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30 filings · most recent first

TWST Form 4 Insider Filings

Over the trailing 90 days, TWST insiders sold a net $45.4M in discretionary open-market trades (8 sellers), across 49 Form 4 transactions by 8 insiders.

2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 September 08 2026 2026-09-18Green Paula Files Twist Bioscience Twst Form 4 September 08 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 September 08 2026 2026-09-18Werner Robert F Files Twist Bioscience Twst Form 4 September 08 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 August 25 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Finn Patrick John Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Green Paula Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Laponis Adam Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Werner Robert F Files Twist Bioscience Twst Form 4 August 21 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 August 19 2026 2026-09-18Finn Patrick John Files Twist Bioscience Twst Form 4 August 18 2026 2026-09-18Blake Katryn Files Twist Bioscience Twst Form 4 August 12 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 August 12 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 August 10 2026 2026-09-18Chess Robert Files Twist Bioscience Twst Form 4 August 07 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 August 05 2026 2026-09-18Finn Patrick John Files Twist Bioscience Twst Form 4 August 03 2026 2026-09-18Green Paula Files Twist Bioscience Twst Form 4 August 03 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 August 03 2026 2026-09-18Werner Robert F Files Twist Bioscience Twst Form 4 August 03 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 August 03 2026 2026-09-18Finn Patrick John Files Twist Bioscience Twst Form 4 July 23 2026 2026-09-18Laponis Adam Files Twist Bioscience Twst Form 4 July 09 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 June 25 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 June 24 2026 2026-09-18Green Paula Files Twist Bioscience Twst Form 4 June 22 2026 2026-09-18Cho Dennis Files Twist Bioscience Twst Form 4 June 22 2026 2026-09-18Leproust Emily M Files Twist Bioscience Twst Form 4 June 22 2026

Most Active Insiders (Trailing 90 Days)

Leproust Emily M. · 16 txns−$23.0M Finn Patrick John · 12 txns−$8.7M Cho Dennis · 7 txns−$5.1M Chess Robert · 3 txns−$1.8M Laponis Adam · 2 txns−$500K Green Paula · 4 txns−$422K

Detected Clusters

Cluster selling: 4 insiders, $473K total, through Sep 15, 2026 — live cluster view →
Cluster selling: 7 insiders, $8.7M total, through Aug 28, 2026 — live cluster view →
Cluster selling: 8 insiders, $10.5M total, through Aug 26, 2026 — live cluster view →

TWST full research: price, insiders, financials →