SEC source: 0001415889-21-002578 · form4-05192021_050534.xml · nonDerivative · entry 1

Horn Kinney · CIK 0001831215 · CHIEF BUSINESS OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,553

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 · balance_after: Includes 1,790 shares acquired under the issuer's Employee Stock Purchase Plan on May 14, 2021.

SEC source: 0001415889-21-001923 · form4-04062021_040412.xml · derivative · entry 2

Larson Yi · CIK 0001785987 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,773

Underlying: Common Stock · 3,773 shares

Expires 2031-04-04

F2 · derivative.exercise_date: The shares subject to the option vest in full on the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service through such vesting date.

SEC source: 0001415889-21-001923 · form4-04062021_040412.xml · derivative · entry 1

Larson Yi · CIK 0001785987 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,520

Underlying: Common Stock · 21,520 shares

Expires 2031-04-04

F1 · derivative.exercise_date: The shares subject to the option vest in a series of 36 successive equal monthly installments measured from April 5, 2021, subject to the Reporting Person's continuous service through each applicable vesting date.

SEC source: 0000921895-21-001502 · form407422010_05262021.xml · nonDerivative · entry 4

BVF PARTNERS L P/IL · CIK 0001055947 · Director · 10% owner

BIOTECHNOLOGY VALUE FUND L P · CIK 0000918923 · See Explanation of Responses

BVF I GP LLC · CIK 0001803805 · See Explanation of Responses

BIOTECHNOLOGY VALUE FUND II LP · CIK 0001102444 · See Explanation of Responses

BVF II GP LLC · CIK 0001803806 · See Explanation of Responses

Biotechnology Value Trading Fund OS LP · CIK 0001660683 · See Explanation of Responses

BVF Partners OS Ltd. · CIK 0001660684 · See Explanation of Responses

BVF GP HOLDINGS LLC · CIK 0001803809 · 10% owner

BVF INC/IL · CIK 0001056807 · 10% owner

LAMPERT MARK N · CIK 0001233840 · 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: 99,556

F1 · security: This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group that beneficially owns over 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F6 · kind: Securities held in a certain Partners managed account (the "Partners Managed Account"). This Form 4 is being filed solely to report that Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because as of March 31, 2021 the securities account for more than 10% of the market value of the portfolio. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

F6 · price: Securities held in a certain Partners managed account (the "Partners Managed Account"). This Form 4 is being filed solely to report that Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because as of March 31, 2021 the securities account for more than 10% of the market value of the portfolio. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

F6 · ownership.direct: Securities held in a certain Partners managed account (the "Partners Managed Account"). This Form 4 is being filed solely to report that Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because as of March 31, 2021 the securities account for more than 10% of the market value of the portfolio. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

F6 · ownership.nature: Securities held in a certain Partners managed account (the "Partners Managed Account"). This Form 4 is being filed solely to report that Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because as of March 31, 2021 the securities account for more than 10% of the market value of the portfolio. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

SEC source: 0001209191-21-021112 · doc4.xml · derivative · entry 1

Horn Kinney · CIK 0001831215 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-03-14

F1 · derivative.exercise_date: 25% of the shares subject to the option vest on March 15, 2022 and 1/48 of the total number of shares subject to the option vest each month thereafter, subject to the Reporting Person's continuous service through each applicable vesting date.

SEC source: 0001209191-21-021109 · doc4.xml · derivative · entry 1

Bohen Sean · CIK 0001831218 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2031-03-14

F1 · derivative.exercise_date: 25% of the shares subject to the option vest on March 15, 2022 and 1/48 of the total number of shares subject to the option vest each month thereafter, subject to the Reporting Person's continuous service through each applicable vesting date.

SEC source: 0001209191-20-059973 · doc4.xml · derivative · entry 4

Kushner Peter J. · CIK 0001831217 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 130,159 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059973 · doc4.xml · derivative · entry 3

Kushner Peter J. · CIK 0001831217 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 228,761 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059973 · doc4.xml · nonDerivative · entry 2

Kushner Peter J. · CIK 0001831217 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,431,672

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059973 · doc4.xml · nonDerivative · entry 1

Kushner Peter J. · CIK 0001831217 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,301,513

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059978 · doc4.xml · derivative · entry 4

RAPPAPORT ANDREW · CIK 0001162157 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 129,833 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by SPW Investments LLC ("SPWI"). Skyline Public Works, LLC, of which the Reporting Person is a managing member, is the general partner of SPWI.

