Insider Shareholders with Direct Ownership of Twist Bioscience Corp (TWST)

TWST Quotes by TradingView

This section provides a comprehensive overview of the insiders with direct ownership of Twist Bioscience Corp (TWST). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.

Twist Bioscience Corp Insider List

Insider Adquired Disposed Held # of Trades Last Transaction
Emily M. Leproust

Chief Executive Officer

 1,088,268 825,145 878,173 $23.6 Million 145
Nov 21, 2025 Reduced 0.3%
William Banyai

See Remark

 140,057 295,914 345,188 $9.28 Million 84
May 03, 2024 Reduced 0.23%
Patrick John Finn

President and COO

 523,939 239,814 332,883 $8.94 Million 120
Nov 21, 2025 Reduced 0.53%
Paula Green

SVP of Human Resources

 234,854 98,717 167,789 $4.51 Million 102
Nov 21, 2025 Reduced 0.36%
Dennis Cho

174,951 48,323 145,402 $3.91 Million 76
Nov 21, 2025 Reduced 0.52%
Adam Laponis

Chief Financial Officer

 179,393 35,317 142,769 $3.84 Million 19
Nov 21, 2025 Reduced 0.62%
James M Thorburn

Chief Financial Officer

 170,029 136,487 86,334 $2.32 Million 78
Jan 02, 2024 Reduced 0.44%
Mark Daniels

91,954 85,207 66,736 $1.79 Million 37
Apr 01, 2021 Reduced 0.28%
Robert F. Werner

Chief Accounting Officer

 83,028 16,885 66,143 $1.78 Million 37
Nov 24, 2025 Reduced 1.23%
Patrick Weiss

Chief Operating Officer

 121,943 131,476 47,401 $1.27 Million 55
Apr 01, 2022 Reduced 0.8%
Nelson C Chan

23,442 0 28,156 $756,551 6
Feb 05, 2025 Added 13.71%
Robert P Ragusa

33,064 10,588 23,888 $641,870 7
Feb 05, 2025 Added 15.77%
Nicolas Barthelemy

26,609 5,000 23,021 $618,574 6
Nov 21, 2022 Added 28.29%
Keith Crandell

22,476 1,412 22,476 $603,930 6
Feb 05, 2025 Added 16.59%
Melissa A. Starovasnik

23,359 1,732 21,627 $581,117 6
Feb 05, 2025 Added 17.13%
Robert Chess

29,580 40,113 18,173 $488,308 20
Feb 07, 2025 Reduced 13.93%
Jan Johannessen

42,476 29,029 14,859 $399,261 16
Nov 18, 2025 Reduced 32.16%
Katryn Blake

14,353 0 14,353 $385,665 1
Aug 05, 2025 Added 50.0%
Kevin Bruce Yankton

Chief Accounting Officer

 9,451 1,187 9,115 $244,920 17
May 17, 2023 Reduced 0.76%

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