Twist Bioscience Corp — Director's Dealing 2021

Jun 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2021-06-14

Reporting Person: Green Paula (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-14	Common Stock	S	300	$113.4801	Disposed	20095	Direct
2021-06-14	Common Stock	M	6798	$5.95	Acquired	26893	Direct
2021-06-14	Common Stock	M	2352	$8.82	Acquired	29245	Direct
2021-06-14	Common Stock	M	1663	$23.33	Acquired	30908	Direct
2021-06-14	Common Stock	M	3048	$26.66	Acquired	33956	Direct
2021-06-14	Common Stock	S	10921	$113.3417	Disposed	23035	Direct
2021-06-14	Common Stock	S	500	$114.9620	Disposed	22535	Direct
2021-06-14	Common Stock	S	2440	$115.8971	Disposed	20095	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-14	Employee Stock Option (right to buy)	$5.95	M	6798	Disposed	2026-03-21	Common Stock (6798)	Direct
2021-06-14	Employee Stock Option (right to buy)	$8.82	M	2352	Disposed	2027-09-28	Common Stock (2352)	Direct
2021-06-14	Employee Stock Option (right to buy)	$23.33	M	1663	Disposed	2029-10-23	Common Stock (1663)	Direct
2021-06-14	Employee Stock Option (right to buy)	$26.66	M	3048	Disposed	2028-11-18	Common Stock (3048)	Direct

Footnotes

F1: Represents the weighted average sales price per share. The shares sold at prices ranging from $113.09 to $113.88 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.

F2: Represents the weighted average sales price per share. The shares sold at prices ranging from $113.00 to $113.81 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 $114.53 to $115.08 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 $115.58 to $116.18 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 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.

F6: 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 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.

F7: 25% of the shares subject to the option vested and became exercisable on October 24, 2020, and 1/48th of the shares subject to the option vest and become exercisable 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 and became exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.