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Filing Details

Accession Number:: 0001214659-21-001554
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-02-11 16:38:50
Reporting Period:: 2021-02-09

Accepted Time:: 2021-02-11 16:38:50
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	President & Ceo	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	2021-01-20	75,000	$207.97	320,188	No	4	G	Direct
Common Stock	Acquisiton	2021-01-20	75,000	$0.00	75,000	No	4	G	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	41,256	$175.29	33,744	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	6,540	$176.47	27,204	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	12,589	$177.48	14,615	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	7,020	$178.54	7,595	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	5,089	$179.55	2,506	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	2,406	$180.62	100	No	4	S	Indirect	By Spouse
Common Stock	Disposition	2021-02-09	100	$181.09	0	No	4	S	Indirect	By Spouse

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	G	Direct
No	4	G	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse
No	4	S	Indirect	By Spouse

Reported Derivative Holdings

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Sec. Name	Sec. Type	Price	Expiration Date	Remaning Holdings	Nature of Ownership
Common Stock	Employee Stock Option (right to buy)	$8.82	2027-09-28	230,794	Direct
Common Stock	Employee Stock Option (right to buy)	$26.66	2028-11-18	266,539	Direct
Common Stock	Employee Stock Option (right to buy)	$23.33	2029-10-23	131,290	Direct
Common Stock	Employee Stock Option (right to buy)	$5.95	2025-09-28	95,699	Direct

Expiration Date	Remaning Holdings	Nature of Ownership
2027-09-28	230,794	Direct
2028-11-18	266,539	Direct
2029-10-23	131,290	Direct
2025-09-28	95,699	Direct

Footnotes

This transaction involved a gift of securities by the Reporting Person to her spouse.
Change in form of ownership of shares previously reported as beneficially owned by the reporting person.
The Reporting Person disclaims beneficial ownership of such shares.
Represents the weighted average sales price per share. The shares sold at prices ranging from $175.00 to $175.98 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
Represents the weighted average sales price per share. The shares sold at prices ranging from $176.03 to $177.03 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
Represents the weighted average sales price per share. The shares sold at prices ranging from $177.04 to $178.04 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
Represents the weighted average sales price per share. The shares sold at prices ranging from $178.05 to $179.03 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
Represents the weighted average sales price per share. The shares sold at prices ranging from $179.06 to $180.00 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
Represents the weighted average sales price per share. The shares sold at prices ranging from $180.08 to $181.06 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
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.
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.