Personalis, Inc. (PSNL)
Nasdaq: PSNL · Services-Medical Laboratories · Fremont, CA · filing with the SEC since 2011
Who runs Personalis, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Hall Christopher M
Chief Executive Officer. First filing Jan 2023, latest Nov 4, 2026, 8 filings in all.
Officers reporting now
4
of 10 people with a filing in the last fifteen months
Directors reporting now
6
17 people on the record since 2019
Officerssales are open-market, Nov 4, 2025 to Nov 4, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hall Christopher M | Chief Executive Officer | Jan 2023 | Nov 4, 2026 | 6 · $4.5M |
| Chen Richard | President and CMO | Jun 2019 | Sep 22, 2026 | 2 · $1.6M |
| Tachibana Aaron | CFO AND COO | Jun 2019 | Sep 22, 2026 | 7 · $2.9M |
| Moore Stephen Michael | SVP and Chief Legal Officer | Mar 2022 | Sep 22, 2026 | 1 · $0.00 |
Directorssales are open-market, Nov 4, 2025 to Nov 4, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Eastham Karin | director | Sep 2019 | Jun 11, 2026 | none |
| Bloom Olivia Kyusuk | director | Mar 2022 | May 14, 2026 | none |
| Bowman A Blaine | director | Jun 2019 | May 14, 2026 | none |
| Myers Woodrow A Jr | director | Mar 2021 | May 14, 2026 | none |
| Shoff Lonnie | director | Aug 2022 | May 14, 2026 | none |
| Widder Kenneth J | director | Jun 2023 | May 14, 2026 | none |
Owners of more than 10% of a classsales are open-market, Nov 4, 2025 to Nov 4, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Tempus Ai, Inc. | 10% owner | Dec 2023 | Feb 13, 2026 | none |
Earlier names on the record26, newest filing first
Merck & Co., Inc. · 10% owner · last filing Dec 2024Merck Sharp & Dohme LLC · 10% owner · last filing Dec 2024Lefkofsky Eric P · 10% owner · last filing Jul 2024Colowick Alan · director · last filing May 2023West John Stephen · officer · last filing Dec 2022Ludlum Ken · director · last filing May 2022Eggers Barry · 10% owner · last filing Mar 2022Janmohamed Arif · other · last filing Mar 2022Lightspeed General Partner Select IV, L.P. · other · last filing Mar 2022Lightspeed Ultimate General Partner Select IV, L.L.C. · other · last filing Mar 2022Lightspeed Venture Partners Select IV, L.P. · other · last filing Mar 2022Mhatre Ravi · 10% owner · last filing Mar 2022Nieh Peter · 10% owner · last filing Mar 2022Macquitty Jonathan · director · last filing May 2021Abingworth Llp · 10% owner · last filing Oct 2020Liew Jeremy · 10% owner · last filing Aug 2020Balthrop Patrick J · director · last filing May 2020Ricci Paul · director · last filing May 2020Musil Clinton · officer · last filing Mar 2020Ericson William W. · 10% owner · last filing Jun 2019Feiber Jonathan D · 10% owner · last filing Jun 2019Lightspeed General Partner Select, L.P. · 10% owner · last filing Jun 2019Lightspeed General Partner Viii, L.P. · 10% owner · last filing Jun 2019Lightspeed Ultimate General Partner Select, Ltd. · 10% owner · last filing Jun 2019Lightspeed Ultimate General Partner Viii, Ltd. · 10% owner · last filing Jun 2019Lightspeed Venture Partners Select, L.P. · 10% owner · last filing Jun 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.