Form 4 for ALEC Alector, Inc.
Accepted 2026-08-21 18:00:04 ET · period of report 2026-08-19 · accession 0001193125-26-361376 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2026-08-21 18:00 | 2026-08-19 | ALEC | Rosenthal Arnon | CEO, Dir | G - Gift | $0.00 | 0 | 1.00M | 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 | 2026-08-19 | G | D | 1,050,000 | $0.00 | 922,875 | I See footnote | — | — | (F1) The reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee. |
| 2 | Common | Common Stock | 2026-08-19 | G | A | 350,000 | $0.00 | 1,002,500 | I See footnote | — | — | (F2) The reported securities are held directly by the Adi Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. |
| 3 | Common | Common Stock | 2026-08-19 | G | A | 350,000 | $0.00 | 1,002,500 | I See footnote | — | — | (F3) The reported securities are held directly by the Noam Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. |
| 4 | Common | Common Stock | 2026-08-19 | G | A | 350,000 | $0.00 | 1,002,500 | I See footnote | — | — | (F4) The reported securities are held directly by the Shani Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee. |