Have insiders been buying TWST stock?

Twist Bioscience Corp (TWST) insider trading from SEC Form 4 filings. No open-market insider purchases in the last two years; 14 insider sales of $1M or more on record.

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TWST insider trading

Twist Bioscience Corp — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.

Insider buys · 24 mo

Bought · 24 mo

Buys · last 90 days

0 · $0

Most recent buy

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Recent insider filings

Filed	Insider	Type	Shares	Price	Value
2026-08-27	Leproust Emily M. Chief Executive Officer	Sold	34,065	$151.75	$5.2M
2026-08-21	Cho Dennis See Remarks	Sold	14,205	$129.75	$1.8M
2026-08-20	Finn Patrick John President and COO	Sold	65,559	$117.07	$7.7M
2026-08-14	Leproust Emily M. Chief Executive Officer	Sold	19,952	$125.08	$2.5M
2026-08-12	Leproust Emily M. Chief Executive Officer	Sold	113,318	$125.16	$14.2M
2026-08-11	CHESS ROBERT Director	Sold	18,417	$110.89	$2.0M
2026-08-07	Cho Dennis See Remarks	Sold	14,205	$109.75	$1.6M
2026-06-26	Cho Dennis See Remarks	Sold	14,205	$89.75	$1.3M
2026-06-26	Leproust Emily M. Chief Executive Officer	Sold	18,880	$95.00	$1.8M
2026-06-17	Green Paula SVP of Human Resources	Sold	24,109	$81.62	$2.0M
2026-05-28	Leproust Emily M. Chief Executive Officer	Sold	48,034	$65.16	$3.1M
2026-02-19	Green Paula SVP of Human Resources	Sold	39,404	$52.40	$2.1M
2026-02-19	Finn Patrick John President and COO	Sold	48,810	$51.63	$2.5M
2025-10-08	Leproust Emily M. Chief Executive Officer	Sold	31,348	$32.19	$1.0M

See TWST on the chart

Every insider buy and sell for TWST plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.