Patrick Weiss - May 19, 2021 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Role
Chief Operating Officer
Signature
/s/ William Solis, as Attorney-in-Fact for Patrick Weiss
Stock symbol
TWST
Transactions as of
May 19, 2021
Transactions value $
-$341,677
Form type
4
Date filed
5/21/2021, 05:52 PM
Next filing
May 24, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TWST Common Stock Options Exercise $18.6K +2.1K +4.03% $8.82 54.3K May 19, 2021 Direct
transaction TWST Common Stock Options Exercise $52.6K +1.97K +3.63% $26.66 56.3K May 19, 2021 Direct
transaction TWST Common Stock Options Exercise $20.7K +827 +1.47% $25.02 57.1K May 19, 2021 Direct
transaction TWST Common Stock Sale -$434K -4.91K -8.59% $88.39 52.2K May 19, 2021 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 -2.1K -16.67% $0.00 10.5K May 19, 2021 Common Stock 2.1K $8.82 Direct F2
transaction TWST Employee Stock Option (right to buy) Options Exercise $0 -1.97K -3.13% $0.00 61.2K May 19, 2021 Common Stock 1.97K $26.66 Direct F3
transaction TWST Employee Stock Option (right to buy) Options Exercise $0 -827 -3.12% $0.00 25.6K May 19, 2021 Common Stock 827 $25.02 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 15, 2020.
F2 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.
F3 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.
F4 25% of the shares subject to the option vested and became 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 continuous service through each vesting date.