Stocks · Health care · Biological Products, (No Diagnostic Substances)

Twist Bioscience Corp

TWST Clue Score57

United States Fiscal year ends September CIK 0001581280 Results filed 3 Aug 2026

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What the insiders did Net selling

By person

13 insiders · 180 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Emily M. Leproust

Chief Executive Officer

—

$101.16M (67) scheduled

−$101.16M

558,187

0.8901%

$75.58M

−7.8%

Patrick John Finn

President and COO

—

$21.51M (27) scheduled

−$21.51M

180,278

0.2875%

$24.41M

−24.3%

Dennis Cho

See Remarks

—

$8.69M (22) scheduled

−$8.69M

62,840

0.1002%

$8.51M

−34.5%

Paula Green

SVP of Human Resources

—

$7.15M (20)

−$7.15M

105,625

0.1684%

$14.30M

−13.7%

Adam Laponis

Chief Financial Officer

—

$4.02M (14)

−$4.02M

98,114

0.1565%

$13.28M

+3.7%

Robert Chess

Director

—

$2.62M (3) scheduled

−$2.62M

21,084

0.0336%

$2.85M

−2.6%

Robert F. Werner

Chief Accounting Officer

—

$1.48M (19)

−$1.48M

42,769

0.0682%

$5.79M

−9.1%

Jan Johannessen

Director

—

$953.31K (3) scheduled

−$953.31K

17,754

0.0283%

$2.40M

+1.9%

Melissa A. Starovasnik

Director

—

$282.44K (4) scheduled

−$282.44K

22,222

0.0354%

$3.01M

+29.5%

Katryn Blake

Director

—

$275.25K (1)

−$275.25K

17,208

0.0274%

$2.33M

—

Nelson Chan

Director

—

—

—

33,251

0.0530%

$4.50M

+40.4%

Robert P Ragusa

Director

—

—

—

28,983

0.0462%

$3.92M

+49.3%

Keith Crandell

Director

—

—

—

27,571

0.0440%

$3.73M

+53.1%