Twist Bioscience Corp — Director's Dealing 2020

Sep 9, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2020-09-04

Reporting Person: THORBURN JAMES M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-09-04	Common Stock	M	30000	$11.59	Acquired	81719	Direct
2020-09-04	Common Stock	S	1500	$61.8533	Disposed	80219	Direct
2020-09-04	Common Stock	S	17491	$63.3392	Disposed	62728	Direct
2020-09-04	Common Stock	S	10809	$64.1775	Disposed	51919	Direct
2020-09-04	Common Stock	S	200	$64.8450	Disposed	51719	Direct
2020-09-08	Common Stock	M	59411	$11.59	Acquired	111130	Direct
2020-09-08	Common Stock	S	32455	$62.6063	Disposed	78657	Direct
2020-09-08	Common Stock	S	17477	$63.4393	Disposed	61198	Direct
2020-09-08	Common Stock	S	9479	$64.1334	Disposed	51719	Direct
2020-09-08	Common Stock	M	10589	$26.66	Acquired	62308	Direct
2020-09-08	Common Stock	S	7151	$62.6598	Disposed	55157	Direct
2020-09-08	Common Stock	S	3137	$63.7029	Disposed	52020	Direct
2020-09-08	Common Stock	S	301	$64.2417	Disposed	51719	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-09-04	Employee Stock Option (right to buy)	$11.59	M	30000	Disposed	2028-06-06	Common Stock (30000)	Direct
2020-09-08	Employee Stock Option (right to buy)	$11.59	M	59411	Disposed	2028-06-06	Common Stock (59411)	Direct
2020-09-08	Employee Stock Option (right to buy)	$26.66	M	10589	Disposed	2028-11-18	Common Stock (10589)	Direct

Footnotes

F1: Represents the weighted average sales price per share. The shares sold at prices ranging from $61.62 to $62.37 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 $62.77 to $63.76 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 $63.77 to $64.70 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 $62.01 to $62.99 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 $63.00 to $64.00 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 $64.00 to $64.94 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.

F7: Represents the weighted average sales price per share. The shares sold at prices ranging from $62.14 to $63.12 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.

F8: Represents the weighted average sales price per share. The shares sold at prices ranging from $63.15 to $64.15 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 $64.24 to $64.26 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 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.

F11: The option is immediately exercisable. 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.