TWST Twist Bioscience Corporation
Twist Bioscience Corporation (TWST) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 99% planned / 1% discretionary
Largest single sale: $36.7M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Leproust Emily M. 10 fills | Chief Executive Officer | Sell 10b5-1 | 5,203 | $177.38 | $922.9K | 616,417 −0.8% of holding | |
| Leproust Emily M. | Chief Executive Officer | Sell | 1,687 | $165.49 | $279.2K | 618,902 −0.3% of holding | |
| Cho Dennis | See Remarks | Sell | 348 | $165.49 | $57.6K | 73,303 −0.5% of holding | |
| Green Paula | SVP of Human Resources | Sell | 294 | $165.49 | $48.7K | 116,720 −0.3% of holding | |
| Leproust Emily M. 13 fills | Chief Executive Officer | Sell 10b5-1 | 356,546 | $157.99 | $56.3M | 974,695 −26.8% of holding | |
| Leproust Emily M. | Chief Executive Officer | Sell | 2,302 | $122.62 | $282.3K | 768,427 −0.3% of holding | |
| Green Paula | SVP of Human Resources | Sell | 907 | $122.62 | $111.2K | 117,014 −0.8% of holding | |
| Cho Dennis | See Remarks | Sell | 412 | $122.62 | $50.5K | 73,651 −0.6% of holding | |
| WERNER ROBERT F. | Chief Accounting Officer | Sell | 238 | $122.62 | $29.2K | 44,399 −0.5% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.