Form 4: Alector CEO Sells Shares
Insider Transaction (Form 4)
Arnon Rosenthal, Chief Executive Officer and a Director of Alector, Inc., sold 72,606 shares of common stock on September 3, 2026 for $2.66 per share.
Summary
- Open-market sale: disposed of 72,606 Common Stock at $2.66 ($193,473) on September 3, 2026; holds 2,294,600 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $193,473 of stock on the open market.
Insider Transactions
Arnon Rosenthal — Director, Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-03 | Open-market sale | Common Stock | 72,606 | $3 | $193.5K | 2,294,600 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-03 | Open-market sale (72,606 shares) |
Keywords
insider transaction, Form 4, ALEC, Alector, Inc., bearish, Arnon Rosenthal
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