Spero Therapeutics, Inc.
Insider Ownership
| 8-K | 34 | 04/28/2025 | 04/22/2025 |
| 8-K | 34 | 03/27/2025 | 03/27/2025 |
| 8-K | 34 | 01/10/2025 | 01/07/2025 |
| 8-K | 34 | 10/29/2024 | 10/29/2024 |
| 8-K | 34 | 09/10/2024 | 09/09/2024 |
| 10-Q | 34 | 08/05/2024 | 06/30/2024 |
| 8-K | 34 | 08/05/2024 | 08/05/2024 |
| 8-K | 34 | 06/03/2024 | 05/29/2024 |
| 10-Q | 34 | 05/15/2024 | 03/31/2024 |
| 8-K | 34 | 03/29/2024 | 03/29/2024 |
≥5% Ownership
| 4 | 02/05/2025 | 02/03/2025 | |
| 4 | 02/05/2025 | 02/03/2025 | |
| 4 | 02/05/2025 | 02/03/2025 | |
| 4 | 02/05/2025 | 02/05/2025 | |
| 4 | 11/12/2024 | 11/07/2024 | |
| 4 | 08/06/2024 | 08/02/2024 | |
| 4 | 02/05/2024 | 02/01/2024 | |
| 4 | 02/05/2024 | 02/02/2024 | |
| 4 | 02/05/2024 | 02/01/2024 | |
| 4 | 02/05/2024 | 02/01/2024 |