// company-profile

Twist Bioscience Corp

TWST
ExchangeNasdaqSectorBiological Products, (No Diagnostic Substances)Inc.DEFilings417Insiders17
// api This Twist Bioscience Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $1.9M across 8 transactions, with 5 offsetting purchases.

// 90-day insight

Over the last 90 days, Twist Bioscience Corp insiders bought $778K (8 transactions) and sold $5.2M (22 transactions).

  • Most active insider: Leproust Emily M. with 21 transactions totaling $6.3M.
  • Largest single sale: $2.0M by Green Paula on Jun 15, 2026.
  • 39% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Twist Bioscience Corp as of 2026-03-31

↑ increasing
Total reported AUM
$3.43B
QoQ change
+59.9%
Reporting period
2026-03-31
#1
Artisan Partners Limited Partnership
CIK 1466153
$302.6M
6.4M shares
#2
ARK Investment Management LLC
CIK 1697748
$301.4M
6.3M shares
#3
EdgePoint Investment Group Inc.
CIK 1481669
$255.8M
5.4M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 15, 2026Green PaulaTWST
Sale
24,109$81.62$1.97M
Jun 15, 2026Green PaulaTWST
Option Exercise
26,137$23.33$610K
Jun 15, 2026Green PaulaTWST
Option Exercise
26,137$0.00$0K
Jun 15, 2026Green PaulaTWST
Sale
2,028$82.17$167K
Jun 8, 2026WERNER ROBERT F.TWST
Gift
500$0.00$0K

45 more transactions hidden

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