Twist Bioscience Corp — Director's Dealing 2021

Dec 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2021-12-08

Reporting Person: THORBURN JAMES M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-08	Common Stock	M	7000	$11.59	Acquired	50698	Direct
2021-12-08	Common Stock	S	200	$83.34	Disposed	50498	Direct
2021-12-08	Common Stock	S	267	$85.7219	Disposed	50231	Direct
2021-12-08	Common Stock	S	600	$87.0783	Disposed	49631	Direct
2021-12-08	Common Stock	S	831	$88.3733	Disposed	48800	Direct
2021-12-08	Common Stock	S	2399	$89.7293	Disposed	46401	Direct
2021-12-08	Common Stock	S	2212	$90.5147	Disposed	44189	Direct
2021-12-08	Common Stock	S	491	$91.3493	Disposed	43698	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-08	Employee Stock Option (right to buy)	$11.59	M	7000	Disposed	2028-06-06	Common Stock (7000)	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 December 16, 2020.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $83.28 to $83.40 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 $85.28 to $86.13 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 $86.84 to $87.67 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.

F5: Represents the weighted average sales price per share. The shares sold at prices ranging from $87.90 to $88.80 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 $89.13 to $90.12 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.

F7: Represents the weighted average sales price per share. The shares sold at prices ranging from $90.19 to $90.87 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 $91.20 to $91.46 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: 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.