| 2026-08-12 | 8-K | 8-K filed 2026-08-12 by Spero Therapeutics, Inc. |
| 2026-08-12 | 10-Q | 10-Q filed 2026-08-12 by Spero Therapeutics, Inc. |
| 2026-07-14 | 8-K | 8-K filed 2026-07-14 by Spero Therapeutics, Inc. |
| 2026-06-25 | 8-K | 8-K filed 2026-06-25 by Spero Therapeutics, Inc. |
| 2026-06-22 | 8-K | 8-K filed 2026-06-22 by Spero Therapeutics, Inc. |
| 2026-05-13 | 10-Q | 10-Q filed 2026-05-13 by Spero Therapeutics, Inc. |
| 2026-05-13 | 8-K | 8-K filed 2026-05-13 by Spero Therapeutics, Inc. |
| 2026-04-27 | DEF 14A | DEF 14A filed 2026-04-27 by Spero Therapeutics, Inc. |
| 2026-03-26 | 8-K | 8-K filed 2026-03-26 by Spero Therapeutics, Inc. |
| 2026-03-26 | 10-K | 10-K filed 2026-03-26 by Spero Therapeutics, Inc. |
| 2026-01-30 | 8-K | 8-K filed 2026-01-30 by Spero Therapeutics, Inc. |
| 2025-12-19 | 8-K | 8-K filed 2025-12-19 by Spero Therapeutics, Inc. |
| 2025-11-13 | 8-K | 8-K filed 2025-11-13 by Spero Therapeutics, Inc. |
| 2025-11-13 | 10-Q | 10-Q filed 2025-11-13 by Spero Therapeutics, Inc. |
| 2025-08-12 | 10-Q | 10-Q filed 2025-08-12 by Spero Therapeutics, Inc. |
| 2025-08-12 | 8-K | 8-K filed 2025-08-12 by Spero Therapeutics, Inc. |
| 2025-06-18 | 8-K | 8-K filed 2025-06-18 by Spero Therapeutics, Inc. |
| 2025-05-28 | 8-K | 8-K filed 2025-05-28 by Spero Therapeutics, Inc. |
| 2025-05-13 | 10-Q | 10-Q filed 2025-05-13 by Spero Therapeutics, Inc. |
| 2025-05-13 | 8-K | 8-K filed 2025-05-13 by Spero Therapeutics, Inc. |
| 2025-04-28 | DEF 14A | DEF 14A filed 2025-04-28 by Spero Therapeutics, Inc. |
| 2025-04-28 | 8-K | 8-K filed 2025-04-28 by Spero Therapeutics, Inc. |
| 2025-03-27 | 10-K | 10-K filed 2025-03-27 by Spero Therapeutics, Inc. |
| 2025-03-27 | 8-K | 8-K filed 2025-03-27 by Spero Therapeutics, Inc. |
| 2025-02-28 | 8-K | 8-K filed 2025-02-28 by Spero Therapeutics, Inc. |
| 2025-01-10 | 8-K | 8-K filed 2025-01-10 by Spero Therapeutics, Inc. |
| 2024-11-14 | 10-Q | 10-Q filed 2024-11-14 by Spero Therapeutics, Inc. |
| 2024-11-14 | 8-K | 8-K filed 2024-11-14 by Spero Therapeutics, Inc. |
| 2024-10-29 | 8-K | 8-K filed 2024-10-29 by Spero Therapeutics, Inc. |
| 2024-09-10 | 8-K | 8-K filed 2024-09-10 by Spero Therapeutics, Inc. |