| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ganot Ilan | Director | C/O SOLID BIOSCIENCES INC., 500 RUTHERFORD AVENUE, THIRD FLOOR, CHARLESTOWN | /s/ David Tyronne Howton as attorney-in-fact for Ilan Ganot | 13 Nov 2025 | 0001727460 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLDB | Common Stock | Sale | $13,505 | -3,278 | -3.3% | $4.12 | 95,412 | 10 Nov 2025 | Direct | F1, F2 |
| holding | SLDB | Common Stock | 14,839 | 10 Nov 2025 | Wife | ||||||
| holding | SLDB | Common Stock | 19,394 | 10 Nov 2025 | See Footnote | F3 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.11 to $4.12, 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 footnote (1) to this Form. |
| F2 | Represents 91,370 shares held by Mr. Ganot as an individual, and 4,042 shares held by Mr. Ganot and Annie Ganot as joint tenants with right of survivorship. |
| F3 | Represents 19,394 shares held by Adam Ganot and Annie Ganot, and their successors, as the trustees for Ilan Ganot 2017 Irrevocable Trust dated March 3, 2017. |