Twist Bioscience Corp — Director's Dealing 2019

Aug 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2019-08-16

Reporting Person: THORBURN JAMES M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-08-16	Common Stock	M	6500	$11.59	Acquired	45502	Direct
2019-08-16	Common Stock	S	3000	$29.469	Disposed	42502	Direct
2019-08-16	Common Stock	S	1500	$29.60	Disposed	41002	Direct
2019-08-16	Common Stock	S	1000	$29.581	Disposed	40002	Direct
2019-08-16	Common Stock	S	1000	$29.509	Disposed	39002	Direct
2019-08-19	Common Stock	M	3500	$11.59	Acquired	42502	Direct
2019-08-19	Common Stock	S	1000	$30.396	Disposed	41502	Direct
2019-08-19	Common Stock	S	500	$30.312	Disposed	41002	Direct
2019-08-19	Common Stock	S	500	$30.144	Disposed	40502	Direct
2019-08-19	Common Stock	S	500	$30.466	Disposed	40002	Direct
2019-08-19	Common Stock	S	250	$30.456	Disposed	39752	Direct
2019-08-19	Common Stock	S	500	$30.25	Disposed	39252	Direct
2019-08-19	Common Stock	S	250	$30.454	Disposed	39002	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-08-16	Employee Stock Option (right to buy)	$11.59	M	6500	Disposed	2028-06-06	Common Stock (6500)	Direct
2019-08-19	Employee Stock Option (right to buy)	$11.59	M	3500	Disposed	2028-06-06	Common Stock (3500)	Direct

Footnotes

F1: Represents the aggregate of sales effected on the same day at different prices.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.53 to $29.67 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 $29.44 to $29.59 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 $30.39 to $30.45 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: The option is immediately exercisable. 25% of the shares subject to the option vested on April 23, 2019, 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.