Berner Laura 4

4 · Bolt Biotherapeutics, Inc. · Filed Dec 16, 2025

Form 4

Period: 2025-12-12

Director

Transactions

Award
Director Stock Option (Right to Buy)
2025-12-12+2,500→ 2,500 total
Exercise: $5.44Exp: 2032-12-13→ Common Stock (2,500 underlying)
Disposition to Issuer
Director Stock Option (Right to Buy)
2025-12-12−2,500→ 0 total
Exercise: $27.20Exp: 2032-12-13→ Common Stock (2,500 underlying)
Award
Director Stock Option (Right to Buy)
2025-12-12+613→ 613 total
Exercise: $5.44Exp: 2032-12-13→ Common Stock (613 underlying)
Disposition to Issuer
Director Stock Option (Right to Buy)
2025-12-12−613→ 0 total
Exercise: $27.20Exp: 2032-12-13→ Common Stock (613 underlying)
Award
Director Stock Option (Right to Buy)
2025-12-12+1,250→ 1,250 total
Exercise: $5.44Exp: 2033-06-11→ Common Stock (1,250 underlying)
Disposition to Issuer
Director Stock Option (Right to Buy)
2025-12-12−1,250→ 0 total
Exercise: $32.60Exp: 2033-06-11→ Common Stock (1,250 underlying)
Award
Director Stock Option (Right to Buy)
2025-12-12+1,100→ 1,100 total
Exercise: $5.44Exp: 2034-06-11→ Common Stock (1,100 underlying)
Disposition to Issuer
Director Stock Option (Right to Buy)
2025-12-12−1,100→ 0 total
Exercise: $15.36Exp: 2034-06-11→ Common Stock (1,100 underlying)

Footnotes (7)

[F1]The shares subject to this option shall vest in equal monthly installments, at a rate of 1/36th of the total number of shares on each monthly anniversary of December 14, 2022 (the "Vesting Commencement Date") for so long as the Reporting Person provides continuous service to the Issuer, such that the total number of shares shall be fully vested on the three-year anniversary of the Vesting Commencement Date; provided, however that the option will vest in full upon a change in control of the Issuer.
[F2]The reporting person agreed to cancellation of an option granted on December 14, 2022, in exchange for a new option having a lower exercise price.
[F3]The option is fully vested and exercisable.
[F4]The reporting person agreed to cancellation of an option granted on June 12, 2023, in exchange for a new option having a lower exercise price.
[F5]The reporting person agreed to cancellation of an option granted on June 12, 2024, in exchange for a new option having a lower exercise price.
[F6]The shares subject to the option will vest on the earlier of May 27, 2026 or the day immediately prior to the next annual meeting of stockholders, subject to the Reporting Person's continuous service through such date; provided, however that the option will vest in full upon a change in control of the Issuer.
[F7]The reporting person agreed to cancellation of an option granted on May 27, 2025, in exchange for a new option having a lower exercise price.

Documents

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