Twist Bioscience Corp — Director's Dealing 2020

Dec 28, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2020-12-23

Reporting Person: Leproust Emily M. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-23	Common Stock	S	4300	$169.1388	Disposed	429359	Direct
2020-12-23	Common Stock	S	700	$170.3343	Disposed	428659	Direct
2020-12-24	Common Stock	M	5300	$5.95	Acquired	433959	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-24	Employee Stock Option (right to buy)	$5.95	M	5300	Disposed	2025-09-28	Common Stock (5300)	Direct

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on September 16, 2020.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $169.00 to $169.49 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 $170.15 to $170.43 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: The option is immediately exercisable. 25% of the shares subject to the option vested on September 1, 2016 and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.