ALEC.NASDAQAlector, INC
Form 4: Alector CEO Receives Stock Grant
Sentiment:
Insider Transaction (Form 4)
Arnon Rosenthal, Chief Executive Officer and a Director of Alector, Inc., reported multiple transactions in common stock on October 13, 2026.
Summary
- Grant/award: acquired 217,500 Common Stock on October 14, 2026; holds 2,512,100 after (Direct).
- Disposition to the issuer: disposed of 500,000 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 500,000 Employee Stock Option (right to buy) on October 13, 2026; holds 500,000 after (Direct).
- Disposition to the issuer: disposed of 275,000 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 275,000 Employee Stock Option (right to buy) on October 13, 2026; holds 275,000 after (Direct).
- Disposition to the issuer: disposed of 520,000 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 520,000 Employee Stock Option (right to buy) on October 13, 2026; holds 520,000 after (Direct).
- Disposition to the issuer: disposed of 457,038 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 457,038 Employee Stock Option (right to buy) on October 13, 2026; holds 457,038 after (Direct).
- Disposition to the issuer: disposed of 417,213 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 417,213 Employee Stock Option (right to buy) on October 13, 2026; holds 417,213 after (Direct).
- Disposition to the issuer: disposed of 119,446 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 119,446 Employee Stock Option (right to buy) on October 13, 2026; holds 119,446 after (Direct).
- Disposition to the issuer: disposed of 132,500 Employee Stock Option (right to buy) on October 13, 2026 (Direct).
- Grant/award: acquired 132,500 Employee Stock Option (right to buy) on October 13, 2026; holds 132,500 after (Direct).
- Grant/award: acquired 978,750 Employee Stock Option (right to buy) on October 14, 2026; holds 978,750 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Arnon Rosenthal — Director, Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-10-14 | Grant/award | Common Stock | 217,500 | — | — | 2,512,100 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 500,000 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 500,000 | — | — | 500,000 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 275,000 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 275,000 | — | — | 275,000 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 520,000 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 520,000 | — | — | 520,000 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 457,038 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 457,038 | — | — | 457,038 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 417,213 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 417,213 | — | — | 417,213 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 119,446 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 119,446 | — | — | 119,446 |
| 2026-10-13 | Disposition to the issuer | Employee Stock Option (right to buy) | 132,500 | — | — | 0 |
| 2026-10-13 | Grant/award | Employee Stock Option (right to buy) | 132,500 | — | — | 132,500 |
| 2026-10-14 | Grant/award | Employee Stock Option (right to buy) | 978,750 | — | — | 978,750 |
Key Dates
| Date | Description |
|---|---|
| 2026-10-14 | Grant/award (217,500 shares) |
| 2026-10-13 | Disposition to the issuer (500,000 shares) |
| 2026-10-13 | Grant/award (500,000 shares) |
| 2026-10-13 | Disposition to the issuer (275,000 shares) |
| 2026-10-13 | Grant/award (275,000 shares) |
| 2026-10-13 | Disposition to the issuer (520,000 shares) |
| 2026-10-13 | Grant/award (520,000 shares) |
| 2026-10-13 | Disposition to the issuer (457,038 shares) |
| 2026-10-13 | Grant/award (457,038 shares) |
| 2026-10-13 | Disposition to the issuer (417,213 shares) |
| 2026-10-13 | Grant/award (417,213 shares) |
| 2026-10-13 | Disposition to the issuer (119,446 shares) |
| 2026-10-13 | Grant/award (119,446 shares) |
| 2026-10-13 | Disposition to the issuer (132,500 shares) |
| 2026-10-13 | Grant/award (132,500 shares) |
| 2026-10-14 | Grant/award (978,750 shares) |
Keywords
insider transaction, Form 4, ALEC, Alector, Inc., neutral, Arnon Rosenthal
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