Cumbo Alexander (CIK 1685994) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-18). Recent activity: Buy SLDB (30,031 shares), Sell SLDB (16,644 shares), Sell SLDB (48,913 shares), Buy SLDB (169,401 shares), Buy SLDB (100,400 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-18 | Solid Biosciences Inc. (SLDB) | President and CEO | Buy | 30,031 | $0 |
| 2026-02-18 | Solid Biosciences Inc. (SLDB) | President and CEO | Sell | 16,644 | $96,868 |
| 2026-02-06 | Solid Biosciences Inc. (SLDB) | President and CEO | Sell | 48,913 | $315,000 |
| 2026-02-02 | Solid Biosciences Inc. (SLDB) | President and CEO | Buy | 169,401 | $0 |
| 2026-02-02 | Solid Biosciences Inc. (SLDB) | President and CEO | Buy | 100,400 | $0 |
| 2026-02-02 | Solid Biosciences Inc. (SLDB) | President and CEO | Sell | 80,258 | $516,862 |
| 2025-12-04 | Solid Biosciences Inc. (SLDB) | President and CEO | Buy | 28,612 | $0 |
| 2025-12-04 | Solid Biosciences Inc. (SLDB) | President and CEO | Sell | 10,808 | $55,229 |
| 2025-02-18 | Solid Biosciences Inc. (SLDB) | President and CEO | Buy | 30,031 | $0 |
| 2025-02-18 | Solid Biosciences Inc. (SLDB) | President and CEO | Sell | 11,365 | $45,005 |
Source: SEC Form 4 filings · as of 2026-02-18