Twist Bioscience Corp — Director's Dealing 2019

Aug 22, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2019-08-20

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-08-20	Common Stock	M	3983	$5.95	Acquired	112270	Direct
2019-08-20	Common Stock	M	3383	$8.82	Acquired	115653	Direct
2019-08-20	Common Stock	S	1288	$30.223	Disposed	114365	Direct
2019-08-20	Common Stock	S	1288	$30.212	Disposed	113077	Direct
2019-08-20	Common Stock	S	1288	$30.17	Disposed	111789	Direct
2019-08-20	Common Stock	S	1407	$30.235	Disposed	110382	Direct
2019-08-20	Common Stock	S	1218	$30.183	Disposed	109164	Direct
2019-08-20	Common Stock	S	70	$31.01	Disposed	109094	Direct
2019-08-20	Common Stock	S	756	$30.195	Disposed	108338	Direct
2019-08-20	Common Stock	S	51	$31.01	Disposed	108287	Direct
2019-08-21	Common Stock	M	3682	$5.95	Acquired	111969	Direct
2019-08-21	Common Stock	M	3682	$8.82	Acquired	115651	Direct
2019-08-21	Common Stock	S	1841	$31.095	Disposed	113810	Direct
2019-08-21	Common Stock	S	1841	$31.125	Disposed	111969	Direct
2019-08-21	Common Stock	S	1841	$31.119	Disposed	110128	Direct
2019-08-21	Common Stock	S	1841	$31.085	Disposed	108287	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-08-20	Employee Stock Option (right to buy)	$5.95	M	3983	Disposed	2025-09-28	Common Stock (3983)	Direct
2019-08-20	Employee Stock Option (right to buy)	$8.82	M	3383	Disposed	2027-09-28	Common Stock (3383)	Direct
2019-08-21	Employee Stock Option (right to buy)	$5.95	M	3682	Disposed	2025-09-28	Common Stock (3682)	Direct
2019-08-21	Employee Stock Option (right to buy)	$8.82	M	3682	Disposed	2027-09-28	Common Stock (3682)	Direct

Footnotes

F1: Includes shares that were acquired by the Reporting Person on August 20, 2019 under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

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 $29.97 to $30.83 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 $30.02 to $30.79 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 $29.89 to $30.85 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 $29.98 to $30.86 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 $30.00 to $30.79 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 $29.98 to $30.79 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 $30.68 to $31.36 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.

F10: Represents the weighted average sales price per share. The shares sold at prices ranging from $30.67 to $31.49 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.

F11: Represents the weighted average sales price per share. The shares sold at prices ranging from $30.67 to $31.39 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.

F12: Represents the weighted average sales price per share. The shares sold at prices ranging from $30.68 to $31.49 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.

F13: 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.

F14: 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.