Twist Bioscience Corp — Director's Dealing 2019

Sep 19, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2019-09-17

Reporting Person: Weiss Patrick (SVP, R&D GM Data Storage)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-09-17	Common Stock	M	3682	$5.95	Acquired	108969	Direct
2019-09-17	Common Stock	M	3682	$8.82	Acquired	112651	Direct
2019-09-17	Common Stock	S	1641	$29.545	Disposed	111010	Direct
2019-09-17	Common Stock	S	600	$30.246	Disposed	110410	Direct
2019-09-17	Common Stock	S	3282	$29.544	Disposed	107128	Direct
2019-09-17	Common Stock	S	1741	$29.544	Disposed	105387	Direct
2019-09-17	Common Stock	S	100	$30.282	Disposed	105287	Direct
2019-09-18	Common Stock	M	3682	$5.95	Acquired	108969	Direct
2019-09-18	Common Stock	M	3682	$8.82	Acquired	112651	Direct
2019-09-18	Common Stock	S	1841	$29.963	Disposed	110810	Direct
2019-09-18	Common Stock	S	1641	$29.852	Disposed	109169	Direct
2019-09-18	Common Stock	S	200	$30.39	Disposed	108969	Direct
2019-09-18	Common Stock	S	1841	$29.965	Disposed	107128	Direct
2019-09-18	Common Stock	S	1841	$29.988	Disposed	105287	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-09-17	Employee Stock Option (right to buy)	$5.95	M	3682	Disposed	2025-09-28	Common Stock (3682)	Direct
2019-09-17	Employee Stock Option (right to buy)	$8.82	M	3682	Disposed	2027-09-28	Common Stock (3682)	Direct
2019-09-18	Employee Stock Option (right to buy)	$5.95	M	3682	Disposed	2025-09-28	Common Stock (3682)	Direct
2019-09-18	Employee Stock Option (right to buy)	$8.82	M	3682	Disposed	2027-09-28	Common Stock (3682)	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.

F2: Represents the aggregate of sales effected on the same day at different prices.

F3: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.13 to $30.12 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 $30.21 to $30.28 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 $29.13 to $30.10 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: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.13 to $30.05 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.

F7: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.64 to $30.56 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.

F8: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.25 to $30.20 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.

F9: Represents the weighted average sales price per share. The shares sold at prices ranging from $29.40 to $30.35 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.

F10: 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.

F11: The option is immediately exercisable. 10% of the shares subject to the option vested on September 29, 2017, 15% of the shares subject to the option vested on September 28, 2018, 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.