Robert F. Werner sells TWST shares; restricted 1,693 shares vest (TWST)

Rhea-AI Filing Summary

Twist Bioscience reported insider sales by Robert F. Werner. The filing lists sales of Common Stock on 11/24/2025 (822 shares for $23,599.21), 12/08/2025 (230 shares for $7,561.85), 02/03/2026 (175 shares for $8,150.71), and 02/04/2026 (7,000 shares for $319,532.51).

The filing also lists Restricted Stock Vesting of 1,693 Common shares on 02/23/2026 tied to compensation.

Insights

Corporate Governance Analyst

Rule 144 notice documents multiple insider dispositions and a scheduled vesting of restricted shares.

The filing records four separate sales by Robert F. Werner totaling the listed share counts and proceeds on 11/24/2025, 12/08/2025, 02/03/2026, and 02/04/2026. Each row pairs share counts with aggregate dollar amounts.

The excerpt also lists a Restricted Stock Vesting event of 1,693 shares dated 02/23/2026 described as compensation. Subsequent filings may show disposition method or brokerage routing for these vested shares.

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	1693	79079.70	61311704	02/23/2026	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	02/23/2026	Restricted Stock Vesting	Issuer			1693	02/23/2026	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
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	11/24/2025	822	23599.21
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	12/08/2025	230	7561.85
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	02/03/2026	175	8150.71
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	02/04/2026	7000	319532.51

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 insider transactions does TWST Form 144 report?

It reports sales by Robert F. Werner totaling several transactions. The filing lists sales on 11/24/2025 (822 shares, $23,599.21), 12/08/2025 (230 shares, $7,561.85), 02/03/2026 (175 shares, $8,150.71), and 02/04/2026 (7,000 shares, $319,532.51).

Does the filing show any restricted stock vesting for TWST?

Yes — the filing lists a restricted stock vesting event of 1,693 common shares. That vesting is dated 02/23/2026 and is labelled as Compensation in the provided excerpt.

Who is the reporting person named in the TWST excerpt?

The reporting person is Robert F. Werner. His address is listed as 681 Gateway Blvd, South San Francisco, CA, and multiple Common stock sales are shown under his name with dates and dollar amounts.

What amounts were reported for the largest sale listed in the TWST filing?

The largest single sale shown is 7,000 shares for $319,532.51. That sale is dated 02/04/2026 in the excerpt.

Are brokerage or account details included in the TWST excerpt?

The excerpt lists Fidelity Brokerage Services LLC with an address and a line showing 1,693 shares. The line appears alongside the vesting/compensation entry dated 02/23/2026 in the provided content.