Twist Bioscience (TWST) Form 144 Reports 269-Share Sale; Prior Sales Total 1,755 Shares

Rhea-AI Filing Summary

Twist Bioscience (TWST) filed a Form 144 reporting a proposed insider sale of common stock and recent related transactions. The notice shows 269 shares that vested as restricted stock on 09/05/2025 and are planned for sale on 09/08/2025 through Fidelity Brokerage Services (NASDAQ). The filing lists an aggregate market value for the 269 shares of $6,929.41 and identifies the payment as compensation for the vesting. The filer also reported five open-market sales by the same person over the prior three months totaling 1,755 shares for gross proceeds of $51,687.54. The filer certifies no undisclosed material information.

Positive

• Vested shares identified (269 shares acquired 09/05/2025 via restricted stock vesting), clarifying the basis for sale
• Broker identified (Fidelity Brokerage Services LLC), providing a clear execution channel for the sale
• Full disclosure of prior sales in the preceding three months, improving transparency

Negative

• Insider sold 1,755 shares in the past three months for aggregate gross proceeds of $51,687.54, which may be viewed negatively by some investors
• Proposed sale has an aggregate market value of $6,929.41 for the 269 shares, indicating additional insider liquidity

Insights

Securities Analyst

TL;DR: Routine insider sale filing: small equity vesting and disclosed market sales; not clearly material to company fundamentals.

The Form 144 documents a typical post-vesting sale process: 269 shares vested and are designated for sale via a broker, with prior open-market dispositions totaling 1,755 shares and $51,687.54 in proceeds. Transaction sizes are small relative to a public company scale and are recorded as compensation-related. The filing contains no new operational or financial data about Twist Bioscience and includes the standard representation that no material nonpublic information is held.

Corporate Governance Expert

TL;DR: Disclosure complies with Rule 144 mechanics; the pattern of recent sales is visible but not necessarily material.

The notice properly identifies the acquisition method (restricted stock vesting) and the broker. The recent sales history is fully reported, enabling transparency about insider liquidity. There is no indication of trading plan adoption dates or other commentary in the filing. From a governance perspective, documentation appears routine and complete for a Form 144.

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	269	6929.41	60360925	09/08/2025	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	09/05/2025	Restricted Stock Vesting	Issuer			269	09/05/2025	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	06/16/2025	94	3146.65
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	06/20/2025	230	8223.58
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	07/02/2025	125	4524.14
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	08/04/2025	785	22265.82
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	08/21/2025	521	13527.35

144: Remarks and Signature

Remarks

Date of Notice

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 does the TWST Form 144 report?

It reports a proposed sale of 269 common shares that vested 09/05/2025 and are planned for sale on 09/08/2025 through Fidelity Brokerage Services.

How many shares did the insider sell in the past three months for TWST?

The filer sold 1,755 shares across five transactions on 06/16/2025, 06/20/2025, 07/02/2025, 08/04/2025 and 08/21/2025.

What were the gross proceeds from recent insider sales reported in the filing?

Gross proceeds totaled $51,687.54 from the five reported sales in the prior three months.

How were the 269 shares acquired according to the filing?

The 269 shares were acquired via restricted stock vesting on 09/05/2025 and payment is listed as compensation.

Which broker will handle the proposed sale of TWST shares?

Fidelity Brokerage Services LLC is named as the broker for the proposed sale.