Aaron Tachibana sold $14k of PSNL
CFO AND COO at Personalis, Inc.. 1,201 shares at an average of $11.50, traded Jan 22, 2026, filed Jan 23, 2026.
Score components
- +22RoleCFO
- 0Trade size$14k at market
- 0Share of holdings soldSold 0.7% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -18.6%, 3m -40.0%, 6m +15.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001401786-26-000001, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 22, 2026 | MOption exercise Common Stock10b5-1 | +1,201 | $9.16 | $11k | 165,659 | Jan 23, 2026 |
| Jan 22, 2026 | SOpen-market sale Common Stock10b5-1 | -1,201 | $11.50 | $14k | 164,458 | Jan 23, 2026 |
| Jan 22, 2026 | MOption exercise Stock Option (right to buy)derivative10b5-1 | -1,201 | $0.00 | $0 | 107,631 | Jan 23, 2026 |
Related signals
Other insiders at Personalis, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 43Moderate | Personalis, Inc. | Richard Chen President and CMO | $65k 3,998 shares | -2% | |
| 50Moderate | Personalis, Inc. | Christopher M Hall Chief Executive Officer | $121k 7,459 shares | -3% | |
| 36Weak | Personalis, Inc. | Stephen Michael Moore SVP and Chief Legal Officer | $34k 2,068 shares | -2% | |
| 44Moderate | Personalis, Inc. | Aaron Tachibana CFO AND COO | $48k 2,931 shares | -1% | |
| 28Weak | Personalis, Inc. | Richard Chen President and CMO | $1.5M 100,000 shares | -37% | |
| 40Moderate | Personalis, Inc. | Christopher M Hall Chief Executive Officer | $1.5M 100,000 shares | -30% | |
| 3Weak | Personalis, Inc. | Aaron Tachibana CFO AND COO | $70k 4,982 shares | -2% | |
| 33Weak | Personalis, Inc. | Christopher M Hall Chief Executive Officer | $1.3M 100,000 shares | -30% | |
| 20Weak | Personalis, Inc. | Aaron Tachibana CFO AND COO | $675k 51,251 shares | -20% | |
| 18Weak | Personalis, Inc. | Aaron Tachibana CFO AND COO | $480k 40,000 shares | -17% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.