4
Changes in Ownership
Spero Therapeutics, Inc. Filed Acc 0000899243-23-000990
Options or other derivatives
- Director acquired 30,943 shares (grant or award)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Derivatives | |||||||
| Tregoning Kathleen Director | 2023-01-03 | Grant or award · Stock Option (Right to Buy) | +30,943 | $1.29 | $39,916 | 30,943 | D |
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