PSNL Personalis, Inc.
Price Chart
Executive Summary
Aaron Tachibana, an officer of Personalis, Inc., filed a Form 144 on June 4, 2026, indicating intent to sell 40,000 shares of common stock with an estimated aggregate market value of $431,200. The shares are to be sold through Morgan Stanley Smith Barney and are sourced from the exercise of stock options. This filing follows a recent 10b5-1 plan sale of 38,799 shares on May 29, 2026, for approximately $449,273, suggesting a pre-planned, systematic disposition.
Actionable Insight
The Form 144 signals a planned insider sale, but the presence of a 10b5-1 plan and the relatively small size relative to market cap suggest routine portfolio diversification rather than a negative signal. Monitor for any acceleration of insider selling or changes in the 10b5-1 plan.
Key Facts
- Officer Aaron Tachibana filed Form 144 to sell 40,000 shares of common stock.
- Estimated aggregate market value of the proposed sale is $431,200.
- Shares are to be sold via Morgan Stanley Smith Barney and sourced from stock option exercises.
- Tachibana executed a 10b5-1 plan sale of 38,799 shares on May 29, 2026, for ~$449,273.
- The filing date is June 4, 2026; the proposed sale is also dated June 4, 2026.
Financial Impact
Proposed sale of 40,000 shares valued at $431,200; represents approximately 0.03% of the company's $1.3B market cap.
Risk Factors
- Insider selling could be perceived negatively by the market if it accelerates or if other insiders follow suit.
- The filing is an intent to sell; the actual sale may not occur, but the signal of intent is already public.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005657 |
| Document: 0001950047-26-005657-index.html | 0001950047-26-005657 |
| Document: 0001950047-26-005657.txt | 0001950047-26-005657 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 6, 2026
9d ago
|
Insider Cluster
| $11.75 awaiting T+5 | awaiting T+5 | — | $9.59 (−18.38%) |
|
Jun 4, 2026
10d ago
|
144
| $12.08 awaiting T+5 | awaiting T+5 | — | $9.59 (−20.61%) |
|
May 30, 2026
16d ago
|
Insider Cluster
| $11.26 $10.75 | ▲ +4.53% | ▲ +1.78% | $9.59 (+14.83%) |
|
May 29, 2026
16d ago
|
144
| $11.26 $10.75 | ▼ −4.53% | ▼ −1.78% | $9.59 (−14.83%) |
|
May 28, 2026
17d ago
|
144
| $11.40 $10.75 | ▲ +5.70% | ▲ +3.18% | $9.59 (+15.88%) |
US Market Status
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