Alector, Inc. (ALEC)
Nasdaq: ALEC · Biological Products, (No Diagnostic Substances) · South San Francisco, CA · filing with the SEC since 2015
Who runs Alector, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Rosenthal Arnon
Chief Executive Officer. First filing Feb 2019, latest Oct 15, 2026, 21 filings in all.
Officers reporting now
4
of 11 people with a filing in the last fifteen months
Directors reporting now
7
26 people on the record since 2019
Officerssales are open-market, Oct 15, 2025 to Oct 15, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Rosenthal Arnon | Chief Executive Officer | Feb 2019 | Oct 15, 2026 | 4 · $700,000 |
| Berkley Neil Lindsay | CFO & Chief Business Officer | Jun 2025 | Oct 15, 2026 | 4 · $200,000 |
| Wong-Sarad Grace | Principal Accounting Officer | Jun 2025 | Oct 15, 2026 | 12 · $100,000 |
| Kenkare-Mitra Sara | President and Head of R&D | Dec 2021 | Dec 3, 2025 | 1 · $0.00 |
Directorssales are open-market, Oct 15, 2025 to Oct 15, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Altmeyer Mark | director | Mar 2024 | Jun 17, 2026 | none |
| Desouza Errol B | director | Mar 2024 | Jun 17, 2026 | none |
| Garofalo Elizabeth A. | director | Sep 2021 | Jun 17, 2026 | none |
| Hammond Paula | director | Mar 2020 | Jun 17, 2026 | none |
| Lavigne Louis J Jr | director | Feb 2019 | Jun 17, 2026 | none |
| Scheller Richard H | director | Feb 2019 | Jun 17, 2026 | none |
| Yaffe Kristine | director | Aug 2019 | Jun 17, 2026 | none |
Earlier names on the record20, newest filing first
Grasso Marc · officer · last filing Jun 2025Romano Gary · officer · last filing Mar 2025Wehner David M. · director · last filing Jun 2024Polaris Venture Management Co. Vi, L.L.C. · 10% owner · last filing May 2024Polaris Venture Partners Founders' Fund Vi, L.P. · 10% owner · last filing May 2024Polaris Venture Partners Vi (Aiv), L.P. · 10% owner · last filing May 2024Polaris Venture Partners Vi, L.P. · 10% owner · last filing May 2024Pvp Vi (Aiv) Feeder Corp. Holding Partnership, L.P. · 10% owner · last filing May 2024Mcguire Terrance · director · last filing Sep 2023Gerngross Tillman U. · director · last filing Jun 2023King Robert · officer · last filing Oct 2022Suliman Shehnaaz · officer · last filing Dec 2021Rubinstein Linda M · officer · last filing Sep 2021Paul Robert · officer · last filing Aug 2021Yu Calvin · officer · last filing Jul 2021Oney Sabah · officer · last filing Oct 2020Orbimed Advisors LLC · director · last filing Apr 2020Orbimed Capital Gp IV LLC · director · last filing Apr 2020Orbimed Capital LLC · director · last filing Mar 2020Gordon Carl L · director · last filing May 2019
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.