KRRO

SEC source: 0001030575-26-000014 · form4-09152026_040901.xml · nonDerivative · entry 4

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 132,650

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.59 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000014 · form4-09152026_040901.xml · nonDerivative · entry 3

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 640,610

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.59 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000014 · form4-09152026_040901.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 139,252

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.02 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000014 · form4-09152026_040901.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 672,498

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.02 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001193125-26-390556 · ownership.xml · nonDerivative · entry 1

Dolan Oliver · CIK 0002053835 · Senior Vice President, Finance

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,241

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2026.

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $13.51 to $13.85, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 16,241 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,741 shares that will vest on December 15, 2026, 2,750 shares that will vest on July 15, 2027, and 2,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001193125-26-387852 · ownership.xml · nonDerivative · entry 2

Dolan Oliver · CIK 0002053835 · Senior Vice President, Finance

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,246

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2026.

F4 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $13.52 to $13.76, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 16,241 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,741 shares that will vest on December 15, 2026, 2,750 shares that will vest on July 15, 2027, and 2,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001193125-26-387852 · ownership.xml · nonDerivative · entry 1

Dolan Oliver · CIK 0002053835 · Senior Vice President, Finance

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,252

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2026.

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $13.50 to $13.595, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 16,241 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,741 shares that will vest on December 15, 2026, 2,750 shares that will vest on July 15, 2027, and 2,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001030575-26-000012 · form4-08282026_040801.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 141,002

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.955 to $13.98 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000012 · form4-08282026_040801.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 680,948

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.955 to $13.98 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000010 · form4-08212026_080856.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 141,053

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.15 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000010 · form4-08212026_080856.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 681,197

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.15 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000008 · form4-08132026_090834.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 145,937

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000008 · form4-08132026_090834.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 704,781

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the range set forth in this footnote.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0000902664-26-003434 · ownership.xml · nonDerivative · entry 2

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,544,980

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.11 to $13.50 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F1 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

SEC source: 0000902664-26-003434 · ownership.xml · nonDerivative · entry 1

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,543,518

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.39 to $11.40 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F1 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

SEC source: 0001193125-26-335041 · ownership.xml · nonDerivative · entry 1

Aiyar Ram · CIK 0001997920 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,046

F1 · kind: Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.57 to $11.055, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 20,000 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on February 1, 2027 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.

SEC source: 0001193125-26-306742 · ownership.xml · nonDerivative · entry 1

Dolan Oliver · CIK 0002053835 · Senior Vice President, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,599

F1 · shares: Represents shares of common stock issuable upon settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that will vest as follows: 50% on July 15, 2027 and 50% on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

F2 · balance_after: Includes 16,241 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,741 shares that will vest on December 15, 2026, 2,750 shares that will vest on July 15, 2027, and 2,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001193125-26-306739 · ownership.xml · nonDerivative · entry 1

Cerio Jeffrey · CIK 0002033618 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,793

F1 · shares: Represents shares of common stock issuable upon settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that will vest as follows: 50% on July 15, 2027 and 50% on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

F2 · balance_after: Includes 27,451 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 20,951 shares that will vest on December 15, 2026, 3,250 shares that will vest on July 15, 2027, and 3,250 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001193125-26-306743 · ownership.xml · nonDerivative · entry 1

Vincent Loic A · CIK 0002063400 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,797

F1 · shares: Represents shares of common stock issuable upon settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that will vest as follows: 50% on July 15, 2027 and 50% on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

F2 · balance_after: Includes 18,358 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,858 shares that will vest on December 15, 2026, 3,750 shares that will vest on July 15, 2027, and 3,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001193125-26-306733 · ownership.xml · nonDerivative · entry 1

Chappell Todd · CIK 0001997992 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,464

F1 · shares: Represents shares of common stock issuable upon settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that will vest as follows: 50% on July 15, 2027 and 50% on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

F2 · balance_after: Includes 17,566 shares of common stock issuable upon settlement of restricted stock units (RSUs) that remain unvested, consisting of 10,066 shares that will vest on December 15, 2026, 3,750 shares that will vest on July 15, 2027, and 3,750 shares that will vest on July 15, 2028, in each case subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through each such date.

SEC source: 0001030575-26-000006 · form4-07072026_100726.xml · nonDerivative · entry 4

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 146,305

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.05 inclusive.

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000006 · form4-07072026_100726.xml · nonDerivative · entry 3

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 706,556

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.05 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000006 · form4-07072026_100726.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 154,811

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.16 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the ranges set forth in footnotes (2) and (5).

F4 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000006 · form4-07072026_100726.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 707,373

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.16 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the ranges set forth in footnotes (2) and (5).

