Greedy Insider
TWST Insider Trades and Greediness Scores
Twist Bioscience Corp (TWST) insider trades: since Dec 8, 2025, Greedy Insider recorded 0 open-market buys and 166 sales on Form 4 from 10 insiders. The strongest recent filing scored 94 (Strong).
Who bought and who sold
Across the last 166 scoreable Form 4 transactions in TWST, 0 were open-market purchases and 166 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Laponis Adam | CFO | Sell | 2462.0 | 384822.66 | 2026-10-09 | 85 | View |
| Leproust Emily M. | CEO | Sell | 1840.0 | 368805.75 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 481.0 | 96803.945 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 1017.0 | 205763.1 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 432.0 | 87958.31 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 297.0 | 61115.83 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 45.0 | 9335.502 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 290.0 | 59391.883 | 2026-10-05 | 74 | View |
| Leproust Emily M. | CEO | Sell | 146.0 | 30199.355 | 2026-10-05 | 74 | View |
| Cho Dennis | See Remarks | Sell | 9514.0 | 1797042.4 | 2026-10-02 | 81 | View |
The strongest recent filing
Finn Patrick John (President) sold 25,714 shares of Twist Bioscience Corp on Oct 2, 2026, a filing that scored 94 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 6 insiders (Laponis Adam, Leproust Emily M., Cho Dennis, Finn Patrick John) traded TWST the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Twist Bioscience Corp's own history
Open-market buys make up 0% of the 166 scoreable TWST transactions on record between Dec 8, 2025 and Oct 9, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 166
- Open-market buys: 0
- Sales: 166
- Distinct insiders: 10
- Strongest recent Greediness Score: 94 (Strong)
Primary sources
Related
- Strongest filing
- TWST in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.