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Filing Details

Accession Number:: 0001214659-24-019252
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2024-11-15 16:05:13
Reporting Period:: 2024-11-06

Accepted Time:: 2024-11-15 16:05:13
Original Submission Date:: 2024-11-08
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1581280	Twist Bioscience Corp	TWST	Biological Products, (No Disgnostic Substances) (2836)	462058888

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1753655	M. Emily Leproust	C/O Twist Bioscience Corporation 681 Gateway Blvd. South San Francisco CA 94080	Chief Executive Officer	No	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2024-11-06	14,334	$44.61	589,552	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Reported Derivative Holdings

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Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Employee Stock Option (right to buy)	$5.95		2025-09-28	0	0	Direct
Common Stock	Employee Stock Option (right to buy)	$8.82		2027-09-28	0	150,879	Direct
Common Stock	Employee Stock Option (right to buy)	$26.66		2028-11-18	0	266,539	Direct
Common Stock	Employee Stock Option (right to buy)	$23.33		2029-10-23	0	131,290	Direct
Common Stock	Employee Stock Option (right to buy)	$67.85	2022-12-19	2030-08-31	64,950	64,950	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2025-09-28	0	0	Direct
2027-09-28	0	150,879	Direct
2028-11-18	0	266,539	Direct
2029-10-23	0	131,290	Direct
2030-08-31	64,950	64,950	Direct

Footnotes

Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Performance Stock Units ("PSUs"). These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.
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.
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.
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.
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.
Represents performance stock options granted to the reporting person on September 1, 2020, that vested and became exercisable on December 19, 2022 as a result of the reporting person having met the applicable performance criteria.