LXEO

SEC source: 0001995009-25-000003 · form4-10172025_111049.xml · nonDerivative · entry 3

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,930

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F3 · price: This transaction was executed in multiple trades at prices ranging from $9.53 to $9.59. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 · balance_after: Includes 51,092 RSUs. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.

SEC source: 0001995009-25-000003 · form4-10172025_111049.xml · nonDerivative · entry 2

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,970

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F2 · price: This transaction was executed in multiple trades at prices ranging from $8.53 to $9.52. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

SEC source: 0001994972-25-000003 · form4-10172025_111047.xml · nonDerivative · entry 3

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,261

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F3 · price: This transaction was executed in multiple trades at prices ranging from $9.53 to $9.59. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 · balance_after: Includes 60,546 RSUs. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.

SEC source: 0001994972-25-000003 · form4-10172025_111047.xml · nonDerivative · entry 2

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,299

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F2 · price: This transaction was executed in multiple trades at prices ranging from $8.53 to $9.52. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

SEC source: 0001995218-25-000005 · form4-10172025_111000.xml · nonDerivative · entry 3

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,118

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F3 · price: This transaction was executed in multiple trades at prices ranging from $9.53 to $9.59. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 · balance_after: Includes 131,092 RSUs. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.

SEC source: 0001995218-25-000005 · form4-10172025_111000.xml · nonDerivative · entry 2

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,266

F1 · kind: Represents a sale to cover tax obligations on the release of Restricted Stock Units ("RSUs").

F2 · price: This transaction was executed in multiple trades at prices ranging from $8.53 to $9.52. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

SEC source: 0002024096-25-000003 · form4-10172025_111011.xml · nonDerivative · entry 1

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,312

SEC source: 0002009350-25-000003 · form4-10172025_111028.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,750

SEC source: 0001995009-25-000003 · form4-10172025_111049.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,456

SEC source: 0001994972-25-000003 · form4-10172025_111047.xml · nonDerivative · entry 1

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,643

SEC source: 0001995218-25-000005 · form4-10172025_111000.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 255,251

SEC source: 0001995218-25-000003 · form4-09162025_050903.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 222,251

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Lexeo Therapeutics, Inc. 2023 Employee Stock Purchase Plan. This transaction is exempt under both Rule 16b-3(c) and Rule 16b-3(d).

F2 · balance_after: Includes 131,092 Restricted Stock Units.

SEC source: 0001415889-25-023491 · form4-09032025_020901.xml · derivative · entry 2

Tamayo Louis Edward · CIK 0002083206 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,000

Underlying: Common Stock · 280,000 shares

Expires 2035-08-28

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on August 15, 2026, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-023491 · form4-09032025_020901.xml · nonDerivative · entry 1

Tamayo Louis Edward · CIK 0002083206 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on August 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: The reported securities are RSUs.

SEC source: 0001415889-25-022479 · form4-08202025_090801.xml · nonDerivative · entry 1

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,372

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 49,687 RSUs.

SEC source: 0001415889-25-022468 · form4-08202025_080818.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,860

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 49,138 RSUs.

SEC source: 0001415889-25-022477 · form4-08202025_090842.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,556

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 51,092 RSUs.

SEC source: 0001415889-25-022475 · form4-08202025_090811.xml · nonDerivative · entry 1

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,073

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 60,546 RSUs.

SEC source: 0001415889-25-022473 · form4-08202025_090813.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,058

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 131,092 RSUs.

SEC source: 0001415889-25-024104 · form4a-09102025_080929.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,058

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · shares: On August 20, 2025, the reporting person filed a Form 4 which inadvertently reported the disposition of 2,735 securities. In fact, as reported in this amendment, the reporting person disposed of 1,115 shares of Common Stock on August 18, 2025.

F3 · balance_after: Includes 131,092 Restricted Stock Units.

SEC source: 0002024096-25-000005 · form4-11202025_101149.xml · nonDerivative · entry 1

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,476

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · price: This transaction was executed in multiple trades at prices ranging from $9.09 to $9.37. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 · balance_after: Includes 47,733 RSUs.

SEC source: 0001415889-25-018523 · form4-06302025_050614.xml · derivative · entry 1

Van Hauwermeiren Timothy · CIK 0001816206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,916

Underlying: Common Stock · 22,916 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018519 · form4-06302025_050604.xml · derivative · entry 1

Altschuler Steven · CIK 0001458116 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018522 · form4-06302025_050611.xml · derivative · entry 1

DIAZ REINALDO M · CIK 0001250086 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018520 · form4-06302025_050606.xml · derivative · entry 1

CHOLMONDELEY PAULA H · CIK 0001193675 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018518 · form4-06302025_050601.xml · derivative · entry 1

Agger Mette Kirstine · CIK 0001722234 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018524 · form4-06302025_050616.xml · derivative · entry 1

Tanguler Tolga · CIK 0001849458 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,583

Underlying: Common Stock · 14,583 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-018521 · form4-06302025_050609.xml · derivative · entry 1

COOPERSTONE BRENDA · CIK 0001931514 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2035-06-25

F1 · derivative.exercise_date: 100% of the shares underlying the option shall vest, and become exercisable, on the earlier of June 26, 2026, or the date of the Issuer's next annual stockholders meeting, subject to the Reporting Person's continuous service on such date.