SEC source: 0001209191-20-059978 · doc4.xml · derivative · entry 3

RAPPAPORT ANDREW · CIK 0001162157 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 318,723 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by SPW Investments LLC ("SPWI"). Skyline Public Works, LLC, of which the Reporting Person is a managing member, is the general partner of SPWI.

SEC source: 0001209191-20-059978 · doc4.xml · nonDerivative · entry 2

RAPPAPORT ANDREW · CIK 0001162157 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 481,014

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by SPW Investments LLC ("SPWI"). Skyline Public Works, LLC, of which the Reporting Person is a managing member, is the general partner of SPWI.

SEC source: 0001209191-20-059978 · doc4.xml · nonDerivative · entry 1

RAPPAPORT ANDREW · CIK 0001162157 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 351,181

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by SPW Investments LLC ("SPWI"). Skyline Public Works, LLC, of which the Reporting Person is a managing member, is the general partner of SPWI.

SEC source: 0001567619-20-020222 · doc1.xml · derivative · entry 4

Cormorant Asset Management, LP · CIK 0001583977 · Former 10% Owner

Chen Bihua · CIK 0001599214 · Director · 10% owner

Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner

Cormorant Private Healthcare Fund II, LP · CIK 0001747677 · 10% owner

Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 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: 0

Underlying: Common Stock · 723,177 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: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · price: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund II, LP ("Fund II"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund II, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.

F6 · ownership.nature: The Series C Convertible Preferred Stock represented, on an as-converted basis, (i) 126,122 shares held by the Master Fund, (ii) 587,871 shares held by Fund III, and (iii) 9,184 shares held by the Account.

SEC source: 0001567619-20-020222 · doc1.xml · derivative · entry 3

Cormorant Asset Management, LP · CIK 0001583977 · Former 10% Owner

Chen Bihua · CIK 0001599214 · Director · 10% owner

Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner

Cormorant Private Healthcare Fund II, LP · CIK 0001747677 · 10% owner

Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 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: 0

Underlying: Common Stock · 2,122,367 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: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · price: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund II, LP ("Fund II"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund II, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.

F5 · ownership.nature: The Series B Convertible Preferred Stock represented, on an as-converted basis, (i) 412,342 shares held by the Master Fund, (ii) 1,684,920 shares held by Fund II, and (iii) 25,105 shares held by the Account.

SEC source: 0001567619-20-020222 · doc1.xml · nonDerivative · entry 2

Cormorant Asset Management, LP · CIK 0001583977 · Former 10% Owner

Chen Bihua · CIK 0001599214 · Director · 10% owner

Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner

Cormorant Private Healthcare Fund II, LP · CIK 0001747677 · 10% owner

Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 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: 3,270,544

F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund II, LP ("Fund II"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund II, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.

F4 · ownership.nature: Shares reported herein as purchased on November 23, 2020 represent (i) 404,940 shares purchased by the Master Fund, and (ii) 20,060 shares purchased by the Account.

SEC source: 0001567619-20-020222 · doc1.xml · nonDerivative · entry 1

Cormorant Asset Management, LP · CIK 0001583977 · Former 10% Owner

Chen Bihua · CIK 0001599214 · Director · 10% owner

Cormorant Global Healthcare Master Fund, LP · CIK 0001618442 · 10% owner

Cormorant Private Healthcare Fund II, LP · CIK 0001747677 · 10% owner

Cormorant Private Healthcare Fund III LP · CIK 0001817320 · 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: 2,845,544

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: Shares of Series B and Series C Convertible Preferred Stock were convertible at any time at the holder's election, without payment of additional consideration. Such shares had no expiration date but converted into Common Stock automatically upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares reported herein are held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), Cormorant Private Healthcare Fund II, LP ("Fund II"), Cormorant Private Healthcare Fund III, LP (the "Fund III"), and a managed account (the "Account"). Cormorant Asset Management, LP ("Cormorant") serves as the investment manager of the Master Fund, Fund II, Fund III, and the Account. Bihua Chen serves as manager of the general partner of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.

F3 · ownership.nature: Represents (i) 538,464 shares of Common Stock held by the Master Fund, (ii) 1,684,920 shares of Common Stock held by Fund II, (iii) 587,871 shares of Common Stock held by Fund III, and (iv) 34,289 shares of Common Stock held by the Account.

SEC source: 0001209191-20-059974 · doc4.xml · derivative · entry 4

MCCORMICK FRANK · CIK 0001257809 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 66,326 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by the Francis P. McCormick Revocable Trust dated January 27, 2017, of which the Reporting Person is trustee.

