Twist Bioscience Corp — Director's Dealing 2022

Feb 24, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2022-02-18

Reporting Person: THORBURN JAMES M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-18	Common Stock	F	1025	$53.21	Disposed	47925	Direct
2022-02-22	Common Stock	M	1517	$26.66	Acquired	49442	Direct
2022-02-22	Common Stock	M	2000	$23.33	Acquired	51442	Direct
2022-02-22	Common Stock	S	2461	$52.0345	Disposed	48981	Direct
2022-02-22	Common Stock	S	1341	$52.8814	Disposed	47640	Direct
2022-02-22	Common Stock	S	640	$53.6641	Disposed	47000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-22	Employee Stock Option (right to buy)	$26.66	M	1517	Disposed	2028-11-18	Common Stock (1517)	Direct
2022-02-22	Employee Stock Option (right to buy)	$23.33	M	2000	Disposed	2029-10-23	Common Stock (2000)	Direct

Footnotes

F1: Represents shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of certain Restricted Stock Units ("RSUs") previously granted to the Reporting Person. Such withholding is exempt from Section 16(b) pursuant to Rule 16b-3(e).

F2: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on August 24, 2021.

F3: Represents the weighted average sales price per share. The shares sold at prices ranging from $51.44 to $52.42 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 $52.45 to $53.36 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 $53.50 to $54.09 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: 20% of the shares subject to the option vested and became 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: 25% of the shares subject to the option vested and became 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 continuous service through each vesting date.