Company · CIK 0001653087 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
Alector, Inc. · ALEC
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 SForm 4 → | Sep 4, 5:45 pm EDT | Neil Lindsay BerkleyCFO & Chief Business Officer | 29,251 | $2.66 | $77,948 | 350,649 | −7.70% | |
| Sep 3, 2026 SForm 4 → | Sep 4, 5:45 pm EDT | Arnon RosenthalChief Executive Officer, Director | 72,606 | $2.66 | $193,473 | 2,294,600 | −3.07% | |
| Sep 2, 2026 SForm 4 → | Sep 4, 5:45 pm EDT | Grace Wong-SaradPrincipal Accounting Officer | 9,446 | $2.61 | $24,666 | 106,015 | −8.18% | |
| Aug 19, 2026 GForm 4 → | Aug 21, 6:00 pm EDT | Arnon RosenthalChief Executive Officer, Director | 2,100,000 | — | — | 1,002,500 | — | |
| Jul 9, 2026 AForm 4 → | Jul 9, 4:05 pm EDT | Grace Wong-SaradPrincipal Accounting Officer | 20,000 | — | — | 115,461 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.