SERA

SEC source: 0001534969-24-000136 · wk-form4_1717792347.xml · derivative · entry 2

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000136 · wk-form4_1717792347.xml · nonDerivative · entry 1

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 807,270

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000134 · wk-form4_1717792323.xml · derivative · entry 2

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000134 · wk-form4_1717792323.xml · nonDerivative · entry 1

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,117

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000135 · wk-form4_1717792336.xml · derivative · entry 2

Trimble Ryan · CIK 0001871513 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000135 · wk-form4_1717792336.xml · nonDerivative · entry 1

Trimble Ryan · CIK 0001871513 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,117

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000133 · wk-form4_1717792311.xml · derivative · entry 2

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000133 · wk-form4_1717792311.xml · nonDerivative · entry 1

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,746

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000132 · wk-form4_1717792300.xml · derivative · entry 2

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000132 · wk-form4_1717792300.xml · nonDerivative · entry 1

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,117

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000131 · wk-form4_1717792288.xml · derivative · entry 2

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,549

Underlying: Class A Common Stock · 10,549 shares

Expires 2034-06-06

F2 · derivative.exercise_date: Consists of stock options granted pursuant to Sera Prognostics, Inc.'s Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These stock options vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000131 · wk-form4_1717792288.xml · nonDerivative · entry 1

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,117

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over one year as follows: 1/12 of the original grant amount vests in monthly installments for one year following the vesting commencement date, which is June 6, 2024, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 7

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Catalyst Health Ventures Follow-on Fund, L.P.

Disclosed balance after: 8

F9 · kind: CHV FO distributed these shares to its limited partners on a pro rata basis, for no consideration.

F2 · ownership.nature: CHV GP LLC is the general partner of CHV LP and Catalyst Health Ventures (PF), L.P. ("CHV PF"). CHV I GP LLC (formerly known as "CHV III GP LLC") is the general partner of CHV Investments LLC ("CHV Investments") and Catalyst Health Ventures Follow-on Fund, L.P. ("CHV FO", together with CHV LP, CHV PF and CHV Investments, the "CHV Funds"). Joshua Phillips, a member of the Issuer's board of directors, is a managing member of CHV GP LLC and CHV I GP LLC, and a limited partner of CHV PF, CHV Investments, CHV GP LLC, and CHV I GP LLC. The securities held by the CHV Funds may be deemed to be beneficially owned by Joshua Phillips. Joshua Phillips disclaims beneficial ownership of these securities except to the extent of his pecuniary benefit therein.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 6

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,292

F7 · kind: Represents the pro-rata distribution from CHV Investments, and not a purchase or sale, without additional consideration.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 5

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Trust

Disclosed balance after: 2,297

F7 · kind: Represents the pro-rata distribution from CHV Investments, and not a purchase or sale, without additional consideration.

F8 · ownership.nature: The shares are held by a living trust, of which the reporting person is a trustee and in which the reporting person has a beneficial interest.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 4

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by CHV Investments, LLC

Disclosed balance after: 17,684

F6 · kind: CHV Investments distributed these shares to its limited members on a pro rata basis, for no consideration.

F2 · ownership.nature: CHV GP LLC is the general partner of CHV LP and Catalyst Health Ventures (PF), L.P. ("CHV PF"). CHV I GP LLC (formerly known as "CHV III GP LLC") is the general partner of CHV Investments LLC ("CHV Investments") and Catalyst Health Ventures Follow-on Fund, L.P. ("CHV FO", together with CHV LP, CHV PF and CHV Investments, the "CHV Funds"). Joshua Phillips, a member of the Issuer's board of directors, is a managing member of CHV GP LLC and CHV I GP LLC, and a limited partner of CHV PF, CHV Investments, CHV GP LLC, and CHV I GP LLC. The securities held by the CHV Funds may be deemed to be beneficially owned by Joshua Phillips. Joshua Phillips disclaims beneficial ownership of these securities except to the extent of his pecuniary benefit therein.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 3

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,258

F4 · kind: Represents the pro-rata distribution from CHV PF, and not a purchase or sale, without additional consideration.

F5 · balance_after: Includes 25,815 shares received as a pro-rata distribution from CHV LP and 1,970 shares received as a pro-rata distribution from CHV PF. In prior reports, the reporting person reported beneficial ownership of 388,622 shares held directly by CHV LP and 166,098 shares held directly by CHV PF.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 2

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Catalyst Health Ventures (PF), L.P.

Disclosed balance after: 9,766

F3 · kind: CHV PF distributed these shares to its limited partners on a pro rata basis, for no consideration.

F2 · ownership.nature: CHV GP LLC is the general partner of CHV LP and Catalyst Health Ventures (PF), L.P. ("CHV PF"). CHV I GP LLC (formerly known as "CHV III GP LLC") is the general partner of CHV Investments LLC ("CHV Investments") and Catalyst Health Ventures Follow-on Fund, L.P. ("CHV FO", together with CHV LP, CHV PF and CHV Investments, the "CHV Funds"). Joshua Phillips, a member of the Issuer's board of directors, is a managing member of CHV GP LLC and CHV I GP LLC, and a limited partner of CHV PF, CHV Investments, CHV GP LLC, and CHV I GP LLC. The securities held by the CHV Funds may be deemed to be beneficially owned by Joshua Phillips. Joshua Phillips disclaims beneficial ownership of these securities except to the extent of his pecuniary benefit therein.

SEC source: 0001534969-24-000119 · wk-form4_1717634111.xml · nonDerivative · entry 1

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Catalyst Health Ventures, L.P.

Disclosed balance after: 6,753

F1 · kind: Catalyst Health Ventures, L.P. ("CHV LP") distributed these shares to its limited partners on a pro rata basis, for no consideration.

