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 |
|---|---|---|---|---|---|---|
| 2026-10-02 | Cho Dennis See Remarks | Sale | −9,514 | $188.88 | $1.8M | 63,789 |
| 2026-10-01 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −655 | $200.00 | $131K | 613,044 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −2,485 | $175.23 | $435K | 616,417 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −945 | $176.39 | $167K | 615,472 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −164 | $177.17 | $29K | 615,308 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −330 | $178.67 | $59K | 614,978 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −143 | $179.93 | $26K | 614,835 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −515 | $180.39 | $93K | 614,320 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −21 | $181.45 | $4K | 614,299 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −16 | $182.50 | $3K | 614,283 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −501 | $183.76 | $92K | 613,782 |
| 2026-09-24 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −83 | $184.60 | $15K | 613,699 |
| 2026-09-21 | Cho Dennis See Remarks | Sale | −348 | $165.49 | $58K | 73,303 |
| 2026-09-21 | Green Paula SVP of Human Resources | Sale | −294 | $165.49 | $49K | 116,720 |
| 2026-09-21 | Leproust Emily M. Chief Executive Officer | Sale | −1,687 | $165.49 | $279K | 618,902 |
| 2026-09-17 | Leproust Emily M. Chief Executive Officer | Option exercise 10b5-1 | +133,269 | $26.66 | $3.6M | 901,696 |
| 2026-09-17 | Leproust Emily M. Chief Executive Officer | Option exercise 10b5-1 | +75,439 | $8.82 | $665K | 977,135 |
| 2026-09-17 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −2,440 | $151.46 | $370K | 974,695 |
| 2026-09-17 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −6,644 | $152.21 | $1.0M | 968,051 |
| 2026-09-17 | Leproust Emily M. Chief Executive Officer | Sale 10b5-1 | −3,399 | $153.40 | $521K | 964,652 |
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