TWSTHealthcareMid-Cap
Twist Bioscience Corp Insider Trading Activity
Every SEC Form 4 insider transaction reported for Twist Bioscience Corp (TWST), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are TWST insiders buying or selling?
Twist Bioscience Corp insiders reported 4 open-market buys ($2.5M) and 497 sells ($286.6M) across 501 Form 4 filings — a net selling position of $284.1M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 27, 2026)
Total Form 4 filings
501
SEC EDGAR
Insider filers
19
Insider buys (4)
$2.5M
Insider sells (497)
$286.6M
Insider sentiment
Net sellingNet insider flow of $284.1M in net selling.
Recent TWST insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 41.6K | $151.98 | $6.3M |
| Aug 25, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 1.6K | $139.07 | $222.2K |
| Aug 25, 2026 | Patrick John Finn | President and COO | Sale | 4.0K | $139.07 | $562.7K |
| Aug 25, 2026 | Paula Green | SVP of Human Resources | Sale | 1.4K | $139.07 | $189.1K |
| Aug 25, 2026 | Adam Laponis | Chief Financial Officer | Sale | 2.0K | $139.07 | $273.3K |
| Aug 25, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 6.6K | $139.07 | $923.3K |
| Aug 25, 2026 | Robert F. Werner | Chief Accounting Officer | Sale | 1.5K | $140.02 | $213.3K |
| Aug 21, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 14.2K | $129.75 | $1.8M |
| Aug 20, 2026 | Patrick John Finn | President and COO | Sale | 78.4K | $117.64 | $9.2M |
| Aug 14, 2026 | Katryn Blake | Director | Sale | 2.2K | $122.88 | $275.3K |
| Aug 14, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 20.0K | $125.08 | $2.5M |
| Aug 12, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 113.3K | $125.16 | $14.2M |
| Aug 11, 2026 | Robert Chess | Director | Sale | 18.4K | $110.89 | $2.0M |
| Aug 7, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 14.2K | $109.75 | $1.6M |
| Aug 5, 2026 | Patrick John Finn | President and COO | Sale | 2.9K | $85.32 | $246.4K |
| Aug 5, 2026 | Paula Green | SVP of Human Resources | Sale | 1.1K | $85.32 | $96.7K |
| Aug 5, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 5.1K | $85.32 | $435.2K |
| Aug 5, 2026 | Robert F. Werner | Chief Accounting Officer | Sale | 167 | $85.32 | $14.2K |
| Aug 5, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 1.1K | $85.32 | $91.3K |
| Jul 27, 2026 | Patrick John Finn | President and COO | Sale | 2.2K | $93.89 | $210.1K |
| Jul 13, 2026 | Adam Laponis | Chief Financial Officer | Sale | 2.4K | $94.33 | $226.3K |
| Jun 26, 2026 | Emily M. Leproust | Chief Executive Officer | Sale | 18.9K | $95.00 | $1.8M |
| Jun 26, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 14.2K | $89.75 | $1.3M |
| Jun 24, 2026 | Paula Green | SVP of Human Resources | Sale | 291 | $87.32 | $25.4K |
| Jun 24, 2026 | Dennis Cho | Senior Vice President, Chief Legal Officer & Corporate Secretary | Sale | 346 | $87.32 | $30.2K |
Showing the 25 most recent of 501 Form 4 filings for Twist Bioscience Corp.
Most active TWST insiders
- Emily M. Leproust90 filings
- Patrick John Finn75 filings
- Dennis Cho63 filings
- Paula Green61 filings
- William Banyai44 filings
Ask anything about TWST insider activity
Use Trabud's AI agent to query Twist Bioscience Corp's Form 4 history in plain English — "Show me TWST CEO purchases this year" or compare it against any other ticker.
Open the AI agentTWST insider trading FAQ
Are Twist Bioscience Corp insiders buying or selling?
Across 501 SEC Form 4 filings, Twist Bioscience Corp (TWST) insiders reported 4 open-market purchases totaling $2.5M and 497 sales totaling $286.6M. That is a net selling position of $284.1M.
How many insiders trade TWST stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Twist Bioscience Corp. The most recent filing was accepted on Aug 27, 2026.
Where does Trabud get TWST insider trading data?
All TWST insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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