BOLT · Bolt Biotherapeutics, Inc. · Insider Trading

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.15 to $3.41. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.15 to $3.41. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.15 to $3.41. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.22 to $3.67. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.22 to $3.67. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.22 to $3.67. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.60 to $4.14. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.60 to $4.14. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Represents weighted average sales price. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the restricted stock units granted on October 22, 2025. The shares were sold at prices ranging from $3.60 to $4.14. The Reporting Person will provide upon request, to the Securities and Exchange Commission (the "SEC"), the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

The shares subject to the option will vest on the earlier of June 9, 2027 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.

The shares subject to the option will vest on the earlier of June 9, 2027 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.

The shares subject to the option will vest on the earlier of June 9, 2027 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.

The shares subject to the option will vest on the earlier of June 9, 2027 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.

The shares subject to the option will vest on the earlier of June 9, 2027 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.

These shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under Rule 16b-3(c).

These shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under Rule 16b-3(c).

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2026.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2026.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2026.

The reporting person agreed to cancellation of an option granted on July 23, 2024, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following July 15, 2024.

The reporting person agreed to cancellation of an option granted on September 3, 2024, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

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.

The option is fully vested and exercisable.

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.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on January 18, 2017, in exchange for a new option having a lower price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on July 23, 2024, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following July 15, 2024.

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.

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.

The reporting person agreed to cancellation of an option granted on May 1, 2025, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2025.

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.

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.

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.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on May 1, 2025, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2025.

The reporting person agreed to cancellation of an option granted on February 18, 2022, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on December 14, 2021, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on July 23, 2024, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following July 15, 2024.

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.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on February 18, 2022, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on January 11, 2019, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on September 3, 2020, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on December 22, 2021, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on March 4, 2024, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2024.

The reporting person agreed to cancellation of an option granted on March 4, 2024, in exchange for a new option having a lower exercise price.

For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2024.

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.

The option is fully vested and exercisable.

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.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on February 18, 2022, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agree to cancellation of an option granted on January 17, 2018, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

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.

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.

The reporting person agree to cancellation of an option granted on January 17, 2018, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on February 4, 2021, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.

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.

The option is fully vested and exercisable.

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.

The option is fully vested and exercisable.

The reporting person agreed to cancellation of an option granted on February 18, 2022, in exchange for a new option having a lower exercise price.

The option is fully vested and exercisable.