11 insiders reported 52 Form 4 transactions for Personalis, Inc. (PSNL) over the past 18 months (most recent 2026-07-15). Recent activity: Chen Richard (President and CMO) Sell 100,000 shares, Chen Richard (President and CMO) Buy 100,000 shares, Hall Christopher M (Chief Executive Officer) Buy 100,000 shares, Hall Christopher M (Chief Executive Officer) Sell 100,000 shares, Tachibana Aaron (CFO AND COO) Buy 4,982 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-15 | Chen Richard | President and CMO | Sell | 100,000 | $1.5M |
| 2026-07-15 | Chen Richard | President and CMO | Buy | 100,000 | $244,000 |
| 2026-07-09 | Hall Christopher M | Chief Executive Officer | Buy | 100,000 | $161,000 |
| 2026-07-09 | Hall Christopher M | Chief Executive Officer | Sell | 100,000 | $1.5M |
| 2026-06-29 | Tachibana Aaron | CFO AND COO | Buy | 4,982 | $26,504 |
| 2026-06-29 | Tachibana Aaron | CFO AND COO | Sell | 4,982 | $69,748 |
| 2026-06-26 | Tachibana Aaron | CFO AND COO | Buy | 28,832 | $264,101 |
| 2026-06-26 | Hall Christopher M | Chief Executive Officer | Buy | 100,000 | $161,000 |
| 2026-06-26 | Tachibana Aaron | CFO AND COO | Buy | 22,419 | $119,269 |
| 2026-06-26 | Hall Christopher M | Chief Executive Officer | Sell | 100,000 | $1.3M |
| 2026-06-26 | Tachibana Aaron | CFO AND COO | Sell | 51,251 | $675,488 |
| 2026-06-11 | EASTHAM KARIN | Director | Buy | 6,250 | $0 |
| 2026-06-05 | Tachibana Aaron | CFO AND COO | Buy | 40,000 | $366,400 |
| 2026-06-05 | Tachibana Aaron | CFO AND COO | Sell | 40,000 | $480,400 |
| 2026-05-29 | Tachibana Aaron | CFO AND COO | Buy | 38,799 | $355,399 |
| 2026-05-29 | Hall Christopher M | Chief Executive Officer | Buy | 19,909 | $32,053 |
| 2026-05-29 | Tachibana Aaron | CFO AND COO | Sell | 38,799 | $449,292 |
| 2026-05-29 | Hall Christopher M | Chief Executive Officer | Sell | 19,909 | $219,397 |
| 2026-05-29 | Hall Christopher M | Chief Executive Officer | Buy | 80,091 | $128,947 |
| 2026-05-29 | Hall Christopher M | Chief Executive Officer | Sell | 80,091 | $882,603 |
| 2026-05-14 | BOWMAN A BLAINE | Director | Buy | 6,250 | $0 |
| 2026-05-14 | WIDDER KENNETH J | Director | Buy | 6,250 | $0 |
| 2026-05-14 | EASTHAM KARIN | Director | Buy | 6,250 | $0 |
| 2026-05-14 | MYERS WOODROW A JR | Director | Buy | 6,250 | $0 |
| 2026-05-14 | Shoff Lonnie | Director | Buy | 6,250 | $0 |
Source: SEC Form 4 filings · as of 2026-07-15