Arnon Rosenthal, Chief Executive Officer at Alector, Inc. (ALEC), sold 110,000 shares at $25.00 ($2.8M) on 2021-11-11, disclosed to the SEC on 2021-11-12.
Open-market sale of $2.8M ALEC by Chief Executive Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $25.00 | 55,000 | $1.4M | 50.0% |
| 2 | $25.00 | 55,000 | $1.4M | 50.0% |
| Total | $25.00 avg | 110,000 | $2.8M | 100% |
| Filing → |
| ALEC | SELL | 2026-03-03 | $347K | — | Filing → |
| ALEC | SELL | 2025-12-03 | $234K | — | Filing → |
| ALEC | SELL | 2025-09-04 | $129K | — | Filing → |