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 8

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 169,556

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.97 to $15.10 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 7

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 169,670

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.88 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 6

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 793,328

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.97 to $15.10 inclusive.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 5

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 793,994

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.88 inclusive.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 4

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 176,649

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the ranges set forth in footnotes (4), (5) and (6).

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 3

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 834,673

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.95 to $14.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the ranges set forth in footnotes (4), (5) and (6).

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 194,075

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000004 · form4-06252026_120611.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 936,252

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001193125-26-274136 · ownership.xml · nonDerivative · entry 1

Dolan Oliver · CIK 0002053835 · Senior Vice President, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,099

F1 · kind: Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.58 to $11.35, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 10,741 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on December 15, 2026 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.

SEC source: 0001193125-26-274143 · ownership.xml · nonDerivative · entry 1

Cerio Jeffrey · CIK 0002033618 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,293

F1 · kind: Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.58 to $11.35, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 20,951 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on December 15, 2026 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.

SEC source: 0001193125-26-274171 · ownership.xml · nonDerivative · entry 1

Chappell Todd · CIK 0001997992 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,964

F1 · kind: Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.58 to $11.35, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 10,066 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on December 15, 2026 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.

SEC source: 0001193125-26-274156 · ownership.xml · nonDerivative · entry 1

Vincent Loic A · CIK 0002063400 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,297

F1 · kind: Represents the mandatory sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a restricted stock unit (RSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan).

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $10.58 to $11.35, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 10,858 shares of common stock issuable upon settlement of a RSU granted under the 2023 Plan that will vest on December 15, 2026 subject to the reporting person maintaining a continuous Service Relationship (as defined in the 2023 Plan) through such date.

SEC source: 0001193125-26-267996 · ownership.xml · derivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-268012 · ownership.xml · derivative · entry 1

Meyers Rachel · CIK 0002001472 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-268006 · ownership.xml · derivative · entry 1

Bermingham Nessan · CIK 0001377759 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-267993 · ownership.xml · derivative · entry 1

PEARSON TIMOTHY R · CIK 0001528617 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-268018 · ownership.xml · derivative · entry 1

Behbahani Ali · CIK 0001613867 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-268001 · ownership.xml · derivative · entry 1

Knobil Katharine · CIK 0001768011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,677

Underlying: Common Stock · 14,677 shares

Expires 2036-06-09

F1 · derivative.exercise_date: The shares subject to the option vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next annual meeting of stockholders, subject to continued service as a non-employee director through the applicable vesting date.

SEC source: 0001193125-26-252460 · ownership.xml · nonDerivative · entry 1

Aiyar Ram · CIK 0001997920 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,848

F1 · kind: Represents the sale of shares of common stock solely to satisfy tax withholding obligations incurred upon vesting and settlement of a performance stock unit.

F2 · price: The price reported in Column 4 is a weighted-average price. The shares were sold in multiple transactions at prices ranging from $12.62 to $13.245, inclusive. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission upon request.

F3 · balance_after: Includes 40,000 shares of common stock issuable upon settlement of a restricted stock unit granted under the 2023 Plan as reported on Form 4 dated February 3, 2026.

SEC source: 0001030575-26-000002 · form4-06012026_050601.xml · nonDerivative · entry 2

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 194,655

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F3 · ownership.nature: These shares are held directly by Atlas Venture Opportunity Fund II, L.P. ("AVOF II"). Atlas Venture Associates Opportunity II, L.P. ("AVAO II LP") is the general partner of AVOF II. Atlas Venture Associates Opportunity II, LLC ("AVAO II LLC") is the general partner of AVAO II LP. The Reporting Person is a member of AVAO II LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001030575-26-000002 · form4-06012026_050601.xml · nonDerivative · entry 1

FORMELA JEAN FRANCOIS · CIK 0001030575 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 939,634

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 8, 2026.

F2 · ownership.nature: These shares are held directly by Atlas Venture Fund XI, L.P. ("Atlas XI"). Atlas Venture Associates XI, L.P. ("AVA XI LP") is the general partner of Atlas XI. Atlas Venture Associates XI, LLC ("AVA XI LLC") is the general partner of AVA XI LP. The Reporting Person is a member of AVA XI LLC and disclaims Section 16 beneficial ownership of such shares, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001193125-26-245491 · ownership.xml · nonDerivative · entry 1

Aiyar Ram · CIK 0001997920 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,000

F1 · security: Represents shares of common stock issued upon settlement and vesting of a performance stock unit (PSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that vested and settled upon achievement of the performance condition on May 26, 2026.

F1 · shares: Represents shares of common stock issued upon settlement and vesting of a performance stock unit (PSU) granted under the Issuer's 2023 Stock Option and Incentive Plan (the 2023 Plan) that vested and settled upon achievement of the performance condition on May 26, 2026.