SEC source: 0001209191-20-059974 · doc4.xml · derivative · entry 3

MCCORMICK FRANK · CIK 0001257809 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 152,891 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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059974 · doc4.xml · nonDerivative · entry 2

MCCORMICK FRANK · CIK 0001257809 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 84,260

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by the Francis P. McCormick Revocable Trust dated January 27, 2017, of which the Reporting Person is trustee.

SEC source: 0001209191-20-059974 · doc4.xml · nonDerivative · entry 1

MCCORMICK FRANK · CIK 0001257809 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,113

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 shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock and Series A-1 Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059979 · doc4.xml · derivative · entry 5

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,183,114 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 shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F3 · ownership.nature: The shares are held by Logos Opportunities Fund II, L.P. ("Logos Fund II"). Logos Opportunities GP is the general partner of Logos Fund II and the Reporting Person is a managing member of Logos Opportunities GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001209191-20-059979 · doc4.xml · derivative · entry 4

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,400,761 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 shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by Logos Opportunities Fund I L.P. ("Logos Fund I"). Logos Opportunities GP, LLC ("Logos Opportunities GP") is the general partner of Logos Fund I and the Reporting Person is a managing member of Logos Opportunities GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001209191-20-059979 · doc4.xml · nonDerivative · entry 3

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,160,000

F4 · ownership.nature: The shares are held by Logos Global Master Fund LP ("Logos Master Fund"). Logos GP LLC ("Logos GP") is the general partner of Logos Master Fund and the Reporting Person is a managing member of Logos GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001209191-20-059979 · doc4.xml · nonDerivative · entry 2

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,183,114

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 shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F3 · ownership.nature: The shares are held by Logos Opportunities Fund II, L.P. ("Logos Fund II"). Logos Opportunities GP is the general partner of Logos Fund II and the Reporting Person is a managing member of Logos Opportunities GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001209191-20-059979 · doc4.xml · nonDerivative · entry 1

Graham G. Walmsley · CIK 0001777517 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,400,761

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 shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock and Series C Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by Logos Opportunities Fund I L.P. ("Logos Fund I"). Logos Opportunities GP, LLC ("Logos Opportunities GP") is the general partner of Logos Fund I and the Reporting Person is a managing member of Logos Opportunities GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001209191-20-059971 · doc4.xml · derivative · entry 4

Harmon Cyrus · CIK 0001831410 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 122,028 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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by the Harmon Family Investors LLC, of which the Reporting Person is the manager.

SEC source: 0001209191-20-059971 · doc4.xml · derivative · entry 3

Harmon Cyrus · CIK 0001831410 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 71,374 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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059971 · doc4.xml · nonDerivative · entry 2

Harmon Cyrus · CIK 0001831410 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 122,028

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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.direct: The shares are held by the Harmon Family Investors LLC, of which the Reporting Person is the manager.

SEC source: 0001209191-20-059971 · doc4.xml · nonDerivative · entry 1

Harmon Cyrus · CIK 0001831410 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,111,546

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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

SEC source: 0001209191-20-059976 · doc4.xml · derivative · entry 5

Myles David C. · CIK 0001831216 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 154,846 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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F3 · ownership.nature: The shares are held by Myles Properties Inc., of which the Reporting Person is President.

SEC source: 0001209191-20-059976 · doc4.xml · derivative · entry 4

Myles David C. · CIK 0001831216 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 12,831 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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · price: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.exercise_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F1 · derivative.expiration_date: The shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by The Myles Family Revocable Inter Vivos Trust, of which the Reporting Person is trustee.

SEC source: 0001209191-20-059976 · doc4.xml · nonDerivative · entry 2

Myles David C. · CIK 0001831216 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 154,846

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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F3 · ownership.nature: The shares are held by Myles Properties Inc., of which the Reporting Person is President.

SEC source: 0001209191-20-059976 · doc4.xml · nonDerivative · entry 1

Myles David C. · CIK 0001831216 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,831

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 shares of Series A Convertible Preferred Stock were convertible into Common Stock on a 1:1 basis and had no expiration date. Immediately upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock.

F2 · ownership.nature: The shares are held by The Myles Family Revocable Inter Vivos Trust, of which the Reporting Person is trustee.

SEC source: 0000899243-20-032050 · doc4.xml · derivative · entry 4

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 · 451,986 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: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.

SEC source: 0000899243-20-032050 · doc4.xml · derivative · entry 3

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 · 1,273,420 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: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into one share of the Issuer's Common Stock. Each of the Series B Preferred Stock and Series C Preferred Stock had no expiration date.