13D/A filed by D. E. SHAW & CO, L.P.
D. E. SHAW & CO, L.P. and 3 other reporting persons reported 312,048 GOSS shares, 5.1% of the class, as of 2026-09-24, in a 13D/A accepted by EDGAR 2026-09-28 23:49:09 UTC.
- Accession
- 0001104659-26-111463
- Filer
- CIK 1009268
- Filed
- 2026-09-28
- Accepted by EDGAR
- Ingested
- Source
- EDGAR daily index
Stake
- Subject
- GOSS · Gossamer Bio, Inc.
- Shares
- 312,048
- Percent of class
- 5.1%
- Event date
- 2026-09-24
How the shares relate across the reporting persons: ambiguous: the persons may hold separate positions, so the group total can be higher. The page shows the largest row.
Read for the filer group D. E. Shaw & Co., Inc..
Reporting persons
| Person | Type | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Aggregate | Percent |
|---|---|---|---|---|---|---|---|
| D. E. Shaw Valence Portfolios, L.L.C. | OO | 0 | 296,858 | 0 | 296,858 | 296,858 | 4.9% |
| D. E. Shaw & Co., L.L.C. | OO | 0 | 312,048 | 0 | 312,048 | 312,048 | 5.1% |
| D. E. Shaw & Co., L.P. | IA,PN | 0 | 312,048 | 0 | 312,048 | 312,048 | 5.1% |
| David E. Shaw | IN | 0 | 312,048 | 0 | 312,048 | 312,048 | 5.1% |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13D/A 0001104659-26-111463 | this filing | 2026-09-28 | ||
| 13D/A 0001104659-26-114792 | amendment | 2026-10-08 |