Rubric Capital Management LP 13D and 13G filings for Collegium Pharmaceutical, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-02-13 4:05 pm Sale | 2025-12-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 1,496,436 4.730% | -1,503,564 (-50.12%) | Filing |
| 2025-05-14 4:04 pm Purchase | 2025-03-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 3,000,000 9.340% | 650,000 (+27.66%) | Filing |
| 2025-02-13 4:01 pm Purchase | 2024-12-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 2,350,000 7.290% | 1,100,000 (+88.00%) | Filing |
| 2024-11-13 4:30 pm Sale | 2024-09-30 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 1,250,000 3.880% | -1,508,253 (-54.68%) | Filing |
| 2024-02-12 06:06 am Sale | 2023-12-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 2,758,253 8.460% | -575,375 (-17.26%) | Filing |
| 2023-02-10 4:00 pm Purchase | 2022-12-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 3,333,628 9.930% | 727,128 (+27.90%) | Filing |
| 2022-02-14 08:41 am Purchase | 2021-12-31 | 13G | COLLEGIUM PHARMACEUTICAL INC C COLL | Rubric Capital Management LP | 2,606,500 7.540% | 680,217 (+35.31%) | Filing |