Alector, Inc. (ALEC) has 5 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $296K. Most recent filing: Sept. 4, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 4, 2026 filed Sept. 2, 2026 | Wong-Sarad Grace Principal Accounting Officer | −$24,666 | 9,446 | −8% | No | |
|
|
||||||
| Sept. 4, 2026 filed Sept. 3, 2026 | Rosenthal Arnon Chief Executive Officer | −$193,473 | 72,606 | −3% | No | |
|
|
||||||
| Sept. 4, 2026 filed Sept. 3, 2026 | Berkley Neil Lindsay CFO & Chief Business Officer | −$77,948 | 29,251 | −8% | No | |
|
|
||||||
| Aug. 21, 2026 filed Aug. 19, 2026 | Rosenthal Arnon Chief Executive Officer | $0 | 2,100,000 | 0% | No | |
|
|
||||||
| July 9, 2026 | Wong-Sarad Grace Principal Accounting Officer | $0 | 20,000 | +21% | No | |
|
|
||||||
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free