TRAX

SEC source: 0001477384-26-000009 · form4a-06122026_080638.xml · derivative · entry 1

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001184627-26-000006 · form4a-06122026_080633.xml · derivative · entry 2

FENTON DENNIS M · CIK 0001184627 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires 2036-05-11

F3 · derivative.exercise_date: The stock option vests as to 1/12 of the total shares monthly commencing on June 12, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001184627-26-000006 · form4a-06122026_080633.xml · derivative · entry 1

FENTON DENNIS M · CIK 0001184627 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001631486-26-000007 · form4a-06122026_080618.xml · derivative · entry 2

Marquet Magda · CIK 0001631486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires 2036-05-11

F3 · derivative.exercise_date: The stock option vests as to 1/12 of the total shares monthly commencing on June 12, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001631486-26-000007 · form4a-06122026_080618.xml · derivative · entry 1

Marquet Magda · CIK 0001631486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001707797-26-000009 · form4a-06122026_080656.xml · derivative · entry 2

Jain Rita · CIK 0001707797 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires 2036-05-11

F3 · derivative.exercise_date: The stock option vests as to 1/12 of the total shares monthly commencing on June 12, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001707797-26-000009 · form4a-06122026_080656.xml · derivative · entry 1

Jain Rita · CIK 0001707797 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001855684-26-000007 · form4-04232026_100450.xml · derivative · entry 4

Tamboli Ajim · CIK 0001855684 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,234

Underlying: Common Stock · 41,234 shares

Expires 2036-04-22

F3 · derivative.exercise_date: The stock option vests as to 25% of the total shares on April 20, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001855684-26-000007 · form4-04232026_100450.xml · derivative · entry 3

Tamboli Ajim · CIK 0001855684 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,233

Underlying: Common Stock · 41,233 shares

Expires 2036-04-21

F3 · derivative.exercise_date: The stock option vests as to 25% of the total shares on April 20, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001855684-26-000007 · form4-04232026_100450.xml · derivative · entry 2

Tamboli Ajim · CIK 0001855684 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,233

Underlying: Common Stock · 41,233 shares

Expires 2036-04-20

F3 · derivative.exercise_date: The stock option vests as to 25% of the total shares on April 20, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001855684-26-000007 · form4-04232026_100450.xml · derivative · entry 1

Tamboli Ajim · CIK 0001855684 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,700

Underlying: Common Stock · 45,700 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · derivative.exercise_date: 1/4 of the RSUs shall vest on April 20, 2027 and 1/4th of the RSUs shall vest in equal annual installments until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F2 · derivative.expiration_date: 1/4 of the RSUs shall vest on April 20, 2027 and 1/4th of the RSUs shall vest in equal annual installments until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 12

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,400

Underlying: Common Stock · 21,400 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F12 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F12 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 11

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,575

Underlying: Common Stock · 25,575 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F11 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F11 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 10

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,110

Underlying: Common Stock · 21,110 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F10 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 9

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,145

Underlying: Common Stock · 6,145 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F8 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F9 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F9 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 8

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,000

Underlying: Common Stock · 29,000 shares

Expires 2036-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F6 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 6, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 7

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,200

Underlying: Common Stock · 97,200 shares

Expires 2035-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F5 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 7, 2026, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 6

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,540

Underlying: Common Stock · 115,540 shares

Expires 2034-01-02

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F4 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 3, 2025, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 5

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,070

Underlying: Common Stock · 67,070 shares

Expires 2033-01-05

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 4

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,000

Underlying: Common Stock · 70,000 shares

Expires 2032-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 3

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 45,000 shares

Expires 2031-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001711462-26-000009 · form4-04222026_040419.xml · derivative · entry 2

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,500

Underlying: Common Stock · 83,500 shares

Expires 2030-07-29

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 14

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 4,000 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F6 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F8 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 13

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,030

Underlying: Common Stock · 6,030 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F6 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F7 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2026 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F7 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2026 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 12

