Form 4 Tracker
Twist Bioscience Corp
TWST

71 insider filings · Latest: Jun 25, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 25, 2026Jun 26 8:41 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
18,880$95.00$1.8M824,039(D)

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Jun 24, 2026Jun 26 8:05 PMDennis ChoSenior Vice President, Chief Legal Officer & Corporate Secretary
Sale
14,205$89.75$1.3M105,141(D)

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Jun 25, 2026Jun 25 3:28 PMLeproust Emily M.
Proposed Sale
18,880$95.00$1.8M

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Jun 22, 2026Jun 24 8:05 PMPaula GreenSVP of Human Resources
Sale
291$87.32$25.4K120,414(D)

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Jun 22, 2026Jun 24 8:05 PMDennis ChoSenior Vice President, Chief Legal Officer & Corporate Secretary
Sale
346$87.32$30.2K119,346(D)

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Jun 22, 2026Jun 24 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
1,688$87.32$147.4K842,919(D)

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Jun 24, 2026Jun 24 6:44 PMCho Dennis
Proposed Sale
14,205$89.75$1.3M

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Jun 22, 2026Jun 22 7:29 PMLeproust Emily M.
Proposed Sale
1,688$87.32$147.4K

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Jun 22, 2026Jun 22 7:18 PMCho Dennis
Proposed Sale
346$87.32$30.2K

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Jun 22, 2026Jun 22 7:16 PMGreen Paula
Proposed Sale
291$87.32$25.4K

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Jun 15, 2026Jun 17 8:05 PMPaula GreenSVP of Human Resources
Sale
26,137$81.67$2.1M120,705(D)

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Jun 15, 2026Jun 15 6:56 PMGreen Paula
Proposed Sale
26,137$81.67$2.1M

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Jun 8, 2026Jun 10 8:05 PMDennis ChoSenior Vice President, Chief Legal Officer & Corporate Secretary
Sale
402$69.84$28.1K119,692(D)

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Jun 8, 2026Jun 10 8:05 PMPaula GreenSVP of Human Resources
Sale
884$69.84$61.7K120,705(D)

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Jun 8, 2026Jun 10 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
2,265$69.84$158.2K844,607(D)

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Jun 8, 2026Jun 10 8:05 PMRobert F. WernerChief Accounting Officer
Sale
1,359$69.20$94.0K46,827(D)

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Jun 8, 2026Jun 8 9:16 PMWERNER ROBERT F.
Proposed Sale
1,127$69.07$77.8K

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Jun 8, 2026Jun 8 8:49 PMCho Dennis
Proposed Sale
402$69.84$28.1K

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Jun 8, 2026Jun 8 8:16 PMWERNER ROBERT F.
Proposed Sale
232$69.84$16.2K

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Jun 8, 2026Jun 8 7:54 PMGreen Paula
Proposed Sale
884$69.84$61.7K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 15, 2026Jun 17 8:05 PMPaula GreenSVP of Human Resources
Option Exercise
26,137$23.330(D)

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May 28, 2026Jun 1 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Option Exercise
16,470$8.8275,439(D)

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May 27, 2026May 28 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Option Exercise
25,017$8.8291,909(D)

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May 26, 2026May 28 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Option Exercise
24,282$8.82116,926(D)

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May 12, 2026May 14 8:05 PMJan JohannessenDirector
Option Exercise
12,000$14.0010,304(D)

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Apr 22, 2026Apr 23 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Option Exercise
8,061$8.82141,208(D)

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Apr 21, 2026Apr 23 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Option Exercise
1,610$8.82149,269(D)

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Mar 17, 2026Mar 19 8:05 PMRobert ChessDirector
Option Exercise
10,000$11.8918,417(D)

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Feb 17, 2026Feb 19 9:05 PMPatrick John FinnPresident and COO
Option Exercise
50,505$26.660(D)

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Feb 13, 2026Feb 17 9:25 PMPatrick John FinnPresident and COO
Option Exercise
1,212$26.6618,052(D)

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Feb 12, 2026Feb 17 9:25 PMPatrick John FinnPresident and COO
Option Exercise
2,500$26.6618,705(D)

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