Form 4: Personalis CFO Sells Shares
Insider Transaction (Form 4)
Aaron Tachibana, CFO AND COO of Personalis, Inc., sold 2,931 shares of common stock on September 18, 2026 for $16.22 per share.
Summary
- Open-market sale: disposed of 2,931 Common Stock at $16.22 ($47,541) on September 18, 2026; holds 195,902 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $47,541 of stock on the open market.
Insider Transactions
Aaron Tachibana — Officer (CFO AND COO)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-18 | Open-market sale | Common Stock | 2,931 | $16 | $47.5K | 195,902 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-18 | Open-market sale (2,931 shares) |
Keywords
insider transaction, Form 4, PSNL, Personalis, Inc., bearish, Aaron Tachibana
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