Alector, Inc (ALEC) insider trading
Every open-market stock purchase and sale by Alector, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $727K over the last 12 months (15 sales). No open-market buys.
- Last insider buy: David M. Wehner (Director), $500K, 6 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $727K (15 sales). Last close $1.64 on Jun 4, 2026.
Recent ALEC insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 17, 2026 | Errol B Desouza (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Kristine Yaffe (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Kristine Yaffe (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Mark Altmeyer (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Louis J Lavigne Jr (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Louis J Lavigne Jr (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Errol B Desouza (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Mark Altmeyer (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Elizabeth A. Garofalo (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Elizabeth A. Garofalo (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Paula Hammond (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Paula Hammond (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Richard H Scheller (Insider) | Bought (not open market) | — |
| Jun 17, 2026 | Richard H Scheller (Insider) | Bought (not open market) | — |
| Jun 3, 2026 | Grace Wong-Sarad (Insider) | Sold | $6.5K |
| Jun 2, 2026 | Arnon Rosenthal (CEO) | Sold | $172K |
| Jun 2, 2026 | Neil Lindsay Berkley (CFO) | Sold | $38.2K |
| Jun 2, 2026 | Grace Wong-Sarad (Insider) | Sold | $11.3K |
| Jun 1, 2026 | Richard H Scheller (Insider) | Bought (not open market) | — |
| Apr 16, 2026 | Grace Wong-Sarad (Insider) | Sold | $4.8K |
| Mar 15, 2026 | Neil Lindsay Berkley (CFO) | Bought (not open market) | — |
| Mar 13, 2026 | Arnon Rosenthal (CEO) | Bought (not open market) | — |
| Mar 10, 2026 | Grace Wong-Sarad (Insider) | Sold | $2.6K |
| Mar 3, 2026 | Grace Wong-Sarad (Insider) | Sold | $7K |
| Mar 2, 2026 | Arnon Rosenthal (CEO) | Sold | $174K |
Who's trading ALEC
- Kristine Yaffe, Insider: other filings, last Jun 17, 2026
- Errol B Desouza, Insider: other filings, last Jun 17, 2026
- Elizabeth A. Garofalo, Insider: other filings, last Jun 17, 2026
- Paula Hammond, Insider: other filings, last Jun 17, 2026
- Louis J Lavigne Jr, Insider: other filings, last Jun 17, 2026
- Richard H Scheller, Insider: other filings, last Jun 17, 2026
- Mark Altmeyer, Insider: other filings, last Jun 17, 2026
- Grace Wong-Sarad, Insider: sold $74.4K (9 sales), last Jun 3, 2026
- Arnon Rosenthal, CEO: sold $463K (3 sales), last Jun 2, 2026
- Neil Lindsay Berkley, CFO: sold $143K (3 sales), last Jun 2, 2026
- Sara Kenkare-Mitra, President: sold $46.7K (1 sale), last Dec 3, 2025
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