TWST Form 144: Insider Plans Sale of 476 Shares on 10/02/2025

Form 144 notice for Twist Bioscience Corp (TWST): An insider submitted a Rule 144 notice to sell 476 shares of common stock on 10/02/2025 through Fidelity Brokerage Services on the NASDAQ.

Rhea-AI Filing Summary

Form 144 notice for Twist Bioscience Corp (TWST): An insider submitted a Rule 144 notice to sell 476 shares of common stock on 10/02/2025 through Fidelity Brokerage Services on the NASDAQ. The filing reports the shares were acquired by restricted stock vesting on 10/01/2025 and were paid as compensation. The filing lists 60,360,925 shares outstanding and an aggregate market value for the 476 shares of $13,880.59. The document also discloses five prior sales by the same person between 07/02/2025 and 09/22/2025 totaling 12,766 shares with gross proceeds shown for each sale. The notice contains the required representation that the seller is not aware of undisclosed material adverse information about the issuer.

FAQ

Who filed the Form 144 for Twist Bioscience (TWST)?

The filing reports proposed sales for a person identified as the seller, with prior sales listed under the name Emily M. Leproust at the address provided.

How many shares does the Form 144 propose to sell and on what date?

The notice proposes the sale of 476 common shares with an approximate sale date of 10/02/2025.

How were the 476 shares acquired according to the filing?

The filing states the shares were acquired on 10/01/2025 via restricted stock vesting and paid as compensation.

What prior insider sales are disclosed in the filing?

The filing lists five prior sales by the same person between 07/02/2025 and 09/22/2025 totaling 12,766 shares with gross proceeds for each sale shown.

On which exchange will the proposed sale occur?

The proposed sale is listed to occur on NASDAQ through Fidelity Brokerage Services LLC.

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Accepted by SEC EDGAR 10/02/2025 - 03:21 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	0001753655
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	Leproust Emily M.
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
Relationship to Issuer	Director

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	476	13880.59	60360925	10/02/2025	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	10/01/2025	Restricted Stock Vesting	Issuer			476	10/01/2025	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
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	07/02/2025	476	17227.92
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	08/04/2025	5585	158413.50
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	08/21/2025	2716	70518.77
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	09/08/2025	2265	58346.17
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	09/22/2025	1704	46962.07

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	10/02/2025
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/ Tyler Johnson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Emily M. Leproust
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)