SPRO · Forms 3, 4, 5
Insider trades at Spero Therapeutics, Inc.
No open-market insider buys or sells at Spero Therapeutics, Inc. in the last 90 days; 2 filings reported awards, option exercises, tax withholding or new insiders.
Every Form 3, 4 and 5 filed for Spero Therapeutics, Inc. (SPRO) with the SEC, newest first: who traded, their role, buy or sell, shares, price and value.
Insider trades in the last 90 days
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Debra Zack | Chief Medical Officer | Became an insider (Form 3) | Form 3 | ||||
| Debra Zack | Chief Medical Officer | Award | 162,311 | Form 4 |
Buy and Sell are open-market purchases and sales (transaction codes P and S), the trades investors watch. Awards, option exercises, tax withholding and gifts are reported too but are not market trades.