Form 4 for ALEC Alector, Inc.
Accepted 2025-11-12 00:00:00 ET · period of report 2025-11-10 · accession 0001757770-25-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-11-12 | 2025-11-10 | ALEC | Rosenthal Arnon | CEO, Dir | A - Grant | $0.00 | +174.2K | 2.52M | +7% | $0 |
| D | 2025-11-12 | 2025-11-10 | ALEC | Rosenthal Arnon | CEO, Dir | A - Grant | $0.00 | +522.5K | 522.5K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-10 | A | A | 174,167 | $0.00 | 2,524,387 | D | — | — | (F1) The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2025. |
| 2 | Derivative | Employee Stock Option (right to buy) | 2025-11-10 | A | A | 522,500 | $0.00 | 522,500 | D | $1.31 · — to 2035-11-09 | 522,500 Common Stock | (F6) Shares subject to the option vest in 48 equal monthly installments beginning on December 10, 2025. |