Personalis, Inc. (PSNL) has 139 open-market insider trades by 13 insiders since 2019. Over the last six months insiders net sold $267K. The most active filer is Richard Chen, President & CMO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Abingworth LLP | — | — | 5 | $55.9M | 2020-10-20 |
| Lightspeed Ultimate General Partner Select IV, L.L.C. | — | — | 1 | $25.0M | 2020-08-14 |
| Tempus AI, Inc. | 10% Owner | — | 2 | $20.5M | 2025-12-22 |
| Arif Janmohamed | — | — | 1 | $12.7M | 2020-06-02 |
| John Stephen West | CEOPres | — | 8 | $11.0M | 2022-12-14 |
| Richard Chen | PresCMO | — | 52 | $6.6M | 2026-09-18 |
| Peter Nieh | — | — | 1 | $6.2M | 2022-03-03 |
| Aaron Tachibana | COOCFO | — | 44 | $1.9M | 2026-09-18 |
| Ken Ludlum | Dir | — | 2 | $1.6M | 2022-05-17 |
| Christopher M. Hall | CEO | — | 4 | $957K | 2026-09-18 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Stephen Michael Moore | CLO & VP | Sell | $34K | 2026-09-18 |
| Richard Chen | President & CMO | Sell | $65K | 2026-09-18 |
| Aaron Tachibana | COO & CFO | Sell | $48K | 2026-09-18 |
| Christopher M. Hall | CEO | Sell | $121K | 2026-09-18 |
| Richard Chen | President & CMO | Sell | $1.5M | 2026-07-15 |
| Christopher M. Hall | CEO | Sell | $1.5M |
Companies that share insiders with PSNL, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-07-09 |
| Aaron Tachibana | COO & CFO | Sell | $70K | 2026-06-29 |
| Aaron Tachibana | COO & CFO | Sell | $675K | 2026-06-26 |
| Christopher M. Hall | CEO | Sell | $1.3M | 2026-06-26 |
| Aaron Tachibana | COO & CFO | Sell | $480K | 2026-06-04 |
| Aaron Tachibana | COO & CFO | Sell | $449K | 2026-05-29 |
| Christopher M. Hall | CEO | Sell | $1.1M | 2026-05-28 |
| Aaron Tachibana | COO & CFO | Sell | $14K | 2026-01-22 |
| Aaron Tachibana | COO & CFO | Sell | $2.2M | 2025-11-25 |
| Tempus AI, Inc. | 10% Owner | Buy | $2.7M | 2025-11-18 |