Director sells 14,205 shares; TWST reporting person lists multiple disposals (TWST)

Rhea-AI Filing Summary

Twist Bioscience-related reporting person reported sales of Common Stock in multiple transactions. The largest single sale listed was 14,205 shares for $990,798.75 on 05/29/2026, with additional sales of 1,962 shares ($112,125.95), 1,642 shares ($87,447.34), 402 shares ($28,077.37), and 346 shares ($30,213.55) on the dates shown.

Insights

Corporate Governance Analyst

Multiple open-market dispositions by a reporting person are disclosed.

The filing lists five separate Common Stock sales by the reporting person, the largest being 14,205 shares for $990,798.75 on 05/29/2026. The transactions are itemized with share counts and gross proceeds.

These entries are routine disclosure of insider dispositions under resale rules; cash‑flow treatment is the proceeds to the selling holder and timing is per the listed trade dates.

Key Figures

Largest sale: 14,205 shares Sale on 05/04/2026: 1,962 shares Sale on 05/21/2026: 1,642 shares +3 more

6 metrics

Largest sale 14,205 shares 05/29/2026; proceeds $990,798.75

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

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

Sale on 06/08/2026 402 shares proceeds $28,077.37

Sale on 06/22/2026 346 shares proceeds $30,213.55

Restricted stock vesting examples 5,552 shares vesting entry dated 10/01/2024 (example from multiple 2024 vesting entries)

Key Terms

Form 144, Restricted Stock Vesting, proceeds, Issuer

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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

"Common | 10/01/2024 | Restricted Stock Vesting | Issuer"

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.

proceeds financial

"14205 | 1274898.75 | 62271314"

Issuer regulatory

"Restricted Stock Vesting | Issuer"

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Available on EDGAR 06/24/2026 - 02:45 PM Accepted by SEC EDGAR 06/24/2026 - 02:44 PM 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
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1274898.75	62271314	06/24/2026	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	05/02/2024	Restricted Stock Vesting	Issuer			979	05/02/2024	Compensation
Common	06/05/2024	Restricted Stock Vesting	Issuer			474	06/05/2024	Compensation
Common	06/13/2024	Restricted Stock Vesting	Issuer			161	06/13/2024	Compensation
Common	06/19/2024	Restricted Stock Vesting	Issuer			404	06/19/2024	Compensation
Common	07/01/2024	Restricted Stock Vesting	Issuer			215	07/01/2024	Compensation
Common	08/02/2024	Restricted Stock Vesting	Issuer			1136	08/02/2024	Compensation
Common	09/05/2024	Restricted Stock Vesting	Issuer			475	09/05/2024	Compensation
Common	09/13/2024	Restricted Stock Vesting	Issuer			162	09/13/2024	Compensation
Common	09/19/2024	Restricted Stock Vesting	Issuer			404	09/19/2024	Compensation
Common	10/01/2024	Restricted Stock Vesting	Issuer			5552	10/01/2024	Compensation
Common	11/02/2024	Restricted Stock Vesting	Issuer			1186	11/02/2024	Compensation
Common	11/05/2024	Restricted Stock Vesting	Issuer			2989	11/05/2024	Compensation
Common	11/08/2024	Restricted Stock Vesting	Issuer			68	11/08/2024	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	05/04/2026	1962	112125.95
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	1642	87447.34
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	05/29/2026	14205	990798.75
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	06/08/2026	402	28077.37
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	06/22/2026	346	30213.55

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did the Form 144 for TWST report?

The Form 144 shows five reported sales of Common Stock by the reporting person. The largest was 14,205 shares for $990,798.75 on 05/29/2026, with four smaller sales on other dates totaling separate amounts.

Who sold the shares disclosed in the TWST Form 144?

The sales are reported by a named individual at an address in South San Francisco. The filing lists the seller as the reporting person who executed the five transactions on the dates shown.

How many shares and proceeds are listed for the largest sale?

The largest single transaction listed is 14,205 shares with gross proceeds of $990,798.75 executed on 05/29/2026, as shown in the filing excerpt.

Do these Form 144 entries show restricted stock vesting activity?

The excerpt includes multiple Restricted Stock Vesting entries with grant/vesting dates in 2024 and associated share counts; those lines document compensation vesting events separate from the subsequent sales.

Are the trades listed on specific dates in the filing?

Yes; each sale row includes a trade date: 05/04/2026, 05/21/2026, 05/29/2026, 06/08/2026, and 06/22/2026, with corresponding share counts and proceeds.