The Column Group III GP, LP 13D and 13G filings for Surrozen, 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 |
| 2026-05-18 06:49 am Unchanged | 2026-03-31 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 3,824,612 29.300% | 0 (Unchanged) | Filing |
| 2026-01-22 6:55 pm Purchase | 2026-01-20 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 3,824,612 35.100% | 417,207 (+12.24%) | Filing |
| 2025-03-28 9:19 pm Purchase | 2025-03-26 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 3,407,405 34.000% | 2,142,132 (+169.30%) | Filing |
| 2024-04-17 4:10 pm Sale | 2024-04-04 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 1,265,273 34.600% | -11,111 (-0.87%) | Filing |
| 2024-04-08 6:19 pm Unchanged | 2024-04-04 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 1,276,384 34.900% | 0 (Unchanged) | Filing |
| 2024-04-08 4:57 pm Purchase | 2024-04-04 | 13D | SURROZEN INC SRZN | The Column Group III GP, LP | 1,276,384 34.900% | 1,276,384 (New Position) | Filing |