4
Changes in Ownership
Spero Therapeutics, Inc. Filed Acc 0000950170-25-087013
Director acquired 20,000 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 |
|---|---|---|---|---|---|---|---|
| Pottage John C Jr Director | 2025-06-12 | Grant or award | +20,000 | 75,000 | D |
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