TWST files Form 144 reporting four proposed stock sales

TWST submitted a Form 144 notice reporting proposed sales of Common Stock by an affiliate.

Rhea-AI Filing Summary

TWST submitted a Form 144 notice reporting proposed sales of Common Stock by an affiliate. The excerpt lists four recent sale entries: 425 shares on 03/06/2026, 354 shares on 03/20/2026, 1,962 shares on 05/04/2026, and 1,642 shares on 05/21/2026, each with the dollar amounts shown. The filing also lists routine issuer grant and ESPP vesting events dated 2022–2024.

Key Figures

Sale on 03/06/2026: 425 shares Sale on 03/20/2026: 354 shares Sale on 05/04/2026: 1,962 shares +2 more

5 metrics

Sale on 03/06/2026 425 shares 03/06/2026 listed with $19,731.14

Sale on 03/20/2026 354 shares 03/20/2026 listed with $15,500.39

Sale on 05/04/2026 1,962 shares 05/04/2026 listed with $112,125.95

Sale on 05/21/2026 1,642 shares 05/21/2026 listed with $87,447.34

Most recent securities activity range 01/01/2022–05/02/2024 Listed restricted stock vesting and ESPP purchase dates

Key Terms

Form 144, Restricted Stock Vesting, ESPP Purchase, Issuer

4 terms

Form 144 regulatory

"submitted a Form 144 notice reporting proposed sales"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 01/01/2022"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

ESPP Purchase financial

"08/19/2022 | ESPP Purchase | Issuer"

Issuer regulatory

"Restricted Stock Vesting | Issuer | Compensation"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does TWST's Form 144 report?

Answer: The Form 144 lists proposed sales of TWST common stock by an affiliate. It shows entries for 425, 354, 1,962, and 1,642 shares on the dates 03/06/2026, 03/20/2026, 05/04/2026, and 05/21/2026, with corresponding dollar amounts.

Who is the selling party named in the excerpt?

Answer: The excerpt names an individual at the address 681 Gateway Blvd, South San Francisco, CA 94080 as the seller for the listed transactions. The filing shows that same party for each of the four sale entries.

What prices or proceeds are shown for the sales?

Answer: Each sale row includes a dollar figure: $19,731.14 (425 shares), $15,500.39 (354 shares), $112,125.95 (1,962 shares), and $87,447.34 (1,642 shares). Those amounts appear next to the corresponding trade dates.

Does the excerpt show other equity events for TWST?

Answer: Yes. The excerpt lists multiple restricted stock vesting and ESPP purchase entries dated from 01/01/2022 through 05/02/2024 with specific share counts tied to compensation and ESPP purchases.

Does Form 144 confirm that the sales were executed?

Answer: No. Form 144 is a notice of proposed sales under Rule 144. The excerpt lists sale dates and amounts but does not itself serve as confirmation of settlement or indicate post-sale holdings.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/29/2026 - 01:58 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001883451
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Twist Bioscience Corp
SEC File Number	001-38720
Address of Issuer	681 GATEWAY BLVD. SOUTH SAN FRANCISCO CALIFORNIA 94080
Phone	800-719-0671
Name of Person for Whose Account the Securities are To Be Sold	Cho Dennis
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	14205	990798.75	62271314	05/29/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/01/2022	Restricted Stock Vesting	Issuer			205	01/01/2022	Compensation
Common	04/01/2022	Restricted Stock Vesting	Issuer			205	04/01/2022	Compensation
Common	07/01/2022	Restricted Stock Vesting	Issuer			223	07/01/2022	Compensation
Common	08/19/2022	ESPP Purchase	Issuer			479	08/19/2022	Cash
Common	09/13/2022	Restricted Stock Vesting	Issuer			669	09/13/2022	Compensation
Common	10/01/2022	Restricted Stock Vesting	Issuer			223	10/01/2022	Compensation
Common	12/13/2022	Restricted Stock Vesting	Issuer			167	12/13/2022	Compensation
Common	01/01/2023	Restricted Stock Vesting	Issuer			205	01/01/2023	Compensation
Common	02/17/2023	ESPP Purchase	Issuer			633	02/17/2023	Cash
Common	03/13/2023	Restricted Stock Vesting	Issuer			153	03/13/2023	Compensation
Common	03/19/2023	Restricted Stock Vesting	Issuer			383	03/19/2023	Compensation
Common	04/01/2023	Restricted Stock Vesting	Issuer			205	04/01/2023	Compensation
Common	06/13/2023	Restricted Stock Vesting	Issuer			169	06/13/2023	Compensation
Common	06/19/2023	Restricted Stock Vesting	Issuer			418	06/19/2023	Compensation
Common	07/01/2023	Restricted Stock Vesting	Issuer			223	07/01/2023	Compensation
Common	09/13/2023	Restricted Stock Vesting	Issuer			167	09/13/2023	Compensation
Common	09/19/2023	Restricted Stock Vesting	Issuer			417	09/19/2023	Compensation
Common	10/01/2023	Restricted Stock Vesting	Issuer			223	10/01/2023	Compensation
Common	11/02/2023	Restricted Stock Vesting	Issuer			3626	11/02/2023	Compensation
Common	12/05/2023	Restricted Stock Vesting	Issuer			490	12/05/2023	Compensation
Common	12/13/2023	Restricted Stock Vesting	Issuer			167	12/13/2023	Compensation
Common	12/19/2023	Restricted Stock Vesting	Issuer			417	12/19/2023	Compensation
Common	01/01/2024	Restricted Stock Vesting	Issuer			201	01/01/2024	Compensation
Common	02/02/2024	Restricted Stock Vesting	Issuer			1088	02/02/2024	Compensation
Common	02/20/2024	ESPP Purchase	Issuer			1291	02/20/2024	Cash
Common	03/05/2024	Restricted Stock Vesting	Issuer			478	03/05/2024	Compensation
Common	03/13/2024	Restricted Stock Vesting	Issuer			163	03/13/2024	Compensation
Common	03/19/2024	Restricted Stock Vesting	Issuer			408	03/19/2024	Compensation
Common	04/01/2024	Restricted Stock Vesting	Issuer			212	04/01/2024	Compensation
Common	05/02/2024	Restricted Stock Vesting	Issuer			297	05/02/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	03/06/2026	425	19731.14
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	03/20/2026	354	15500.39
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	05/04/2026	1962	112125.95
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	1642	87447.34

144: Remarks and Signature

Remarks
Date of Notice	05/29/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/17/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Dennis Cho
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)