ALEC Insider Trading Activity and SEC Form 4 Filings
ALEC insider trading summary
Over the past 12 months, insiders at Alector, Inc. (ALEC) reported 21 sales worth $1.0M by 4 insiders and no open-market purchases on SEC Form 4. Net insider selling was $1.0M.
Latest ALEC insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Sep 4, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $9K (3,625 @ $2.51) |
| Sep 3, 2026 | Neil Lindsay Berkley | CFO & Chief Business Officer | Sell | $78K (29,251 @ $2.66) |
| Sep 3, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $14K (5,165 @ $2.67) |
| Sep 3, 2026 | Arnon Rosenthal | Chief Executive Officer | Sell | $193K (72,606 @ $2.66) |
| Sep 2, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $2K (656 @ $2.75) |
| Jun 3, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $7K (3,475 @ $1.88) |
| Jun 2, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $11K (5,709 @ $1.97) |
| Jun 2, 2026 | Neil Lindsay Berkley | CFO & Chief Business Officer | Sell | $38K (19,360 @ $1.97) |
| Jun 2, 2026 | Arnon Rosenthal | Chief Executive Officer | Sell | $172K (87,216 @ $1.97) |
| Apr 16, 2026 | Grace Wong-Sarad | Principal Accounting Officer | Sell | $5K (1,820 @ $2.65) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.