Rosenthal Arnon insider trades
Rosenthal Arnon has filed 30 Form 4s with the SEC that we hold, all for Alector, Inc. (ALEC), as Chief Executive Officer, Director. Across all of them we count 0 purchases worth $0 and 33 sales worth $19.5M reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($655.7K). The largest single trade was a sale of 94,717 shares of Alector, Inc. worth $2.4M, dated 2021-09-22. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-09-22 and the latest 2026-10-15.
Alector, Inc. (ALEC)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-09-20 | S, sale reported on Form 4 | 91,954 | $2.4M | 2021-09-22 | SEC |
| 2021-09-20 | S, sale reported on Form 4 | 8,046 | $211.9K | 2021-09-22 | SEC |
| 2021-09-21 | S, sale reported on Form 4 | 91,538 | $2.4M | 2021-09-22 | SEC |
| 2021-09-21 | S, sale reported on Form 4 | 8,462 | $224.8K | 2021-09-22 | SEC |
| 2021-09-22 | S, sale reported on Form 4 | 5,283 | $137.9K | 2021-09-23 | SEC |
| 2021-09-22 | S, sale reported on Form 4 | 94,717 | $2.4M | 2021-09-23 | SEC |
| 2021-09-23 | S, sale reported on Form 4 | 9,625 | $241.6K | 2021-09-23 | SEC |
| 2021-11-04 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-08 | SEC |
| 2021-11-04 | S, sale reported on Form 4 | 15,000 | $375.0K | 2021-11-08 | SEC |
| 2021-11-05 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-08 | SEC |
| 2021-11-05 | S, sale reported on Form 4 | 15,000 | $375.0K | 2021-11-08 | SEC |
| 2021-11-08 | S, sale reported on Form 4 | 15,000 | $375.0K | 2021-11-10 | SEC |
| 2021-11-08 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-10 | SEC |
| 2021-11-09 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-10 | SEC |
| 2021-11-09 | S, sale reported on Form 4 | 15,000 | $375.0K | 2021-11-10 | SEC |
| 2021-11-10 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-12 | SEC |
| 2021-11-11 | S, sale reported on Form 4 | 55,000 | $1.4M | 2021-11-12 | SEC |
| 2023-03-02 | S, sale reported on Form 4 | 5,849 | $48.7K | 2023-03-03 | SEC |
| 2023-03-17 | S, sale reported on Form 4 | 15,186 | $94.5K | 2023-03-21 | SEC |
| 2023-06-02 | S, sale reported on Form 4 | 5,255 | $36.3K | 2023-06-05 | SEC |
| 2023-09-05 | S, sale reported on Form 4 | 5,647 | $29.3K | 2023-09-06 | SEC |
| 2023-12-04 | S, sale reported on Form 4 | 23,831 | $132.5K | 2023-12-06 | SEC |
| 2024-03-04 | S, sale reported on Form 4 | 18,837 | $130.4K | 2024-03-05 | SEC |
| 2024-06-03 | S, sale reported on Form 4 | 25,135 | $120.6K | 2024-06-04 | SEC |
| 2024-09-03 | S, sale reported on Form 4 | 26,499 | $129.3K | 2024-09-04 | SEC |
| 2024-12-02 | S, sale reported on Form 4 | 52,172 | $131.5K | 2024-12-03 | SEC |
| 2025-03-03 | S, sale reported on Form 4 | 40,330 | $59.3K | 2025-03-05 | SEC |
| 2025-06-02 | S, sale reported on Form 4 | 52,087 | $69.8K | 2025-06-04 | SEC |
| 2025-09-02 | S, sale reported on Form 4 | 51,562 | $128.9K | 2025-09-04 | SEC |
| 2025-12-03 | S, sale reported on Form 4 | 104,347 | $116.9K | 2025-12-03 | SEC |
| 2026-03-02 | S, sale reported on Form 4 | 81,864 | $173.6K | 2026-03-03 | SEC |
| 2026-06-02 | S, sale reported on Form 4 | 87,216 | $171.8K | 2026-06-03 | SEC |
| 2026-09-03 | S, sale reported on Form 4 | 72,606 | $193.5K | 2026-09-04 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1757770) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
