The filing is routine and not actionable. Monitor for any material changes in the 10b5-1 plan or unexpected acceleration of insider sales, which could signal a shift in management's outlook.
Price Chart
Executive Summary
Officer Aaron Tachibana filed a Form 144 notice of intent to sell 4,982 shares of Personalis common stock, valued at approximately $64,866, as part of a pre-arranged 10b5-1 trading plan. The sale is small relative to the $1.4B market cap and follows a pattern of routine plan sales, with over 130,000 shares sold in the prior two months under the same plan.
Key Facts
- Aaron Tachibana, an officer of Personalis, filed Form 144 to sell 4,982 shares.
- Proposed sale value approximately $64,866 based on June 29, 2026 market price.
- Sale is part of a 10b5-1 plan; prior plan sales in May-June 2026 totaled ~130,000 shares for ~$1.6M.
- Market cap is $1.4B, making the proposed sale de minimis.
Financial Impact
Sale of ~$65k in stock; negligible relative to market cap of $1.4B.
Risk Factors
- No material risks identified; insider sales are pre-planned and small.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-006609 |
| Document: 0001950047-26-006609-index.html | 0001950047-26-006609 |
| Document: 0001950047-26-006609.txt | 0001950047-26-006609 |
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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