This 144 is a scheduled execution under a long-standing 10b5-1 plan, not a discretionary bearish signal. The filing does not alter the fundamental thesis. Monitor for any accelerated selling outside the plan or insider departures.
Price Chart
Executive Summary
Personalis CFO Aaron Tachibana filed a Form 144 on June 26, 2026, to sell 51,251 shares of common stock, valued at approximately $645,250, via a pre-arranged 10b5-1 trading plan. The plan also shows two prior sales within the last 60 days totaling $929,857. This is a planned, non-discretionary sale under a Rule 10b5-1 plan and does not signal a change in outlook.
Key Facts
- CFO Aaron Tachibana filed a Form 144 to sell 51,251 shares valued at ~$645,250.
- The sale is executed under a pre-established 10b5-1 trading plan dated August 7, 2025.
- Two prior plan sales occurred in May and June 2026 (78,799 shares for ~$929,857).
- Total planned sale value is ~$645,250, which is modest relative to the company's $1.3B market cap (~0.05%).
- The sale is via Morgan Stanley Smith Barney for cash proceeds from the exercise of stock options.
Financial Impact
Sale of 51,251 shares at ~$645,250 — less than 0.05% of market cap; immaterial dilution risk.
Risk Factors
- Broader insider selling pattern if other executives file 144s outside their plans.
- Stock price weakness from mechanical selling, though the size is small.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-006545 |
| Document: 0001950047-26-006545-index.html | 0001950047-26-006545 |
| Document: 0001950047-26-006545.txt | 0001950047-26-006545 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 9, 2026 7w ago | Institutional Cluster | $14.50 $16.60 | ▲ +14.48% | ▲ +15.40% | $16.28 (+12.28%) |
Jul 20, 2026 10w ago | 425 | $13.44 $13.91 | ▲ +3.50% | ▲ +0.94% | $16.28 (+21.13%) |
Jul 20, 2026 10w ago | 8-K | $13.44 $13.91 | ▲ +3.50% | ▲ +0.94% | $16.28 (+21.13%) |
Jul 20, 2026 10w ago | 425 | $13.34 $13.89 | ▲ +4.12% | ▲ +0.00% | $16.28 (+22.04%) |
Jul 20, 2026 10w ago | 8-K | $13.34 $13.89 | ▲ +4.12% | ▲ +0.00% | $16.28 (+22.04%) |
Jul 16, 2026 11w ago | Insider Cluster | $15.58 $14.42 | ▼ −7.45% | ▼ −11.06% | $16.28 (+4.49%) |
Jun 29, 2026 13w ago | 144 | $13.40 $11.98 | ▼ −10.60% | ▼ −9.57% | $16.28 (+21.49%) |
Jun 26, 2026 14w ago | 144 | $13.75 $11.78 | ▼ −14.33% | ▼ −14.05% | $16.28 (+18.40%) |
Jun 26, 2026 14w ago | 144 | $13.75 $11.78 | ▼ −14.33% | ▼ −14.05% | $16.28 (+18.40%) |
Jun 6, 2026 16w ago | Insider Cluster | $10.04 $14.34 | ▲ +42.83% | ▲ +41.20% | $16.28 (+62.15%) |
US Market Status
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