CIK 0001581280 · Large accelerated filer
Twist Bioscience Corp
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- TWST
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Sep 30
- Incorporated
- DE
- Entity type
- operating
- EIN
- 462058888
- Phone
- 800-719-0671
- Business address
- 681 GATEWAY BLVD., SOUTH SAN FRANCISCO, CA, 94080
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $99,863,292
- in 32 filings, $84.3M under 10b5-1 plans
Net −$99,863,292. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-03 | Cho Dennis See Remarks | Sale | −949 | $135.40 | $128K | 62,840 |
| 2026-11-03 | Finn Patrick John President and COO | Sale | −2,565 | $135.40 | $347K | 180,278 |
| 2026-11-03 | Green Paula SVP of Human Resources | Sale | −1,007 | $135.40 | $136K | 105,625 |
| 2026-11-03 | Leproust Emily M. Chief Executive Officer | Sale | −4,573 | $135.40 | $619K | 558,187 |
| 2026-11-03 | WERNER ROBERT F. Chief Accounting Officer | Sale | −148 | $135.40 | $20K | 42,769 |
| 2026-10-23 | Finn Patrick John President and COO | Sale | −2,245 | $134.59 | $302K | 182,843 |
| 2026-10-09 | Laponis Adam Chief Financial Officer | Sale | −2,462 | $156.30 | $385K | 98,114 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −1,840 | $200.44 | $369K | 565,468 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −481 | $201.26 | $97K | 564,987 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −1,017 | $202.32 | $206K | 563,970 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −432 | $203.61 | $88K | 563,538 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −290 | $204.80 | $59K | 563,248 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −297 | $205.78 | $61K | 562,951 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −146 | $206.84 | $30K | 562,805 |
| 2026-10-05 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −45 | $207.46 | $9K | 562,760 |
| 2026-10-02 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −45,736 | $188.88 | $8.6M | 567,308 |
| 2026-10-02 | WERNER ROBERT F. Chief Accounting Officer | Sale | −1,482 | $188.88 | $280K | 42,917 |
| 2026-10-02 | Laponis Adam Chief Financial Officer | Sale | −8,057 | $188.88 | $1.5M | 100,576 |
| 2026-10-02 | Green Paula SVP of Human Resources | Sale | −10,088 | $188.88 | $1.9M | 106,632 |
| 2026-10-02 | Finn Patrick John President and COO | Sale | −25,714 | $188.88 | $4.9M | 185,088 |
Page 1 of 10 · 194 trades