Form 4 for SLDB Solid Biosciences Inc.
Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-13 · accession 0001193125-26-057859 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-02-18 | 2026-02-18 | SLDB | Brooks Gabriel | Chief Medical Off | S - Sale+OE | — | 0 | 89.5K | New | — |
| DT | 2026-02-18 | 2026-02-13 | SLDB | Brooks Gabriel | Chief Medical Off | M - OptEx | — | +10.9K | 95.0K | +13% | — |
| DT | 2026-02-18 | 2026-02-13 | SLDB | Brooks Gabriel | Chief Medical Off | M - OptEx | $0.00 | -10.9K | 21.9K | -33% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-18 | S | D | 0 | $5.82 | 89,466 | D | — | — | (F2) 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. (F3) 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. |
| 2 | Common | Common Stock | 2026-02-13 | M | A | 10,937 | — | 95,029 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs"). |
| 3 | Derivative | Restricted Stock Units | 2026-02-13 | M | D | 10,937 | $0.00 | 21,876 | D | — · — to — | 10,937 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs"). (F4) 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. |