Twist Bioscience Corp — Director's Dealing 2020

Dec 9, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2020-12-07

Reporting Person: Finn Patrick John (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-07	Common Stock	M	6002	$8.820	Acquired	50424	Direct
2020-12-07	Common Stock	M	9089	$26.66	Acquired	59513	Direct
2020-12-07	Common Stock	M	10754	$23.33	Acquired	70267	Direct
2020-12-07	Common Stock	S	6047	$130.6459	Disposed	64220	Direct
2020-12-07	Common Stock	S	13911	$131.3804	Disposed	50309	Direct
2020-12-07	Common Stock	S	5026	$132.3244	Disposed	45283	Direct
2020-12-07	Common Stock	S	661	$133.1588	Disposed	44622	Direct
2020-12-07	Common Stock	S	200	$134.2650	Disposed	44422	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-07	Employee Stock Option (right to buy)	$8.82	M	6002	Disposed	2027-09-28	Common Stock (6002)	Direct
2020-12-07	Employee Stock Option (right to buy)	$26.66	M	9089	Disposed	2028-11-18	Common Stock (9089)	Direct
2020-12-07	Employee Stock Option (right to buy)	$23.33	M	10754	Disposed	2029-10-23	Common Stock (10754)	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 3, 2020.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $129.94 to $130.92 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 $130.95 to $131.94 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 $131.97 to $132.95 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 $132.99 to $133.36 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.

F6: Represents the weighted average sales price per share. The shares sold at prices ranging from $134.22 to $134.32 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: The option is immediately exercisable. 10% of the shares subject to the option vested on September 28, 2017, 15% of the shares subject to the option vest 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.

F8: 20% of the shares subject to the option vested on October 31, 2019, and 1/60th 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.

F9: 25% of the shares subject to the option vested on October 24, 2020, 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.