Alector, Inc. — insider transactions
42 transactions on record · ALEC · CIK 1653087
Aggregates
computed from the filings belowPurchases, 12m
0
count of open-market buys
Sales, 12m
42
count of open-market sales
Buy / sell ratio, 12m
0.00
purchases per sale
Distinct insiders, 12m
3
Bought, 3m
$0
Sold, 3m
$296.1K
Median disclosure lag
2.0 d
trade date to filing date
Largest single trade, 24m
$193.5K
2026-09-03
Director share, 12m
50.0%
of transactions where role is stated
Current run
42 sells
consecutive same-direction transactions
Net 3m flow
-$296.1K
purchases minus sales
Total on record
42
Transactions
42 most recent shown| Disclosed | Recorded (UTC) | Traded | Lag, d | Insider | Role | Transaction | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-14 | 1 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 55,555 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 20,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 20,454 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 11,552 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-14 | 1 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 83,435 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 275,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 20,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 20,454 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 11,552 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-14 | 1 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 217,500 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 275,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 457,038 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 13,842 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 10,228 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Disposition to issuer | 11,309 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.321 UTC | 2026-10-14 | 1 | Berkley Neil Lindsay | Chief Business Officer | Grant or award | 44,567 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 500,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 520,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 417,213 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 132,500 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 13,842 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 10,228 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.119 UTC | 2026-10-13 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 11,309 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.321 UTC | 2026-10-14 | 1 | Berkley Neil Lindsay | Chief Business Officer | Grant or award | 190,000 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 500,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 520,000 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 417,213 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 132,500 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 457,038 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Disposition to issuer | 119,446 | — | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-14 | 1 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 978,750 | $0.00 | — | filing |
| 2026-10-15 | 2026-10-16 02:27:17.517 UTC | 2026-10-13 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Grant or award | 119,446 | — | — | filing |
| 2026-09-04 | 2026-09-06 16:11:43.877 UTC | 2026-09-03 | 1 | Wong-Sarad Grace | Principal Accounting Officer | Open market sale | 5,165 | $2.67 | $13.8K | filing |
| 2026-09-04 | 2026-09-06 16:11:43.877 UTC | 2026-09-04 | 0 | Wong-Sarad Grace | Principal Accounting Officer | Open market sale | 3,625 | $2.51 | $9.1K | filing |
| 2026-09-04 | 2026-09-06 16:11:43.478 UTC | 2026-09-03 | 1 | Berkley Neil Lindsay | Chief Business Officer | Open market sale | 29,251 | $2.66 | $77.9K | filing |
| 2026-09-04 | 2026-09-06 16:11:43.678 UTC | 2026-09-03 | 1 | Rosenthal Arnon | Director, Chief Executive Officer | Open market sale | 72,606 | $2.66 | $193.5K | filing |
| 2026-09-04 | 2026-09-06 16:11:43.877 UTC | 2026-09-02 | 2 | Wong-Sarad Grace | Principal Accounting Officer | Open market sale | 656 | $2.75 | $1.8K | filing |
| 2026-08-21 | 2026-08-22 02:25:34.181 UTC | 2026-08-19 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Gift | 1,050,000 | $0.00 | — | filing |
| 2026-08-21 | 2026-08-22 02:25:34.181 UTC | 2026-08-19 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Gift | 350,000 | $0.00 | — | filing |
| 2026-08-21 | 2026-08-22 02:25:34.181 UTC | 2026-08-19 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Gift | 350,000 | $0.00 | — | filing |
| 2026-08-21 | 2026-08-22 02:25:34.181 UTC | 2026-08-19 | 2 | Rosenthal Arnon | Director, Chief Executive Officer | Gift | 350,000 | $0.00 | — | filing |
| 2026-07-09 | 2026-07-26 13:45:57.217 UTC | 2026-07-09 | 0 | Wong-Sarad Grace | Principal Accounting Officer | Grant or award | 20,000 | $0.00 | — | filing |