F2 · ownership.nature: CHV GP LLC is the general partner of CHV LP and Catalyst Health Ventures (PF), L.P. ("CHV PF"). CHV I GP LLC (formerly known as "CHV III GP LLC") is the general partner of CHV Investments LLC ("CHV Investments") and Catalyst Health Ventures Follow-on Fund, L.P. ("CHV FO", together with CHV LP, CHV PF and CHV Investments, the "CHV Funds"). Joshua Phillips, a member of the Issuer's board of directors, is a managing member of CHV GP LLC and CHV I GP LLC, and a limited partner of CHV PF, CHV Investments, CHV GP LLC, and CHV I GP LLC. The securities held by the CHV Funds may be deemed to be beneficially owned by Joshua Phillips. Joshua Phillips disclaims beneficial ownership of these securities except to the extent of his pecuniary benefit therein.

SEC source: 0001534969-24-000120 · wk-form4_1717634121.xml · nonDerivative · entry 2

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,153

F3 · kind: Pro rata distribution from Catalyst Health Ventures (PF) L.P., of which the Reporting Person is a non-managing member.

SEC source: 0001534969-24-000120 · wk-form4_1717634121.xml · nonDerivative · entry 1

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,140

F1 · kind: Pro rata distribution from Catalyst Health Ventures, L.P., of which the Reporting Person is a non-managing member.

F2 · balance_after: The Reporting Person purchased 5,000 shares of Class A Common Stock pursuant to the Sera Prognostics, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of December 1, 2022 to May 31, 2023.

SEC source: 0001534969-24-000114 · wk-form4_1715811775.xml · nonDerivative · entry 1

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,300

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.12 to $8.38, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000111 · wk-form4_1715728567.xml · derivative · entry 2

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 44,646 shares

Expires 2024-08-20

F1 · price: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest immediately and were granted in exchange for the Reporting Person's agreement to cancel the stock options represented in Table II of this Form 4.

F2 · derivative.exercise_date: The shares subject to this canceled option were fully vested and exercisable.

SEC source: 0001534969-24-000111 · wk-form4_1715728567.xml · nonDerivative · entry 1

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,687

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest immediately and were granted in exchange for the Reporting Person's agreement to cancel the stock options represented in Table II of this Form 4.

SEC source: 0001534969-24-000092 · wk-form4_1715377248.xml · nonDerivative · entry 1

Harrison Robert Gardner · CIK 0001421563 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,795

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000097 · wk-form4_1715377313.xml · nonDerivative · entry 1

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,833

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000096 · wk-form4_1715377301.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,869

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000094 · wk-form4_1715377273.xml · nonDerivative · entry 1

Aerts Austin · CIK 0001979974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,896

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000095 · wk-form4_1715377287.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,277

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000093 · wk-form4_1715377260.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896,112

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $9.14 to $10.55, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · derivative · entry 7

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 24,474 shares

Expires 2024-12-29

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

F4 · derivative.exercise_date: The shares subject to this option are fully vested and exercisable.

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · nonDerivative · entry 5

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 139,771

F1 · kind: The transaction(s) reported on this Form 4 was/were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.58 to $9.24, inclusive. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · nonDerivative · entry 4

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 164,245

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: 0001534969-24-000073 · wk-form4_1711662978.xml · derivative · entry 6

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,474

Underlying: Class A Common Stock · 48,909 shares

Expires 2024-12-29

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

F4 · derivative.exercise_date: The shares subject to this option are fully vested and exercisable.

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · nonDerivative · entry 3

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 139,771

F1 · kind: The transaction(s) reported on this Form 4 was/were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2023.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.06 to $9.85, inclusive. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · nonDerivative · entry 2

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 188,680

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

SEC source: 0001534969-24-000073 · wk-form4_1711662978.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 139,771

F1 · kind: The transaction(s) reported on this Form 4 was/were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2023.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.06 to $9.85, inclusive. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001534969-24-000065 · wk-form4_1711497606.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 908,104

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.86, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000064 · wk-form4_1711497592.xml · nonDerivative · entry 1

Aerts Austin · CIK 0001979974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 322,488

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.86, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000061 · wk-form4_1711489091.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,524

F1 · kind: The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2023.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.17 to $9.83, inclusive. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001534969-24-000059 · wk-form4_1711484417.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,962

F1 · kind: The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2023.

SEC source: 0001534969-24-000032 · wk-form4_1709846139.xml · nonDerivative · entry 1

Harrison Robert Gardner · CIK 0001421563 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,697

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.45, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000035 · wk-form4_1709846184.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,125

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.45, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000034 · wk-form4_1709846171.xml · nonDerivative · entry 1

Aerts Austin · CIK 0001979974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,580

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.45, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000033 · wk-form4_1709846158.xml · nonDerivative · entry 1

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,038

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.45, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000031 · wk-form4_1709846125.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,179

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.78 to $9.45, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000009 · wk-form4_1707342992.xml · nonDerivative · entry 1

Harrison Robert Gardner · CIK 0001421563 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147,835

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.00 to $8.11, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000012 · wk-form4_1707343032.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,035

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.00 to $8.11, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000011 · wk-form4_1707343015.xml · nonDerivative · entry 1

Boniface John J. · CIK 0001870674 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,789

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.00 to $8.11, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.

SEC source: 0001534969-24-000010 · wk-form4_1707343003.xml · nonDerivative · entry 1

Kearney Paul · CIK 0001888075 · Chief Data Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,066

F1 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by "sell to cover" transactions and does not represent a discretionary transaction by the Reporting Person.

F2 · price: The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $8.00 to $8.11, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price with regard to the block trade.