Twist Bioscience Corp — Director's Dealing 2019

Nov 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2019-10-24

Reporting Person: THORBURN JAMES M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-24	Common Stock	A	8340	$0.00	Acquired	49905	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-24	Employee Stock Option (right to buy)	$23.33	A	35740	Acquired	2029-10-23	Common Stock (35740)	Direct

Footnotes

F1: Represents a restricted stock unit award (the "RSU Award") that vests in installments, with 25% of the shares subject to the RSU Award vesting on October 24, 2020 and 1/16th of the shares subject to the RSU Award vesting on each quarterly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.

F2: Includes shares that were acquired 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).

F3: 25% of the shares subject to the option vest and become 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 continuing service through each vesting date.