F2 · balance_after: Includes 40,000 shares of common stock issuable upon settlement of a restricted stock unit granted under the 2023 Plan as reported on Form 4 dated February 3, 2026.

SEC source: 0000902664-26-001845 · ownership.xml · nonDerivative · entry 1

Lynx1 Capital Management LP · CIK 0001910456 · 10% owner

Nichols Weston · CIK 0001746376 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,538,296

F1 · ownership.nature: The securities to which this filing relates are held directly by Lynx1 Master Fund LP to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

SEC source: 0001193125-26-104721 · ownership.xml · derivative · entry 2

Yang Rick · CIK 0001851328 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note 2

Disclosed balance after: 242,945

Underlying: Common Stock · 242,945 shares

Expires not disclosed

F1 · kind: Acquired from the Issuer on March 10, 2026 pursuant to a Subscription Agreement dated March 9, 2026.

F3 · derivative.exercise_date: The Pre-Funded Warrants are exercisable at any time after their issuance; provided, however, that the Pre-Funded Warrants may not be exercised to the extent such exercise would cause the number of shares of the Issuer's Common Stock owned by the holder (together with its affiliates and certain other related parties) to exceed 9.99% of the total number of shares of the Issuer's Common Stock immediately after giving effect to such exercise, which percentage may be increased or decreased at the option of the holder upon 61 days' prior notice to the Issuer, not to exceed 19.99%.

F3 · derivative.expiration_date: The Pre-Funded Warrants are exercisable at any time after their issuance; provided, however, that the Pre-Funded Warrants may not be exercised to the extent such exercise would cause the number of shares of the Issuer's Common Stock owned by the holder (together with its affiliates and certain other related parties) to exceed 9.99% of the total number of shares of the Issuer's Common Stock immediately after giving effect to such exercise, which percentage may be increased or decreased at the option of the holder upon 61 days' prior notice to the Issuer, not to exceed 19.99%.

F2 · ownership.nature: The Reporting Person is a manager of NEA 17 GP, LLC, which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest.

SEC source: 0001193125-26-104721 · ownership.xml · nonDerivative · entry 1

Yang Rick · CIK 0001851328 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note 2

Disclosed balance after: 1,297,893

F1 · kind: Acquired from the Issuer on March 10, 2026 pursuant to a Subscription Agreement dated March 9, 2026.

F2 · ownership.nature: The Reporting Person is a manager of NEA 17 GP, LLC, which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest.

SEC source: 0001193125-26-104719 · ownership.xml · derivative · entry 2

New Enterprise Associates 17, L.P. · CIK 0001768564 · 10% owner

NEA Partners 17, L.P. · CIK 0001796820 · 10% owner

NEA 17 GP, LLC · CIK 0001796821 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,945

Underlying: Common Stock · 242,945 shares

Expires not disclosed

F1 · kind: Acquired from the Issuer on March 10, 2026 pursuant to a Subscription Agreement dated March 9, 2026.

F3 · derivative.exercise_date: The Pre-Funded Warrants are exercisable at any time after their issuance; provided, however, that the Pre-Funded Warrants may not be exercised to the extent such exercise would cause the number of shares of the Issuer's Common Stock owned by the holder (together with its affiliates and certain other related parties) to exceed 9.99% of the total number of shares of the Issuer's Common Stock immediately after giving effect to such exercise, which percentage may be increased or decreased at the option of the holder upon 61 days' prior notice to the Issuer, not to exceed 19.99%.

F3 · derivative.expiration_date: The Pre-Funded Warrants are exercisable at any time after their issuance; provided, however, that the Pre-Funded Warrants may not be exercised to the extent such exercise would cause the number of shares of the Issuer's Common Stock owned by the holder (together with its affiliates and certain other related parties) to exceed 9.99% of the total number of shares of the Issuer's Common Stock immediately after giving effect to such exercise, which percentage may be increased or decreased at the option of the holder upon 61 days' prior notice to the Issuer, not to exceed 19.99%.

F2 · ownership.direct: The securities are directly held by New Enterprise Associates 17, L.P. ("NEA 17") and are indirectly held by NEA Partners 17, L.P. ("NEA Partners 17"), the sole general partner of NEA 17, NEA 17 GP, LLC ("NEA 17 GP"), the sole general partner of NEA Partners 17, and the individual managers of NEA 17 GP (NEA Partners 17, NEA 17 GP and the individual managers of NEA 17 GP (collectively, the "Managers") together, the "Indirect Reporting Persons"). The Mangers are Forest Baskett, Ali Behbahani, Carmen Chang, Anthony Florence, Jr., Mohamad Makhzoumi, Edward Mathers, Scott Sandell, Paul Walker and Rick Yang. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Indirect Reporting Persons have no pecuniary interest.