PSNL
Personalis, Inc. · Healthcare · Market cap $1.7B
Insiders sold $5.4M net in the last 90 days ·4 sellers, 0 buyers· 5 of 9 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 22, 2026
Insider Buying
$2.7M
reported purchases (SEC code P)
Insider Selling
$8.8M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Sep 22, 2026
Tachibana Aaron
Personalis, Inc. (PSNL) has 27 SEC Form 4 filings (51 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Sep 22, 2026.
Inside the rolling window, 5 insiders at Personalis, Inc. reported 10 open-market purchases totaling $2.7M and 16 open-market sales totaling $8.8M. The most active filer is 10% Owner Tempus AI, Inc. with 10 filings. Insiders have net sold $7.4M over the trailing 6 months. The most recent open-market filing is a sale of 2,931 shares by CFO AND COO Tachibana Aaron, dated Sep 18, 2026, worth $48K.
- Industry:Medical - Diagnostics & Research
- CEO:Christopher Hall
- Employees:260
- HQ:Fremont, CA, US
- IPO:2019-06-20
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CFO AND COO | Sale | 2,931 | $48K | Sep 22 | -2.8% | SEC ↗ | |
Moore Stephen MichaelFirst filing | SVP and Chief Legal Officer | Sale | 2,068 | $34K | Sep 22 | -2.8% | SEC ↗ |
| President and CMO | Sale | 3,998 | $65K | Sep 22 | -2.8% | SEC ↗ | |
| Chief Executive Officer | Sale | 7,459 | $121K | Sep 22 | -2.8% | SEC ↗ | |
Chen RichardFirst filing | President and CMO | Sale | 100,000 | $1.5M | Jul 16 | +2.1% | SEC ↗ |
| Chief Executive Officer | Sale | 100,000 | $1.5M | Jul 10 | +13.0% | SEC ↗ | |
| CFO AND COO | Sale | 4,982 | $70K | Jun 29 | +15.6% | SEC ↗ | |
| CFO AND COO | Sale | 51,251 | $675K | Jun 26 | +22.1% | SEC ↗ | |
| Chief Executive Officer | Sale | 100,000 | $1.3M | Jun 26 | +22.1% | SEC ↗ | |
| CFO AND COO | Sale | 40,000 | $480K | Jun 6 | +58.4% | SEC ↗ | |
Hall Christopher MFirst in 7 months | Chief Executive Officer | Sale | 19,909 | $219K | May 30 | — | SEC ↗ |
Hall Christopher MFirst in 7 months | Chief Executive Officer | Sale | 80,091 | $883K | May 30 | — | SEC ↗ |
Tachibana AaronFirst in 4 months | CFO AND COO | Sale | 38,799 | $449K | May 30 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 64,750 | $497K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 30,645 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 28,827 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 26,499 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 25,225 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 23,600 | $251K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 31,650 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 31,430 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 29,641 | $249K | Feb 13 | — | SEC ↗ |
Tempus AI, Inc.First filing | 10% Owner | Purchase | 28,000 | $250K | Feb 13 | — | SEC ↗ |
| CFO AND COO | Sale | 1,201 | $14K | Jan 23 | — | SEC ↗ | |
Tachibana AaronFirst filing | CFO AND COO | Sale | 103,668 | $1.1M | Nov 28 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading PSNL 3 all-time
- RRep. Brian Jeffrey MastOther$15,001 - $50,0002020-05-19
- RRep. Brian Jeffrey MastOther$1,001 - $15,0002020-04-22
- RRep. Brian Jeffrey MastPurchase$15,001 - $50,0002020-02-14
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does PSNL have?
Personalis, Inc. (PSNL) has 27 SEC Form 4 filings (51 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Sep 22, 2026.
When was the most recent SEC Form 4 filing for PSNL?
The most recent Form 4 filing for PSNL on Tracefour is dated Sep 22, 2026.
Who is the most active insider at PSNL?
The most active SEC Form 4 filer at PSNL in the rolling window is 10% Owner Tempus AI, Inc., with 10 filings.
What is the net insider flow at PSNL over the last 6 months?
Over the trailing 180 days, insiders at PSNL have net sold $7.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PSNL in the current window?
Inside the rolling window, insiders at PSNL bought $2.7M and sold $8.8M based on SEC Form 4 filings.
Can I get alerts for PSNL insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Personalis, Inc. (PSNL). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Personalis, Inc. is in the Healthcare sector.