Summary
Updated Aug 31, 2026
Dennis Cho is Senior Vice President, Chief Legal Officer & Corporate Secretary of Twist Bioscience Corp (TWST). 36 SEC Form 4 filings on record going back to 2024, most recently on 25 August 2026. Most recent open-market trade: sold $222K of TWST on 25 August 2026. Lifetime open-market sales: $7.41M.
Recent Transactions
20Every recent SEC Form 4 transaction Dennis Cho has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Dennis Cho go back to 2024: 36 primary Form 4 filings, an average of 12.0 per year. 5 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Dennis Cho files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Emily M. Leproust - $35.18M of TWST open-market activity in the last 12 months
- Patrick John Finn - $17.48M of TWST open-market activity in the last 12 months
- Paula Green - $5.51M of TWST open-market activity in the last 12 months
- Robert Chess - $2.62M of TWST open-market activity in the last 12 months
- Adam Laponis - $2.55M of TWST open-market activity in the last 12 months
- Robert F. Werner - $1.26M of TWST open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Dennis Cho?
Dennis Cho is a corporate insider, tracked as Senior Vice President, Chief Legal Officer & Corporate Secretary of Twist Bioscience Corp (TWST). InsiderAlpha holds 36 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Dennis Cho submitted recently?
8 primary Form 4 filings in the last 90 days, covering 1 company.
Has Dennis Cho been buying or selling stock?
Recorded transactions: 0 open-market purchases and 33 open-market sales ($7.41M) across all tracked filings.
Where can I see all of Dennis Cho's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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