Form 4: Spero Therapeutics Executive Sells Shares
Insider Transaction (Form 4)
Esther Rajavelu, See Remarks and a Director of Spero Therapeutics, Inc., sold 40,851 shares of common stock on November 6, 2026 for $1.04 per share.
Summary
- Open-market sale: disposed of 40,851 Common Stock at $1.04 ($42,485) on November 9, 2026; holds 946,000 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $42,485 of stock on the open market.
Insider Transactions
Esther Rajavelu — Director, Officer (See Remarks)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-11-09 | Open-market sale | Common Stock | 40,851 | $1 | $42.5K | 946,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-11-09 | Open-market sale (40,851 shares) |
Keywords
insider transaction, Form 4, SPRO, Spero Therapeutics, Inc., bearish, Esther Rajavelu
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