BSLK · Bolt Projects Holdings, Inc.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The sale reported on this Form 4 represents shares sold to cover taxes in connection with the vesting and settlement of restricted stock units.

Represents restricted stock units awarded to the Reporting Person pursuant to the Issuer's equity incentive plan. The restricted stock units are fully vested at the date of grant.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.18 to $3.35 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.

Excludes 1,600 shares of the Issuer's common stock, which were inadvertently included in the Reporting Person's Form 4 filed on May 30, 2025 (the "Prior Form 4") as having been purchased. The Reporting Person's Prior Form 4 inadvertently reported an incorrect amount of securities beneficially owned following the reported transaction, which has been corrected in this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.80 to $3.84 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.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) August 29, 2026.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $3.2600 to $3.4700, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $2.1000 to $2.2000, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $2.0600 to $2.1800, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $3.035 to $3.355, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) July 11, 2026.

Represents an award of restricted stock units ("RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) July 11, 2026.

Represents an award of RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in three equal annual installments commencing on July 11, 2026.

Represents an award of RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in three equal annual installments commencing on July 11, 2026.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $3.15 to $3.80, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $2.95 to $3.41, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $5.25 to $5.29, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $5.645 to $5.71, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.50 to $5.83 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.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $6.05 to $6.11, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.05 to $6.12 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.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $6.30 to $6.56, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $6.70 to $6.79, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

Represents restricted stock units awarded to the Reporting Person pursuant to the Issuer's equity incentive plan. The restricted stock units are fully vested at the date of grant.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option is fully vested and exercisable.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

The option is fully vested and exercisable.

The option vests and becomes exercisable as to one-twelfth (1/12th) of the shares of the Issuer's common stock subject to the option on each quarterly anniversary of the grant date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in three equal annual installments commencing on February 20, 2026.

Represents an award of restricted stock units RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs will vest in full on the earlier of (1) the date of the Issuer's next annual meeting of stockholders and (2) February 20, 2026.

The price reported is a weighted average price of the shares sold. These shares were sold in multiple transactions at prices ranging from $0.80 to $ 0.8106, inclusive. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

The two transactions reported in Table II above involved the exchange of outstanding warrants to reduce the exercise price from $11.50 to $0.50 per share, among other changes, pursuant to the exchange agreement, dated February 14, 2025, between the Issuer and the Reporting Person. The exchange is reported above as the cancellation of the old warrants and the acquisition of a new warrant.

The securities are held directly by the Reporting Person. The Reporting Person is controlled by Timothy Babich, Jacob Doft, Lance Hirt and Andrew Rechtschaffen. Accordingly, Messrs. Babich, Doft, Hirt and Rechtschaffen share voting and dispositive power over these securities held by the Reporting Person and may be deemed to beneficially own such shares. Each of Messrs. Babich, Doft, Hirt and Rechtschaffen disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.