| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| O'CALLAGHAN BRIAN | Director | C/O BOLT BIOTHERAPEUTICS, INC., 900 CHESAPEAKE DRIVE, REDWOOD CITY | /s/ William P. Quinn, Attorney-in-Fact | 16 Dec 2025 | 0001415015 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,393 | 1,393 | 12 Dec 2025 | Common Stock | 1,393 | $5.44 | Direct | F1, F2 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,393 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,393 | $180.20 | Direct | F1, F2 | ||
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,810 | 1,810 | 12 Dec 2025 | Common Stock | 1,810 | $5.44 | Direct | F1, F3 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,810 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,810 | $60.60 | Direct | F1, F3 | ||
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,250 | 1,250 | 12 Dec 2025 | Common Stock | 1,250 | $5.44 | Direct | F1, F4 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,250 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,250 | $39.80 | Direct | F1, F4 | ||
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,250 | 1,250 | 12 Dec 2025 | Common Stock | 1,250 | $5.44 | Direct | F1, F5 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,250 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,250 | $32.60 | Direct | F1, F5 | ||
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,100 | 1,100 | 12 Dec 2025 | Common Stock | 1,100 | $5.44 | Direct | F1, F6 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,100 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,100 | $15.36 | Direct | F1, F6 | ||
| transaction | BOLT | Director Stock Option (Right to Buy) | Award | +1,100 | 1,100 | 12 Dec 2025 | Common Stock | 1,100 | $5.44 | Direct | F7, F8 | |||
| transaction | BOLT | Director Stock Option (Right to Buy) | Disposed to Issuer | -1,100 | -100% | 0 | 12 Dec 2025 | Common Stock | 1,100 | $6.40 | Direct | F7, F8 |
| Id | Content |
|---|---|
| F1 | The option is fully vested and exercisable. |
| F2 | The reporting person agreed to cancellation of an option granted on November 17, 2021, in exchange for a new option having a lower exercise price. |
| F3 | The reporting person agreed to cancellation of an option granted on March 24, 2022, in exchange for a new option having a lower exercise price. |
| F4 | The reporting person agreed to cancellation of an option granted on June 10, 2022, 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, 2023, in exchange for a new option having a lower exercise price. |
| F6 | 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. |
| F7 | 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. |
| F8 | 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. |