# Alector, Inc. (ALEC) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/alec

> 10 non-derivative transactions: 0 purchases, 5 sales ($296K). CIK 1653087.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-04 | Wong-Sarad Grace | Officer | S | 3625.0 | 2.51 | 106015.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526383858/0001193125-26-383858-index.htm |
| 2026-09-03 | Berkley Neil Lindsay | Officer | S | 29251.0 | 2.66 | 350649.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526383856/0001193125-26-383856-index.htm |
| 2026-09-03 | Rosenthal Arnon | Director, Officer | S | 72606.0 | 2.66 | 2294600.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526383857/0001193125-26-383857-index.htm |
| 2026-09-03 | Wong-Sarad Grace | Officer | S | 5165.0 | 2.67 | 109640.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526383858/0001193125-26-383858-index.htm |
| 2026-09-02 | Wong-Sarad Grace | Officer | S | 656.0 | 2.75 | 114805.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526383858/0001193125-26-383858-index.htm |
| 2026-08-19 | Rosenthal Arnon | Director, Officer | G | 350000.0 | 0.0 | 1002500.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526361376/0001193125-26-361376-index.htm |
| 2026-08-19 | Rosenthal Arnon | Director, Officer | G | 1050000.0 | 0.0 | 922875.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526361376/0001193125-26-361376-index.htm |
| 2026-08-19 | Rosenthal Arnon | Director, Officer | G | 350000.0 | 0.0 | 1002500.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526361376/0001193125-26-361376-index.htm |
| 2026-08-19 | Rosenthal Arnon | Director, Officer | G | 350000.0 | 0.0 | 1002500.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526361376/0001193125-26-361376-index.htm |
| 2026-07-09 | Wong-Sarad Grace | Officer | A | 20000.0 | 0.0 | 115461.0 | https://www.sec.gov/Archives/edgar/data/1653087/000119312526299678/0001193125-26-299678-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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