Lindgardt Zhenya

SEC source: 0001891299-26-000016 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837,848

F1 · shares: 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 $2.00 to $2.03, 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: 0001891299-26-000012 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 844,870

F1 · shares: 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 $2.00 to $2.03, 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: 0001891299-26-000008 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 865,009

F1 · shares: 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 $1.87 to $2.12, 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: 0001891299-26-000004 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 871,999

F1 · shares: 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 $1.96 to $2.21, 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: 0001193125-26-106593 · ownership.xml · derivative · entry 2

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,442

Underlying: Class A Common Stock · 239,442 shares

Expires 2036-03-12

F2 · derivative.exercise_date: These stock options vest over four years as follows: 1/48 of the original grant amount vests in monthly installments for four years following the vesting commencement date, which is March 10, 2026, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001193125-26-106593 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 892,754

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 1/16 of the original grant amount vests in quarterly installments for four years following the vesting commencement date, which is March 10, 2026, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001193125-26-104710 · ownership.xml · nonDerivative · entry 2

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 738,314

F1 · shares: 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.

F3 · 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 $1.90 to $2.30, 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: 0001193125-26-104710 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 741,287

F1 · shares: 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 $1.77 to $2.36, 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: 0001193125-25-316503 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 763,926

F1 · shares: 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 $3.28 to $3.38, 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: 0001193125-25-314613 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 768,081

F1 · shares: 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 $2.91 to $3.10, 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: 0001193125-25-277711 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 796,296

F1 · shares: 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 $2.30 to $3.04, 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: 0000950170-25-114579 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 807,890

F1 · shares: 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 $3.05 to $3.24, 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 with regard to the block trade.

SEC source: 0001891299-25-000010 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 811,136

F1 · shares: 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 $3.00 to $3.33, 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: 0001891299-25-000006 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 832,294

F1 · shares: 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 $2.28 to $2.73, 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: 0000950170-25-085020 · ownership.xml · nonDerivative · entry 2

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 840,865

F1 · shares: 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.

F3 · 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 $1.45 to $1.51, 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: 0000950170-25-085020 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 844,209

F1 · shares: 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 $1.37 to $1.51, 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: 0000950170-25-068393 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 867,251

F1 · shares: 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 $2.10 to $2.78, 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: 0000950170-25-036528 · ownership.xml · nonDerivative · entry 2

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 876,657

F2 · shares: 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.

F3 · 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 $4.02 to $4.33, 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: 0000950170-25-036528 · ownership.xml · derivative · entry 3

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,380

Underlying: Class A Common Stock · 181,380 shares

Expires 2035-03-06

F4 · derivative.exercise_date: These stock options vest over four years as follows: 1/48 of the original grant amount vests in monthly installments for four years following the vesting commencement date, which is March 10, 2025, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0000950170-25-036528 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 906,379

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 1/16 of the original grant amount vests in quarterly installments for four years following the vesting commencement date, which is March 10, 2025, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0000950170-25-021198 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 779,459

F1 · shares: 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 $4.14 to $5.09, 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: 0000950170-24-135835 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 793,534

F1 · shares: 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 $7.11 to $8.15, 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: 0000950170-24-125650 · ownership.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 819,758

F1 · shares: 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 $6.30 to $8.74, 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: 0001534969-24-000187 · wk-form4_1726001696.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 831,833

F1 · shares: 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 $7.11 to $7.80, 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: 0001534969-24-000163 · wk-form4_1723150225.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 856,918

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 $6.94 to $7.58, 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: 0001534969-24-000140 · wk-form4_1718139022.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 869,245

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 $7.59 to $8.44, 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: 0001534969-24-000065 · 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: 0001534969-24-000008 · wk-form4_1707342978.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 947,003

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: 0001534969-23-000115 · wk-form4_1699478200.xml · nonDerivative · entry 2

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 975,000

F2 · shares: 2. Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over two years as follows: 1/8 of the original grant amount vests in quarterly installments for two years following the grant date, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-23-000115 · wk-form4_1699478200.xml · nonDerivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 800,000

F1 · shares: 1. Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 1/16 of the original grant amount vests in quarterly installments for four years following the grant date, subject to the reporting person continuing to provide services to the issuer.

SEC source: 0001534969-22-000088 · wf-form4_165454912552594.xml · derivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,675

Underlying: Class A Common Stock · 149,675 shares

Expires 2032-06-03

F1 · 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 3, 2022.

SEC source: 0001534969-21-000019 · wf-form4_163649303517227.xml · derivative · entry 1

Lindgardt Zhenya · CIK 0001891299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,325

Underlying: Class A Common Stock · 38,325 shares

Expires 2031-11-08

F1 · derivative.exercise_date: These stock options vest over three years as follows: 1/36 of the original grant amount vests in monthly installments for three years following the vesting commencement date, which is November 8, 2021.