GAMCO Investors, Inc. 13D and 13G filings for Harpoon Therapeutics, 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 |
| 2024-03-13 4:14 pm Sale | 2024-03-12 | 13D | Harpoon Therapeutics, Inc. HARP | GAMCO INVESTORS INC. GBL | 0 0.000% | -862,549 (Position Closed) | Filing |
| 2024-02-27 4:02 pm Purchase | 2024-02-22 | 13D | Harpoon Therapeutics, Inc. HARP | GAMCO INVESTORS INC. GBL | 862,549 4.030% | 862,549 (New Position) | Filing |