SERA

SEC source: 0002091798-26-000010 · ownership.xml · nonDerivative · entry 1

Inglis Tiffany Eul Davis · CIK 0002091798 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,565

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 $2.03 to $2.05, 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: 0001779964-26-000010 · ownership.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,566

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: 0001891299-26-000016 · 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: 0002072324-26-000010 · ownership.xml · nonDerivative · entry 1

Anderson Dyaarl Lee Jr. · CIK 0002072324 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,198

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: 0002091798-26-000008 · ownership.xml · nonDerivative · entry 1

Inglis Tiffany Eul Davis · CIK 0002091798 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,589

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: 0001883387-26-000005 · ownership.xml · derivative · entry 2

Gleason Scott · CIK 0001883387 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,624

Underlying: Class A Common Stock · 169,624 shares

Expires 2036-08-31

F2 · derivative.exercise_date: These stock options vest over four years as follows: 25% of the original grant amount vests on the first anniversary of the vesting commencement date, which is September 10, 2026, and 1/36 of the remaining amount vests in monthly installments for three years thereafter, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001883387-26-000005 · ownership.xml · nonDerivative · entry 1

Gleason Scott · CIK 0001883387 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,924

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 25% of the original grant amount vests on the first anniversary of the vesting commencement date, which is September 10, 2026, and 1/12 of the remaining amount vests in quarterly installments for three years thereafter, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001871555-26-000002 · ownership.xml · derivative · entry 4

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,477

Underlying: Class A Common Stock · 3,477 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001871555-26-000002 · ownership.xml · derivative · entry 3

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001871555-26-000002 · ownership.xml · nonDerivative · entry 2

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,691

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001871555-26-000002 · ownership.xml · nonDerivative · entry 1

Phillips Joshua · CIK 0001871555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,431

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001191080-26-000002 · ownership.xml · derivative · entry 4

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,452

Underlying: Class A Common Stock · 2,452 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001191080-26-000002 · ownership.xml · derivative · entry 3

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001191080-26-000002 · ownership.xml · nonDerivative · entry 2

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 846,886

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001191080-26-000002 · ownership.xml · nonDerivative · entry 1

CRITCHFIELD GREGORY C · CIK 0001191080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 845,292

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001306386-26-000004 · ownership.xml · derivative · entry 4

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,501

Underlying: Class A Common Stock · 3,501 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001306386-26-000004 · ownership.xml · derivative · entry 3

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001306386-26-000004 · ownership.xml · nonDerivative · entry 2

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,175

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001306386-26-000004 · ownership.xml · nonDerivative · entry 1

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,899

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001352413-26-000004 · ownership.xml · derivative · entry 4

Capone Mark Christopher · CIK 0001352413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,037

Underlying: Class A Common Stock · 3,037 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001352413-26-000004 · ownership.xml · derivative · entry 3

Capone Mark Christopher · CIK 0001352413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,766

Underlying: Class A Common Stock · 62,766 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. 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 grant date, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001352413-26-000004 · ownership.xml · nonDerivative · entry 2

Capone Mark Christopher · CIK 0001352413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,379

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001352413-26-000004 · ownership.xml · nonDerivative · entry 1

Capone Mark Christopher · CIK 0001352413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,404

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest in three annual installments beginning with July 10, 2027, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001588389-26-000002 · ownership.xml · derivative · entry 4

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,725

Underlying: Class A Common Stock · 2,725 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001588389-26-000002 · ownership.xml · derivative · entry 3

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001588389-26-000002 · ownership.xml · nonDerivative · entry 2

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,937

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001588389-26-000002 · ownership.xml · nonDerivative · entry 1

Mirza Mansoor Raza · CIK 0001588389 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,166

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001535065-26-000002 · ownership.xml · derivative · entry 4

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,263

Underlying: Class A Common Stock · 5,263 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001535065-26-000002 · ownership.xml · derivative · entry 3

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001535065-26-000002 · ownership.xml · nonDerivative · entry 2

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,420

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001535065-26-000002 · ownership.xml · nonDerivative · entry 1

Kamdar Kim P. · CIK 0001535065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,999

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001736026-26-000002 · ownership.xml · derivative · entry 4

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,998

Underlying: Class A Common Stock · 2,998 shares

Expires 2036-07-10

F4 · derivative.exercise_date: 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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001736026-26-000002 · ownership.xml · derivative · entry 3

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,494 shares

Expires 2036-07-10

F3 · derivative.exercise_date: Consists of stock options granted pursuant to the issuer'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 grant date; provided, however, that the stock options shall be fully vested on the earlier of the first anniversary of the grant date or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001736026-26-000002 · ownership.xml · nonDerivative · entry 2

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,088

F2 · shares: Each share is represented by an additional RSU granted by the Board of Directors. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0001736026-26-000002 · ownership.xml · nonDerivative · entry 1

Barlow Jane F · CIK 0001736026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,139

F1 · shares: Each share is represented by a restricted stock unit ("RSU") granted pursuant to the issuer's Non-Employee Director Compensation Policy and its 2021 Equity Incentive Plan. These RSUs vest on the earlier of July 10, 2027 or the date of the issuer's next Annual Meeting of Stockholders, subject to the Reporting Person continuing to provide services to the issuer.

SEC source: 0002091798-26-000004 · ownership.xml · nonDerivative · entry 1

Inglis Tiffany Eul Davis · CIK 0002091798 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,075

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: 0002072324-26-000006 · ownership.xml · nonDerivative · entry 1

Anderson Dyaarl Lee Jr. · CIK 0002072324 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,998

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: 0001979974-26-000008 · ownership.xml · nonDerivative · entry 1

Aerts Austin · CIK 0001979974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 301,190

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: 0001891299-26-000008 · 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: 0001779964-26-000006 · ownership.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,756

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: 0001979974-26-000004 · ownership.xml · nonDerivative · entry 1

Aerts Austin · CIK 0001979974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,227

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: 0001306386-26-000002 · ownership.xml · nonDerivative · entry 1

Lawrence Sandra AJ · CIK 0001306386 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,473

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 June 10, 2025.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.10 to $2.23, 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: 0001779964-26-000002 · ownership.xml · nonDerivative · entry 1

Jackson Benjamin · CIK 0001779964 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,935

F1 · kind: These shares were purchased pursuant to the Sera Prognostics, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of December 1, 2025 to May 29, 2026, and were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0002072324-26-000002 · ownership.xml · nonDerivative · entry 1

Anderson Dyaarl Lee Jr. · CIK 0002072324 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,737

F1 · kind: These shares were purchased pursuant to the Sera Prognostics, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of December 1, 2025 to May 29, 2026, and were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001193125-26-106590 · ownership.xml · derivative · entry 2

Inglis Tiffany Eul Davis · CIK 0002091798 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,034

Underlying: Class A Common Stock · 27,034 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: 0001193125-26-106590 · ownership.xml · nonDerivative · entry 1

Inglis Tiffany Eul Davis · CIK 0002091798 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,437

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: 0001193125-26-106593 · 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.