Personalis, Inc. (PSNL) is a publicly traded company in the Unknown sector. Across all available filings, 22 corporate insiders have executed 244 transactions totaling $113.8M, demonstrating a bearish sentiment with -$5.6M in net insider flow. The most recent transaction on Feb 23, 2026 involved a transaction of 33,333 shares valued at $0.
No significant insider buying has been recorded for PSNL in the recent period.
No significant insider selling has been recorded for PSNL in the recent period.
Based on recent SEC filings, insider sentiment for PSNL is bearish with an Insider Alignment Score of 48/100 and a net flow of -$5.6M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Personalis, Inc. (PSNL) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 22 insiders are actively trading PSNL stock, having executed 244 transactions in the past 90 days. The most active insider is Llp Abingworth (Executive), who has made 11 transactions totaling $38.5M.
Get notified when executives and directors at PSNL file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 23, 2026 | M. Hall Christopher | Executive | Award | 33,333 | $N/A | $0 | |
| Feb 23, 2026 | Michael Moore Stephen | SVP and Chief Legal Officer | Award | 8,333 | $N/A | $0 | |
| Jan 22, 2026 | Tachibana Aaron | CFO AND COO | Option Exercise | 1,201 | $N/A | $0 | C-Suite |
| Jan 22, 2026 | Tachibana Aaron | CFO AND COO | Sale | 1,201 | $11.50 | $13.8K | C-Suite |
| Jan 22, 2026 | Tachibana Aaron | CFO AND COO | Option Exercise | 1,201 | $9.16 | $11.0K | C-Suite |
| Nov 25, 2025 | Tachibana Aaron | Executive | Option Exercise | 103,668 | $9.16 | $949.6K | Large |
| Nov 25, 2025 | Tachibana Aaron | Executive | Sale | 103,668 | $10.78 | $1.1M | Large |
| Nov 3, 2025 | M. Hall Christopher | Executive | Sale | 29,612 | $8.99 | $266.2K | |
| Jul 28, 2025 | Tachibana Aaron | Executive | Sale | 641 | $6.57 | $4.2K | |
| Jul 28, 2025 | Chen Richard | Executive | Sale | 452 | $6.57 | $3.0K | |
| Aug 16, 2024 | Inc. Tempus Ai, | Executive | Exercise | 4,609,400 | $1.50 | $6.9M | Large |
| Aug 16, 2024 | Inc. Tempus Ai, | Executive | Exercise | 4,609,400 | $2.50 | $11.5M | Large |
| Aug 16, 2024 | Inc. Tempus Ai, | Executive | Purchase | 3,500,000 | $5.07 | $17.7M | Large |
| Jul 30, 2024 | Tachibana Aaron | Executive | Sale | 742 | $2.97 | $2.2K | |
| Jul 30, 2024 | Chen Richard | Executive | Sale | 524 | $2.97 | $1.6K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 138 | $59.7M | 42.6% |
Purchase(P) | 11 | $54.1M | 38.6% |
Exercise (Options)(X) | 2 | $18.4M | 13.2% |
Disposition(D) | 11 | $5.6M | 4.0% |
Exercise(M) | 22 | $1.6M | 1.1% |
Award(A) | 48 | $637.7K | 0.5% |
Conversion(C) | 12 | $0 | 0.0% |
Insider activity at Personalis, Inc. shows mixed signals across all time. While $54.1M in purchases indicates some executive confidence,$59.7M in sales balances the picture, resulting in a modest net flow of -$5.6M.22 insiders have been active, with no strong directional conviction evident in the aggregate data. The most active insider, Llp Abingworth, has transacted $38.5M during this period.