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CIK 0001581280 · Large accelerated filer

Twist Bioscience Corp

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Ticker
TWST
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Sep 30
Incorporated
DE
Entity type
operating
EIN
462058888
Phone
800-719-0671
Business address
681 GATEWAY BLVD., SOUTH SAN FRANCISCO, CA, 94080
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$99,863,292
in 32 filings, $84.3M under 10b5-1 plans

Net −$99,863,292. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Leproust Emily M. −$75.4M Chief Executive Officer sold 46% of stake
  2. Finn Patrick John −$15.3M President and COO sold 39% of stake
  3. Cho Dennis −$4.1M See Remarks sold 30% of stake
  4. Green Paula −$2.4M SVP of Human Resources sold 11% of stake
  5. Laponis Adam −$2.2M Chief Financial Officer sold 11% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-17 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −32,300 0
2026-02-17 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −18,205 0
2026-02-13 CHESS ROBERT Director Sale −2,184 $48.26 $105K 21,084
2026-02-13 Finn Patrick John President and COO Option exercise 10b5-1 +500 $23.33 $12K 307,288
2026-02-13 Finn Patrick John President and COO Option exercise 10b5-1 +712 $26.66 $19K 308,000
2026-02-13 Finn Patrick John President and COO Sale 10b5-1 −1,750 $50.04 $88K 306,250
2026-02-13 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −712 32,300
2026-02-13 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −500 18,052
2026-02-12 Finn Patrick John President and COO Option exercise 10b5-1 +1,000 $23.33 $23K 308,788
2026-02-12 Finn Patrick John President and COO Option exercise 10b5-1 +1,500 $26.66 $40K 310,288
2026-02-12 Finn Patrick John President and COO Sale 10b5-1 −3,500 $50.23 $176K 306,788
2026-02-12 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −1,500 33,012
2026-02-12 Finn Patrick John President and COO Option exercise · Stock Option (right to buy) 10b5-1 −1,000 18,705
2026-02-12 Laponis Adam Chief Financial Officer Sale 10b5-1 −7,000 $50.00 $350K 130,031

Page 10 of 10 · 194 trades