Twist Bioscience Corp — Director's Dealing 2018

Oct 30, 2018

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2018-10-30

Reporting Person: Daniels Mark (Chief Compliance Officer & GC)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	21355	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$5.95	2026-08-29	Common Stock (58916)		Direct
Employee Stock Option (right to buy)	$8.82	2027-09-28	Common Stock (13565)		Direct
Employee Stock Option (right to buy)	$10.70	2028-02-01	Common Stock (32088)		Direct

Footnotes

F1: The option is immediately exercisable. The Reporting Person was granted an option for 75,759 shares of Common Stock. 25% of the shares subject to the option vest on August 8, 2017, 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. On October 1, 2018, the Reporting Person exercised 16,833 shares subject to the option.

F2: The option is immediately exercisable. The Reporting Person was granted an option for 18,088 shares of Common Stock. The option is immediately exercisable. 10% of the shares subject to the option vest on September 29, 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. On October 1, 2018, the Reporting Person exercised 4,522 shares subject to the option.

F3: The option is immediately exercisable. 25% of the shares subject to the option vest on January 1, 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.