ANAB

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 8

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 7

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 6

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2034-01-02

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 5

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2034-01-02

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 4

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

Underlying: Common Stock · 10,600 shares

Expires 2033-09-14

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 3

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

Underlying: Common Stock · 10,600 shares

Expires 2033-09-14

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 2

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,311

Underlying: Common Stock · 3,311 shares

Expires 2033-09-14

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001477384-26-000005 · form4-04222026_100442.xml · derivative · entry 1

Orwin John A · CIK 0001477384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,311

Underlying: Common Stock · 3,311 shares

Expires 2033-09-14

F1 · 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 AnaptysBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 20

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,500

Underlying: Common Stock · 5,500 shares

Expires 2036-01-06

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · 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: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 19

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,500

Underlying: Common Stock · 5,500 shares

Expires 2036-01-06

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F3 · 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: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 18

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 17

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2035-01-06

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 16

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2034-01-02

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 15

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,510

Underlying: Common Stock · 16,510 shares

Expires 2034-01-02

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 14

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

Underlying: Common Stock · 10,600 shares

Expires 2033-01-05

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 13

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,600

Underlying: Common Stock · 10,600 shares

Expires 2033-01-05

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 12

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,200

Underlying: Common Stock · 9,200 shares

Expires 2032-02-09

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 11

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,200

Underlying: Common Stock · 9,200 shares

Expires 2032-02-09

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 10

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2031-02-09

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 9

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2031-02-09

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 8

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2030-02-11

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 7

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Common Stock · 11,000 shares

Expires 2030-02-11

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 6

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-02-07

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 5

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-02-07

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 4

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2028-02-01

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 3

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2028-02-01

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 2

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2027-02-23

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001187333-26-000002 · form4-04222026_100427.xml · derivative · entry 1

RENTON HOLLINGS · CIK 0001187333 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2027-02-23

F1 · 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 AnaptyBio shares of common stock in an amount determined in accordance with the Separation Agreement.

F2 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001673528-26-000012 · form4a-04232026_100429.xml · derivative · entry 1

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

F1 · derivative.exercise_date: The stock option is fully vested and exercisable.

SEC source: 0001478916-26-000004 · form4-04022026_010407.xml · nonDerivative · entry 3

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,622

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.21 to $57.92 per share, 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.

SEC source: 0001478916-26-000004 · form4-04022026_010407.xml · nonDerivative · entry 2

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,144

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.20 to $57.19 per share, 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.

SEC source: 0001478916-26-000004 · form4-04022026_010407.xml · nonDerivative · entry 1

Schmid John P. · CIK 0001478916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,671

F1 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.20 to $56.11 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 11

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 495,965

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 10

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 496,065

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.785 to $65.61 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 9

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 499,103

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.71 to $64.64 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 8

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 502,258

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.71 to $63.685 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 7

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 504,850

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.66 to $62.65 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 6

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 505,862

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.405 to $61.05 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 5

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,412

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.29 to $60.08 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 4

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,902

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.29 to $59.275 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 3

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 510,564

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.29 to $58.21 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 2

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 513,134

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of PSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.285 to $57.215 per share, 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.

SEC source: 0001673528-26-000007 · form4-03282026_120340.xml · nonDerivative · entry 1

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 513,644

F1 · shares: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 25, 2026.

F2 · price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

SEC source: 0001711462-26-000012 · form4-08072026_090818.xml · derivative · entry 1

Lizzul Paul F. · CIK 0001711462 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,667

Underlying: Common Stock · 16,667 shares

Expires not disclosed

F1 · security: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 12, 2026.

F2 · derivative.exercise_price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

F3 · derivative.expiration_date: The PSUs vest and settle over two years; 50% vests on March 12, 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

SEC source: 0001673528-26-000016 · form4-08072026_090814.xml · derivative · entry 1

Faga Daniel · CIK 0001673528 · Director · President, CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,334

Underlying: Common Stock · 53,334 shares

Expires not disclosed

F1 · security: Represents performance-based restricted stock units ("PSUs") that were earned by the Reporting Person upon the achievement of certain performance criteria as certified by the Compensation Committee of the Issuer's Board of Directors on March 12, 2026.

F2 · derivative.exercise_price: Each PSU represents a conditional right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: The PSUs vest and settle over two years; 50% vests on March 12 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

F3 · derivative.expiration_date: The PSUs vest and settle over two years; 50% vests on March 12 2027 and 50% vests on March 12, 2028, subject to the continuing service of the Reporting Person on each vesting date.

SEC source: 0001239648-26-000007 · form4-02132026_040201.xml · derivative · entry 3

LOUMEAU ERIC J · CIK 0001239648 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Common Stock · 10,000 shares

Expires 2031-02-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option is fully vested.

F3 · balance_after: In addition to the options to purchase a total of 35,000 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 436,010 shares of common stock, which options vest according to their terms.

SEC source: 0001239648-26-000007 · form4-02132026_040201.xml · nonDerivative · entry 2

LOUMEAU ERIC J · CIK 0001239648 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,835

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person dated April 11, 2025.

SEC source: 0001239648-26-000007 · form4-02132026_040201.xml · nonDerivative · entry 1

LOUMEAU ERIC J · CIK 0001239648 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,835

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001631486-26-000002 · form4-01162026_010101.xml · derivative · entry 4

Marquet Magda · CIK 0001631486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,000 shares

Expires 2031-01-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F4 · balance_after: In addition to the options to purchase shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 70,104 shares of common stock, which options vest according to their terms.

SEC source: 0001631486-26-000002 · form4-01162026_010101.xml · nonDerivative · entry 3

Marquet Magda · CIK 0001631486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,930

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.625 to $48.88 per share, 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.