Robert F. Werner sold $328k of TWST
Chief Accounting Officer at Twist Bioscience Corp. 7,175 shares at an average of $45.67, traded Feb 3, 2026, filed Feb 5, 2026.
Score components
- +15RoleOfficer
- +15Trade size$328k at market
- +5Share of holdings soldSold 11% of holdings
- +15Cluster8 insiders selling within 14 days
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 -0.3%, 3m +24.3%, 6m +131.6%.
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 0001214659-26-001239, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Feb 3, 2026 | SOpen-market sale Common Stock | -175 | $46.58 | $8,151 | 65,738 | Feb 5, 2026 |
| Feb 4, 2026 | SOpen-market sale Common Stock | -7,000 | $45.65 | $320k | 58,738 | Feb 5, 2026 |
Related signals
Other insiders at Twist Bioscience Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 20, 2026 | Twist Bioscience Corp | Adam Laponis Chief Financial Officer | $385k 2,462 shares | -2% | |
| Pro nowfree Oct 14, 2026 | Twist Bioscience Corp | Emily M. Leproust Chief Executive Officer | $919k 4,548 shares | -1% | |
| 60Notable | Twist Bioscience Corp | Dennis Cho See Remarks | $1.8M 9,514 shares | -13% | |
| 65Notable | Twist Bioscience Corp | Patrick John Finn President and COO | $4.9M 25,714 shares | -12% | |
| 55Moderate | Twist Bioscience Corp | Paula Green SVP of Human Resources | $1.9M 10,088 shares | -9% | |
| 62Notable | Twist Bioscience Corp | Adam Laponis Chief Financial Officer | $1.5M 8,057 shares | -7% | |
| 45Moderate | Twist Bioscience Corp | Emily M. Leproust Chief Executive Officer | $8.8M 46,391 shares | -8% | |
| 44Moderate | Twist Bioscience Corp | Robert F. Werner Chief Accounting Officer | $280k 1,482 shares | -3% | |
| 44Moderate | Twist Bioscience Corp | Emily M. Leproust Chief Executive Officer | $923k 5,203 shares | -1% | |
| 37Weak | Twist Bioscience Corp | Dennis Cho See Remarks | $58k 348 shares | -0% |
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.