SLDB
Solid Biosciences Inc.
NASDAQ · Healthcare · Biotechnology · US
$10.25
−1.63%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+53.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 7, 2026 | SMITH IAN F · director | M-Exempt | 3,440 | $0.00 |
| Jun 11, 2026 | Freed Martin I · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Stone Adam Leo · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Sullivan Lynne Marie · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Kahn Clare · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Keresty Georgia · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Ganot Ilan · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | Nagendran Sukumar · director | A-Award | 77,500 | $6.61 |
| Jun 11, 2026 | SMITH IAN F · director | A-Award | 77,500 | $6.61 |
| Apr 21, 2026 | Hanrahan Jessie · officer: Chief Regulatory Officer | A-Award | 54,925 | $0.00 |
| Apr 21, 2026 | Cumbo Alexander · director, officer: President and CEO | A-Award | 169,401 | $0.00 |
| Apr 21, 2026 | Herzich Paul · officer: Chief Technology Officer | A-Award | 54,925 | $0.00 |
| Apr 21, 2026 | Brooks Gabriel · officer: Chief Medical Officer | A-Award | 58,847 | $0.00 |
| Apr 21, 2026 | Howton David T · officer: Chief Operating Officer | A-Award | 79,341 | $0.00 |
| Apr 21, 2026 | Tan Kevin · officer: CFO & Treasurer | A-Award | 56,647 | $0.00 |
| Apr 2, 2026 | SMITH IAN F · director | M-Exempt | 3,441 | $0.00 |
| Mar 11, 2026 | PERCEPTIVE ADVISORS LLC · director, 10 percent owner: | A-Award | 8,912,655 | $0.00 |
| Feb 18, 2026 | Herzich Paul · officer: Chief Technology Officer | M-Exempt | 7,187 | $0.00 |
| Feb 18, 2026 | Howton David T · officer: Chief Operating Officer | Sale | 7,469 | $5.82 |
| Feb 18, 2026 | Ganot Ilan · director | Sale | 2,658 | $5.82 |
| Feb 18, 2026 | Tan Kevin · officer: CFO & Treasurer | Sale | 5,404 | $5.82 |
| Feb 18, 2026 | Cumbo Alexander · director, officer: President and CEO | M-Exempt | 30,031 | $0.00 |
| Feb 18, 2026 | Tan Kevin · officer: CFO & Treasurer | M-Exempt | 10,625 | $0.00 |
| Feb 18, 2026 | Brooks Gabriel · officer: Chief Medical Officer | Sale | 0 | $5.82 |
| Feb 18, 2026 | Ganot Ilan · director | M-Exempt | 4,861 | $0.00 |
| Feb 18, 2026 | Hanrahan Jessie · officer: Chief Regulatory Officer | M-Exempt | 8,125 | $0.00 |
| Feb 18, 2026 | Howton David T · officer: Chief Operating Officer | M-Exempt | 14,687 | $0.00 |
| Feb 18, 2026 | Brooks Gabriel · officer: Chief Medical Officer | M-Exempt | 10,937 | $0.00 |
| Feb 18, 2026 | Hanrahan Jessie · officer: Chief Regulatory Officer | Sale | 4,134 | $5.82 |
Institutional positioning
13F filings over the trailing two quarters
New 75Increased 111Reduced 79Sold out 24
| Filer | Action | Shares | Filed |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | Increased | 12,036,126 | Aug 14, 2026 |
| PERCEPTIVE ADVISORS LLC | Unchanged | 11,906,646 | Aug 14, 2026 |
| PERCEPTIVE ADVISORS LLC | Increased | 11,906,646 | May 29, 2026 |
| Bain Capital Life Sciences Investors, LLC | Unchanged | 9,808,819 | Aug 14, 2026 |
| BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | Increased | 9,808,819 | May 15, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Increased | 9,339,978 | May 15, 2026 |
| Siren, L.L.C. | Unchanged | 7,690,405 | Aug 13, 2026 |
| SIREN, L.L.C. | Unchanged | 7,690,405 | May 14, 2026 |
| BlackRock, Inc. | Increased | 6,934,248 | Aug 7, 2026 |
| FMR LLC | Increased | 6,875,957 | Aug 13, 2026 |
| VESTAL POINT CAPITAL, LP | Reduced | 5,000,000 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 4,958,354 | May 13, 2026 |
| ARMISTICE CAPITAL, LLC | Increased | 4,278,000 | Aug 14, 2026 |
| STATE STREET CORP | Increased | 4,175,365 | Aug 7, 2026 |
| Jupiter Topco LLC | New Position | 4,043,605 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 7, 2026