SLDB · Solid Biosciences Inc.

Restricted stock units convert to common stock on a one-for-one basis.

Restricted stock units convert to common stock on a one-for-one basis.

The restricted stock units were granted on January 2, 2026 and vested in equal quarterly installments beginning three months from the date of grant, with the final installment vesting 12 months from the date of grant.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

Consists of options to purchase shares of the Issuer's common stock awarded to Adam Stone in connection with his role as a member of the Issuer's Board of Directors. Mr. Stone is the Chief Investment Officer of Perceptive Advisors, LLC (the "Advisor"). The Advisor may be deemed to have an indirect pecuniary interest in the options to purchase common stock of the Issuer reported herein because the Advisor has the right to receive the director compensation provided in respect of Mr. Stone's board service through a partial management fee offset.

Joseph Edelman is the managing member of the Advisor. The Advisor serves as the investment manager to Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). Each of Mr. Edelman, the Advisor and the Master Fund disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that Mr. Edelman, the Advisor or the Master Fund is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

This option was granted on June 10, 2026 and vests in full on the earlier to occur of the one-year anniversary of the grant date and immediately prior to the Issuer's next annual meeting of stockholders occurring after the grant date, and will vest automatically as to 100% of the unvested portion of such option upon specified change in control events.

Restricted stock units convert to common stock on a one-for-one basis.

The restricted stock units were granted on January 2, 2026 and vested in equal quarterly installments beginning three months from the date of grant, with the final installment vesting 12 months from the date of grant.

Restricted stock units convert to common stock on a one-for-one basis.

The terms of the Pre-Funded Warrants provide that such warrants may not be exercised if, after such exercise, the Reporting Persons would beneficially own, as determined in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, more than 9.99% of the shares of Common Stock then issued and outstanding after giving effect to such exercise (the "Beneficial Ownership Limitation"). As of the date hereof, the Beneficial Ownership Limitation does not permit the Master Fund (as defined herein) to exercise any of its Warrants.

The Pre-Funded Warrants do not expire.

The securities are directly held by Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). Perceptive Advisors LLC (the "Advisor") serves as the investment manager of Master Fund. Joseph Edelman is the managing member of the Advisor.

Each of Mr. Edelman, the Advisor, and the Master Fund disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, if any, and this report shall not be deemed an admission that any of the Reporting Persons is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Dr. Brooks on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Brooks.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Herzich on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Herzich.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Dr. Hanrahan on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Hanrahan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Tan on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Tan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Cumbo on August 18, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Cumbo.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted restricted stock units pursuant to a durable automatic sales instruction letter adopted by Ms. Ganot on September 25, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Ms. Ganot.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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 footnote (4) to this Form.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The restricted stock units were granted on February 13, 2025 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Restricted stock units convert into common stock on a one-for-one basis.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

Restricted stock units convert into common stock on a one-for-one basis.

On February 13, 2024 (the "Grant Date") Ms. Ganot was granted 19,444 restricted stock units, vesting in four equal installments on the anniversary of the Grant Date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Mr. Herzich on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Herzich.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Mr. Tan on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Tan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Dr. Hanrahan on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Hanrahan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Dr. Brooks on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Brooks.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of the previously granted restricted stock units pursuant to a durable automatic sales instruction letter adopted by Ms. Ganot on September 25, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Ms. Ganot.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Mr. Cumbo on August 18, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Cumbo.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Mr. Cumbo on August 18, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Cumbo.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Dr. Brooks on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Brooks.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Mr. Tan on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Tan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Dr. Hanrahan on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Dr. Hanrahan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Mr. Herzich on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Herzich.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, 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 footnote (4) to this Form.

Each restricted stock unit ("RSUs") converts to common stock on a one-for-one basis.

On January 31, 2025 (the "2025 Grant Date"), the reporting person was granted 132,300 RSUs, with 25% of the original number of shares vesting on each anniversary of the 2025 Grant Date until the fourth such anniversary.

Each restricted stock unit ("RSUs") converts to common stock on a one-for-one basis.