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,500

Underlying: Common Stock · 5,500 shares

Expires 2036-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F4 · derivative.exercise_date: The stock option vests as to 1/12 of the total shares monthly commencing on February 6, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 11

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 10

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2034-01-02

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 9

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

Underlying: Common Stock · 10,600 shares

Expires 2033-01-05

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 8

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,200

Underlying: Common Stock · 9,200 shares

Expires 2032-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 7

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2031-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 6

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2030-02-11

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 5

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-02-07

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 4

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2028-02-01

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 3

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,694

Underlying: Common Stock · 10,694 shares

Expires 2027-08-21

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001715429-26-000003 · form4-04222026_040417.xml · derivative · entry 2

Ware J. Anthony · CIK 0001715429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,571

Underlying: Common Stock · 28,571 shares

Expires 2027-08-21

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 12

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,600

Underlying: Common Stock · 98,600 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F9 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding restricted stock unit ("RSU") with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSUs with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F13 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F13 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2027 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 11

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,512

Underlying: Common Stock · 80,512 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F9 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding restricted stock unit ("RSU") with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSUs with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F12 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F12 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 7, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 10

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,355

Underlying: Common Stock · 69,355 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F9 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding restricted stock unit ("RSU") with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSUs with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F11 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F11 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 3, 2025 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 9

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,850

Underlying: Common Stock · 17,850 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F9 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding restricted stock unit ("RSU") with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSUs with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F10 · derivative.exercise_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F10 · derivative.expiration_date: The RSUs vests as to 25% of the total RSUs annually commencing on January 6, 2024 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 8

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 133,400

Underlying: Common Stock · 133,400 shares

Expires 2036-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F7 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 6, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 7

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 305,500

Underlying: Common Stock · 305,500 shares

Expires 2035-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F6 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 7, 2026, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 6

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,620

Underlying: Common Stock · 379,620 shares

Expires 2034-01-02

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F5 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 3, 2025, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 5

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,900

Underlying: Common Stock · 194,900 shares

Expires 2033-01-05

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F4 · derivative.exercise_date: The stock option vests as to 25% of the total shares on January 6, 2024, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 4

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,200

Underlying: Common Stock · 9,200 shares

Expires 2032-02-09

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 3

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,321

Underlying: Common Stock · 2,321 shares

Expires 2031-11-25

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001673528-26-000010 · form4-04222026_040401.xml · derivative · entry 2

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2031-11-25

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001478916-26-000005 · form4-04222026_040415.xml · derivative · entry 13

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 4,000 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F6 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F8 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F8 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001478916-26-000005 · form4-04222026_040415.xml · derivative · entry 12

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,030

Underlying: Common Stock · 6,030 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F6 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation Agreement, each outstanding RSU with respect to AnaptysBio shares of common stock was adjusted so that such RSU became an RSU with respect to First Tracks shares of common stock and an RSU with respect to AnaptysBio's shares of common stock. As a result, the Reporting Person acquired RSU s with respect to First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F7 · derivative.exercise_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2026 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

F7 · derivative.expiration_date: The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2026 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001478916-26-000005 · form4-04222026_040415.xml · derivative · entry 11

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,500

Underlying: Common Stock · 5,500 shares

Expires 2036-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F4 · derivative.exercise_date: The stock option vests as to 1/12 of the total shares monthly commencing on February 6, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001478916-26-000005 · form4-04222026_040415.xml · derivative · entry 10

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F2 · kind: Effective as of a pro rata distribution by AnaptysBio to holders of its shares of common stock pursuant to the Separation and Distribution Agreement dated as of April 20, 2026, by and between AnaptysBio and First Tracks (the "Separation Agreement"), each outstanding option to acquire AnaptysBio shares of common stock was adjusted so that such option became an option to acquire First Tracks shares of common stock and an option to acquire AnaptysBio shares of common stock. As a result, the Reporting Person acquired options to acquire First Tracks shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · derivative.exercise_date: The stock option is fully vested and exercisable.