Insider plans sale of 5,001 common shares

An insider of the company trading under symbol TWST has filed a Rule 144 notice to sell 5,001 shares of common stock through Fidelity Brokerage Services LLC on or about 02/03/2026 on the NASDAQ, with an aggregate market value listed as $232,924.08.

Rhea-AI Filing Summary

An insider of the company trading under symbol TWST has filed a Rule 144 notice to sell 5,001 shares of common stock through Fidelity Brokerage Services LLC on or about 02/03/2026 on the NASDAQ, with an aggregate market value listed as $232,924.08.

The 5,001 shares were acquired on 02/02/2026 via restricted stock vesting from the issuer as compensation. The filer also reports prior sales in the last three months, including 4,887 common shares sold on 11/03/2025 for gross proceeds of $156,772.03. By signing, the seller represents they are not aware of undisclosed material adverse information about the issuer.

FAQ

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

What does the TWST Rule 144 filing disclose about upcoming share sales?

The filing discloses a planned sale of 5,001 TWST common shares. An insider intends to sell 5,001 shares on or about February 3, 2026 on NASDAQ, with an aggregate market value reported as $232,924.08, using Fidelity Brokerage Services LLC as broker.

How were the 5,001 TWST shares in the Rule 144 notice acquired?

The 5,001 TWST shares came from restricted stock vesting. The insider acquired these common shares on February 2, 2026 through restricted stock vesting from the issuer, recorded as compensation rather than a cash purchase, before filing the Rule 144 sale notice.

What recent TWST share sales by the same insider are reported in the filing?

The filing lists several prior TWST share sales. Reported transactions include 4,887 common shares sold on November 3, 2025 for $156,772.03, plus additional sales on November 21, 2025, December 8, 2025, and December 22, 2025 with separately stated amounts and gross proceeds.

Which broker and exchange are involved in the planned TWST Rule 144 sale?

The insider plans to sell TWST shares via Fidelity on NASDAQ. The notice names Fidelity Brokerage Services LLC, based in Smithfield, Rhode Island, as the broker and indicates that the 5,001 common shares will be sold on the NASDAQ stock market.

What representation does the TWST insider make about non-public information?

The insider states they know no undisclosed adverse information. By signing the notice, the selling person represents that they are not aware of any material adverse information about the issuer’s current or prospective operations that has not already been publicly disclosed.

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

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Accepted by SEC EDGAR 02/03/2026 - 03:19 PM EST 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	5001	232924.08	61311704	02/03/2026	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	02/02/2026	Restricted Stock Vesting	Issuer			5001	02/02/2026	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	11/03/2025	4887	156772.03
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	11/21/2025	2663	70578.82
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	12/08/2025	2255	74138.99
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	12/22/2025	1605	55462.38

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	02/03/2026
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 Emily Leproust
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)