Form 4 Tracker
Twist Bioscience Corp
TWST

71 insider filings · Latest: Jun 25, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 20, 2026Mar 24 8:05 PMPaula GreenSVP of Human Resources
Sale
297$43.79$13.0K124,104(D)

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Mar 20, 2026Mar 24 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
1,742$43.79$76.3K858,887(D)

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Mar 20, 2026Mar 20 7:40 PMLeproust Emily M.
Proposed Sale
1,742$43.79$76.3K

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Mar 20, 2026Mar 20 7:38 PMCho Dennis
Proposed Sale
354$43.79$15.5K

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Mar 20, 2026Mar 20 7:37 PMGreen Paula
Proposed Sale
297$43.79$13.0K

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Mar 17, 2026Mar 19 8:05 PMRobert ChessDirector
Sale
10,000$47.00$470.0K21,084(D)

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Mar 17, 2026Mar 17 6:17 PMCHESS ROBERT
Proposed Sale
10,000$47.00$470.0K

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Mar 6, 2026Mar 10 8:06 PMRobert F. WernerChief Accounting Officer
Sale
246$46.43$11.4K54,799(D)

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Mar 6, 2026Mar 10 8:05 PMDennis ChoSenior Vice President, Chief Legal Officer & Corporate Secretary
Sale
425$46.43$19.7K138,257(D)

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Mar 6, 2026Mar 10 8:05 PMPaula GreenSVP of Human Resources
Sale
935$46.43$43.4K124,401(D)

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Mar 6, 2026Mar 10 8:05 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
2,423$46.43$112.5K860,629(D)

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Mar 6, 2026Mar 6 8:42 PMWERNER ROBERT F.
Proposed Sale
246$46.43$11.4K

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Mar 6, 2026Mar 6 8:19 PMGreen Paula
Proposed Sale
935$46.43$43.4K

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Mar 6, 2026Mar 6 8:13 PMCho Dennis
Proposed Sale
425$46.43$19.7K

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Mar 6, 2026Mar 6 8:10 PMLeproust Emily M.
Proposed Sale
2,423$46.43$112.5K

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Feb 23, 2026Feb 25 9:05 PMPatrick John FinnPresident and COO
Sale
4,294$46.71$200.6K284,129(D)

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Feb 23, 2026Feb 25 9:05 PMRobert F. WernerChief Accounting Officer
Sale
1,693$46.71$79.1K55,045(D)

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Feb 23, 2026Feb 25 9:05 PMAdam LaponisChief Financial Officer
Sale
2,085$46.71$97.4K128,291(D)

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Feb 23, 2026Feb 25 9:05 PMEmily M. LeproustDirector, Chief Executive Officer
Sale
7,205$46.71$336.5K863,052(D)

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Feb 23, 2026Feb 25 9:05 PMPaula GreenSVP of Human Resources
Sale
1,465$46.71$68.4K125,336(D)

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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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