KATRYN BLAKE - 05 Feb 2026 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Role: Director
Signature: /s/ Kendra Fox, as Attorney-in-Fact for Katryn Blake
Issuer symbol: TWST
Transactions as of: 05 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Feb 2026, 16:27:30 UTC
Previous filing: 07 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
BLAKE KATRYN	Director	C/O TWIST BIOSCIENCE CORPORATION, 681 GATEWAY BLVD, SOUTH SAN FRANCISCO	/s/ Kendra Fox, as Attorney-in-Fact for Katryn Blake	09 Feb 2026	0001505740

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TWST	Common Stock	Award	$0	+5,095	+35%	$0.000000	19,448	05 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	100% of the Shares subject to the Annual Equity Award will vest upon the earlier of (i) the one-year anniversary of the date of grant and (ii) the date of the first annual meeting of stockholders following the date of grant, provided that the Non-Employee Director is a Service Provider on each vesting date.