
SPRO
Spero Therapeutics Inc
Biotechnology
Spero Therapeutics Inc (SPRO) Insider Trading
8 transactions reported on SEC Form 4 — executive and director buys and sells.
Buys
0
Sells
0
Net value
$0
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Zack Debra | Chief Medical Officer | Grant | 162,311 | — | 15d ago |
| Smith Cynthia | Grant | 10,000 | — | Jun 23, 2026 | |
| THOMAS FRANK E | Grant | 10,000 | — | Jun 23, 2026 | |
| Deshpande Milind | Grant | 10,000 | — | Jun 23, 2026 | |
| Tregoning Kathleen | Grant | 10,000 | — | Jun 23, 2026 | |
| Pottage John C Jr | Grant | 10,000 | — | Jun 23, 2026 | |
| Jackson Scott Thomas | Grant | 10,000 | — | Jun 23, 2026 | |
| VINK PATRICK V.J.J. | Grant | 10,000 | — | Jun 23, 2026 |