Quick Takeaways
- Adage Capital Management, L.P. filed SCHEDULE 13G/A for Solid Biosciences Inc. Common Stock $0.001 par value per share (SLDB).
- Disclosed ownership: 1.8%.
- Date of event: 31 Dec 2025.
Adage Capital Management, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Solid Biosciences Inc. Common Stock $0.001 par value per share (SLDB)
- Filing Manager
- Adage Capital Management, L.P.
- Reporting Manager
- Adage Capital Management, L.P.
- Symbol
- SLDB
- Shares outstanding
- 77,777,778 shares
- Disclosed Ownership
- 1,400,000 shares
- Ownership
- 1.8%
- Form type
- SCHEDULE 13G/A
- Filing time
- 12 Feb 2026, 09:09:34 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 13 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Adage Capital Management, L.P. disclosed 1.8% ownership in Solid Biosciences Inc. Common Stock $0.001 par value per share (SLDB) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 13 Nov 2025.
- Current filing was accepted on 12 Feb 2026, 09:09.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Adage Capital Management, L.P. | 1.8% | 1,400,000 | 0 | 1,400,000 | /s/ Robert Atchinson | By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member | |
| Robert Atchinson | 1.8% | 1,400,000 | 0 | 1,400,000 | /s/ Robert Atchinson | Robert Atchinson, individually | |
| Phillip Gross | 1.8% | 1,400,000 | 0 | 1,400,000 | /s/ Phillip Gross | Phillip Gross, individually |