Twist Bioscience Corp — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2026-02-17

Reporting Person: Finn Patrick John (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Common Stock	M	18205	$23.33	Acquired	324455	Direct
2026-02-17	Common Stock	M	32300	$26.66	Acquired	356755	Direct
2026-02-17	Common Stock	S	21858	$50.321	Disposed	334897	Direct
2026-02-17	Common Stock	S	16616	$51.423	Disposed	318281	Direct
2026-02-17	Common Stock	S	26952	$52.686	Disposed	291329	Direct
2026-02-17	Common Stock	S	3541	$53.110	Disposed	287788	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-17	Stock Option (right to buy)	$26.66	M	32300	Disposed	2028-11-18	Common Stock (32300)	Direct
2026-02-17	Stock Option (right to buy)	$23.33	M	18205	Disposed	2029-10-23	Common Stock (18205)	Direct

Footnotes

F1: The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 13, 2025.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $50.00 to $50.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3: Represents the weighted average sales price per share. The shares sold at prices ranging from $51.00 to $51.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F4: Represents the weighted average sales price per share. The shares sold at prices ranging from $52.00 to $52.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F5: Represents the weighted average sales price per share. The shares sold at prices ranging from $53.01 to $53.25 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F6: The option is immediately exercisable. 12/60th of the shares subject to the option vest and become exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.

F7: The option is immediately exercisable. 25% of the shares subject to the option vest and become exercisable on October 24, 2020 and 1/48th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuing service through each vesting date.