SEC source: 0001415889-25-013816 · form4-05202025_050501.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,242

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 50,178 RSUs.

SEC source: 0001415889-25-013819 · form4-05202025_050509.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,173

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 133,827 RSUs.

SEC source: 0001415889-25-013818 · form4-05202025_050506.xml · nonDerivative · entry 1

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,681

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 62,226 RSUs.

SEC source: 0001415889-25-013817 · form4-05202025_050504.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,098

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 52,577 restricted stock units.

SEC source: 0001415889-25-009450 · form4-04012025_110414.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 222,247

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Lexeo Therapeutics, Inc. 2023 Employee Stock Purchase Plan. This transaction is exempt under both Rule 16b-3(c) and Rule 16b-3(d).

SEC source: 0001415889-25-010505 · form4-04092025_090458.xml · nonDerivative · entry 1

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,220

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Lexeo Therapeutics, Inc. 2023 Employee Stock Purchase Plan. This transaction is exempt under both Rule 16b-3(c) and Rule 16b-3(d).

F2 · balance_after: Includes 57,500 restricted stock units.

SEC source: 0001415889-25-010501 · form4-04092025_090448.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,609

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Lexeo Therapeutics, Inc. 2023 Employee Stock Purchase Plan. This transaction is exempt under both Rule 16b-3(c) and Rule 16b-3(d).

F2 · balance_after: Includes 51,218 restricted stock units.

SEC source: 0001415889-25-010503 · form4-04092025_090405.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,619

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Lexeo Therapeutics, Inc. 2023 Employee Stock Purchase Plan. This transaction is exempt under both Rule 16b-3(c) and Rule 16b-3(d).

F2 · balance_after: Includes 54,062 restricted stock units.

SEC source: 0001415889-25-005110 · form4-02212025_100238.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,889

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 51,218 RSUs.

SEC source: 0001415889-25-005109 · form4-02212025_100209.xml · nonDerivative · entry 1

Adler Eric · CIK 0001994972 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,266

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 63,906 RSUs.

SEC source: 0001415889-25-005113 · form4-02212025_100221.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,119

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 136,562 RSUs.

SEC source: 0001415889-25-005108 · form4-02212025_100240.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,899

F1 · kind: Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs").

F2 · balance_after: Includes 54,062 RSUs.

SEC source: 0001415889-25-001859 · form4-01222025_040101.xml · derivative · entry 2

Rasbach Kyle · CIK 0002050086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245,250

Underlying: Common Stock · 245,250 shares

Expires 2035-01-16

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on December 18, 2025, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-001859 · form4-01222025_040101.xml · nonDerivative · entry 1

Rasbach Kyle · CIK 0002050086 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,875

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on February 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: The reported securities are RSUs.

SEC source: 0001415889-25-001286 · form4-01102025_040108.xml · derivative · entry 2

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,500

Underlying: Common Stock · 52,500 shares

Expires 2035-01-06

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on January 7, 2026, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-001286 · form4-01102025_040108.xml · nonDerivative · entry 1

Otero Jose Manuel · CIK 0002024096 · Chief Technical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,500

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on February 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: The reported securities are RSUs.

SEC source: 0001415889-25-001284 · form4-01102025_040103.xml · derivative · entry 2

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,500

Underlying: Common Stock · 77,500 shares

Expires 2035-01-06

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on January 7, 2026, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-001284 · form4-01102025_040103.xml · nonDerivative · entry 1

See Tai Sandi · CIK 0002009350 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,375

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on February 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: The reported securities are RSUs.

SEC source: 0001415889-25-001287 · form4-01102025_040110.xml · derivative · entry 2

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,500

Underlying: Common Stock · 207,500 shares

Expires 2035-01-06

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on January 7, 2026, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-001287 · form4-01102025_040110.xml · nonDerivative · entry 1

Townsend Richard Nolan · CIK 0001995218 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 224,445

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on February 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: Includes 147,500 RSUs.

SEC source: 0001415889-25-001285 · form4-01102025_040106.xml · derivative · entry 2

Robertson Jenny · CIK 0001995009 · Chief Legal & Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,500

Underlying: Common Stock · 72,500 shares

Expires 2035-01-06

F3 · derivative.exercise_date: 25% of the shares underlying the option vest and become exercisable on January 7, 2026, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001415889-25-001285 · form4-01102025_040106.xml · nonDerivative · entry 1

Robertson Jenny · CIK 0001995009 · Chief Legal & Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

F1 · shares: The reported securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. Twenty-five percent (25%) of the RSUs shall vest on February 15, 2026, and 1/16th of the RSUs shall vest in quarterly installments thereafter on the Issuer's standard quarterly vesting dates, subject to the Reporting Person's continued service through each applicable vesting date.

F2 · balance_after: The reported securities are RSUs.