Form4insider filings, from the source

Insider · CIK 0001883451

Dennis Cho

Files at: TWST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.8M · 6net −$3.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 27Jul 12Jul 27Aug 12Aug 27Sep 12Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 21, 2026 SForm 4 →Sep 23, 4:08 pm EDTTwist Bioscience CorpTWST348$165.49$57,59173,303−0.47%
Sep 8, 2026 SForm 4 →Sep 10, 4:00 pm EDTTwist Bioscience CorpTWST412$122.62$50,52173,651−0.56%
Aug 21, 2026 SForm 4 →Aug 25, 4:05 pm EDTTwist Bioscience CorpTWST1,598$139.07$222,22774,063−2.11%
Aug 19, 2026 SForm 4 →Aug 21, 4:05 pm EDTTwist Bioscience CorpTWST14,205$129.75$1,843,09975,661−15.8%10b5-1
Aug 5, 2026 SForm 4 →Aug 7, 4:05 pm EDTTwist Bioscience CorpTWST14,205$109.75$1,558,99989,866−13.6%10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 4:05 pm EDTTwist Bioscience CorpTWST1,070$85.32$91,294104,071−1.02%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.