Emily M. Leproust - Dec 31, 2021 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Signature
/s/ William Solis, as Attorney-in-Fact for Emily M. Leproust
Stock symbol
TWST
Transactions as of
Dec 31, 2021
Transactions value $
$114,538
Form type
4
Date filed
1/4/2022, 03:35 PM
Previous filing
Dec 29, 2021
Next filing
Jan 20, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TWST Common Stock Options Exercise $68.6K +11.5K +6.54% $5.95 188K Dec 31, 2021 Direct
transaction TWST Common Stock Options Exercise $100K +11.3K +6.04% $8.82 199K Dec 31, 2021 Direct
transaction TWST Common Stock Tax liability -$54.2K -700 -0.35% $77.39 199K Jan 3, 2022 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TWST Employee Stock Option (right to buy) Options Exercise $0 +11.5K +89.91% $0.00 24.4K Dec 31, 2021 Common Stock 11.5K $5.95 Direct F2
transaction TWST Employee Stock Option (right to buy) Options Exercise $0 +11.3K +8.12% $0.00 151K Dec 31, 2021 Common Stock 11.3K $8.82 Direct F3
holding TWST Employee Stock Option (right to buy) 267K Dec 31, 2021 Common Stock 0 $26.66 Direct F4
holding TWST Employee Stock Option (right to buy) 131K Dec 31, 2021 Common Stock 0 $23.33 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of certain Restricted Stock Units ("RSUs") previously granted to the Reporting Person. Such withholding is exempt from Section 16(b) pursuant to Rule 16b-3(e).
F2 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.
F3 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.
F4 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.
F5 25% of the shares subject to the option vested on October 24, 2020, 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.