Emily M. Leproust sold $56M of TWST
Chief Executive Officer at Twist Bioscience Corp. 356,546 shares at an average of $157.99, traded Sep 17, 2026, filed Sep 21, 2026.
Score components
- +25RoleCEO
- +25Trade size$56.3M at market
- +10Share of holdings soldSold 36% of holdings
- +15Cluster4 insiders 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.
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 0001214659-26-011832, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | MOption exercise Common Stock10b5-1 | +133,269 | $26.66 | $3.6M | 901,696 | 21 d ago |
| Sep 17, 2026 | MOption exercise Common Stock10b5-1 | +75,439 | $8.82 | $665k | 977,135 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -2,440 | $151.46 | $370k | 974,695 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -6,644 | $152.21 | $1.0M | 968,051 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -3,399 | $153.40 | $521k | 964,652 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -4,175 | $154.17 | $644k | 960,477 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -13,378 | $155.46 | $2.1M | 947,099 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -9,097 | $156.47 | $1.4M | 938,002 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -32,260 | $157.49 | $5.1M | 905,742 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -232,173 | $158.09 | $37M | 673,569 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -23,884 | $159.53 | $3.8M | 649,685 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -14,493 | $160.44 | $2.3M | 635,192 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -11,169 | $161.49 | $1.8M | 624,023 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -2,565 | $162.31 | $416k | 621,458 | 21 d ago |
| Sep 17, 2026 | SOpen-market sale Common Stock10b5-1 | -869 | $163.39 | $142k | 620,589 | 21 d ago |
| Sep 17, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -75,439 | $0.00 | $0 | 0 | 21 d ago |
| Sep 17, 2026 | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -133,269 | $0.00 | $0 | 0 | 21 d ago |
Related signals
Other insiders at Twist Bioscience Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 44Moderate | 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% | |
| 37Weak | Twist Bioscience Corp | Paula Green SVP of Human Resources | $49k 294 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.