4
Changes in Ownership
Alector, Inc. Filed Acc 0001193125-26-422869
Chief Executive Officer acquired 217,500 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 |
|---|---|---|---|---|---|---|---|
| Rosenthal Arnon Chief Executive Officer | 2026-10-14 | Grant or award | +217,500 | 2,512,100 | D | ||
| Derivatives | |||||||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −500,000 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +500,000 | 500,000 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −275,000 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +275,000 | 275,000 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −520,000 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +520,000 | 520,000 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −457,038 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +457,038 | 457,038 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −417,213 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +417,213 | 417,213 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −119,446 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +119,446 | 119,446 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Returned to the company · Employee Stock Option (right to buy) | −132,500 | 0 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-13 | Grant or award · Employee Stock Option (right to buy) | +132,500 | 132,500 | D | ||
| Rosenthal Arnon Chief Executive Officer | 2026-10-14 | Grant or award · Employee Stock Option (right to buy) | +978,750 | 978,750 | D | ||
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