Personalis, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Personalis, Inc. (PSNL), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are PSNL insiders buying or selling?
In the last 12 months, Personalis, Inc. insiders reported 1 open-market purchase ($2.7M) and 15 sales ($8.8M) — net selling of $6.0M. Since June 2019, Trabud has recorded 153 Form 4 filings for PSNL: 8 buys ($56.8M) and 145 sells ($67.3M).
Source: SEC EDGAR Form 4
Key Statistics (June 2019 – Sep 22, 2026)
Total Form 4 filings
153
SEC EDGAR
Insider filers
11
Insider buys (8)
$56.8M
Insider sells (145)
$67.3M
Insider sentiment
Net sellingNet insider flow of $10.5M in net selling since June 2019, and $6.0M in net selling over the last 12 months.
Recent PSNL insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 22, 2026 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 2.1K | $16.22 | $33.5K | SEC ↗ |
| Sep 22, 2026 | Richard Chen | President and CMO | Sale | 4.0K | $16.22 | $64.8K | SEC ↗ |
| Sep 22, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 7.5K | $16.22 | $121.0K | SEC ↗ |
| Sep 22, 2026 | Aaron Tachibana | CFO AND COO | Sale | 2.9K | $16.22 | $47.5K | SEC ↗ |
| Jul 16, 2026 | Richard Chen | President and CMO | Sale | 100.0K | $15.15 | $1.5M | SEC ↗ |
| Jul 10, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $15.08 | $1.5M | SEC ↗ |
| Jun 29, 2026 | Aaron Tachibana | CFO AND COO | Sale | 5.0K | $14.00 | $69.7K | SEC ↗ |
| Jun 26, 2026 | Aaron Tachibana | CFO AND COO | Sale | 51.3K | $13.18 | $675.5K | SEC ↗ |
| Jun 26, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $13.15 | $1.3M | SEC ↗ |
| Jun 6, 2026 | Aaron Tachibana | CFO AND COO | Sale | 40.0K | $12.01 | $480.4K | SEC ↗ |
| May 30, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $11.02 | $1.1M | SEC ↗ |
| May 30, 2026 | Aaron Tachibana | CFO AND COO | Sale | 38.8K | $11.58 | $449.3K | SEC ↗ |
| Feb 13, 2026 | Tempus AI, Inc. | 10% Owner | Purchase | 320.3K | $8.55 | $2.7M | SEC ↗ |
| Jan 23, 2026 | Aaron Tachibana | CFO AND COO | Sale | 1.2K | $11.50 | $13.8K | SEC ↗ |
| Nov 28, 2025 | Aaron Tachibana | CFO AND COO | Sale | 103.7K | $10.78 | $1.1M | SEC ↗ |
| Nov 5, 2025 | Christopher M Hall | PRESIDENT AND CEO | Sale | 29.6K | $8.99 | $266.2K | SEC ↗ |
| Jul 30, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 452 | $6.57 | $3.0K | SEC ↗ |
| Jul 30, 2025 | Aaron Tachibana | CFO AND COO | Sale | 641 | $6.57 | $4.2K | SEC ↗ |
| May 20, 2025 | Aaron Tachibana | CFO AND COO | Sale | 1.3K | $4.95 | $6.4K | SEC ↗ |
| May 20, 2025 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 1.7K | $4.95 | $8.3K | SEC ↗ |
| May 20, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 910 | $4.95 | $4.5K | SEC ↗ |
| Jan 30, 2025 | Aaron Tachibana | CFO AND COO | Sale | 708 | $5.79 | $4.1K | SEC ↗ |
| Jan 30, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 519 | $5.79 | $3.0K | SEC ↗ |
| Dec 18, 2024 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 4.8K | $3.82 | $18.5K | SEC ↗ |
| Dec 18, 2024 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 1.5K | $3.82 | $5.8K | SEC ↗ |
Showing the 25 most recent of 153 Form 4 filings for Personalis, Inc..
Most active PSNL insiders
- Richard Chen56 filings
- Aaron Tachibana49 filings
- Stephen Michael Moore17 filings
- John Stephen West10 filings
- Christopher M Hall7 filings
Ask anything about PSNL insider activity
Use Trabud's AI agent to query Personalis, Inc.'s Form 4 history in plain English — "Show me PSNL CEO purchases this year" or compare it against any other ticker.
Open the AI agentPSNL insider trading FAQ
Are Personalis, Inc. insiders buying or selling?
In the last 12 months, Personalis, Inc. insiders reported 1 open-market purchase ($2.7M) and 15 sales ($8.8M) — net selling of $6.0M. Since June 2019, Trabud has recorded 153 Form 4 filings for PSNL: 8 buys ($56.8M) and 145 sells ($67.3M). Over the full record that is net selling of $10.5M.
How many insiders trade PSNL stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Personalis, Inc.. The most recent filing was accepted on Sep 22, 2026.
Where does Trabud get PSNL insider trading data?
All PSNL insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.