PSNLHealthcareSmall-Cap
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 Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are PSNL insiders buying or selling?
Personalis, Inc. insiders reported 8 open-market buys ($56.8M) and 141 sells ($67.1M) across 149 Form 4 filings — a net selling position of $10.3M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 16, 2026)
Total Form 4 filings
149
SEC EDGAR
Insider filers
11
Insider buys (8)
$56.8M
Insider sells (141)
$67.1M
Insider sentiment
Net sellingNet insider flow of $10.3M in net selling.
Recent PSNL insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 16, 2026 | Richard Chen | President and CMO | Sale | 100.0K | $15.15 | $1.5M |
| Jul 10, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $15.08 | $1.5M |
| Jun 29, 2026 | Aaron Tachibana | CFO AND COO | Sale | 5.0K | $14.00 | $69.7K |
| Jun 26, 2026 | Aaron Tachibana | CFO AND COO | Sale | 51.3K | $13.18 | $675.5K |
| Jun 26, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $13.15 | $1.3M |
| Jun 6, 2026 | Aaron Tachibana | CFO AND COO | Sale | 40.0K | $12.01 | $480.4K |
| May 30, 2026 | Christopher M Hall | Chief Executive Officer | Sale | 100.0K | $11.02 | $1.1M |
| May 30, 2026 | Aaron Tachibana | CFO AND COO | Sale | 38.8K | $11.58 | $449.3K |
| Feb 13, 2026 | Tempus AI, Inc. | 10% Owner | Purchase | 320.3K | $8.55 | $2.7M |
| Jan 23, 2026 | Aaron Tachibana | CFO AND COO | Sale | 1.2K | $11.50 | $13.8K |
| Nov 28, 2025 | Aaron Tachibana | CFO AND COO | Sale | 103.7K | $10.78 | $1.1M |
| Nov 5, 2025 | Christopher M Hall | PRESIDENT AND CEO | Sale | 29.6K | $8.99 | $266.2K |
| Jul 30, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 452 | $6.57 | $3.0K |
| Jul 30, 2025 | Aaron Tachibana | CFO AND COO | Sale | 641 | $6.57 | $4.2K |
| May 20, 2025 | Aaron Tachibana | CFO AND COO | Sale | 1.3K | $4.95 | $6.4K |
| May 20, 2025 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 1.7K | $4.95 | $8.3K |
| May 20, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 910 | $4.95 | $4.5K |
| Jan 30, 2025 | Aaron Tachibana | CFO AND COO | Sale | 708 | $5.79 | $4.1K |
| Jan 30, 2025 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 519 | $5.79 | $3.0K |
| Dec 18, 2024 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 4.8K | $3.82 | $18.5K |
| Dec 18, 2024 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 1.5K | $3.82 | $5.8K |
| Dec 18, 2024 | Aaron Tachibana | CFO AND COO | Sale | 6.9K | $3.82 | $26.2K |
| Nov 20, 2024 | Aaron Tachibana | CFO AND COO | Sale | 1.3K | $3.79 | $5.0K |
| Nov 20, 2024 | Stephen Michael Moore | SVP and Chief Legal Officer | Sale | 1.7K | $3.79 | $6.4K |
| Nov 20, 2024 | Richard Chen | CHIEF MEDICAL OFFICER AND EVP | Sale | 921 | $3.79 | $3.5K |
Showing the 25 most recent of 149 Form 4 filings for Personalis, Inc..
Most active PSNL insiders
- Richard Chen55 filings
- Aaron Tachibana48 filings
- Stephen Michael Moore16 filings
- John Stephen West10 filings
- Christopher M Hall6 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?
Across 149 SEC Form 4 filings, Personalis, Inc. (PSNL) insiders reported 8 open-market purchases totaling $56.8M and 141 sales totaling $67.1M. That is a net selling position of $10.3M.
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 Jul 16, 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.
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