Sale of 7,000 common shares planned at Company (NASDAQ: TWST)

Rhea-AI Filing Summary

Robert F. Werner has filed a notice of proposed sale of 7,000 common shares, with an aggregate market value of $319,532.51, to be sold through Fidelity Brokerage Services LLC on NASDAQ around 02/04/2026. The filing lists 61,311,704 common shares outstanding.

The 7,000 shares come from restricted stock that vested as compensation between 05/22/2024 and 02/02/2025, in multiple smaller tranches. The notice also reports past three-month sales by Werner totaling 1,456 shares across four transactions, with disclosed gross proceeds for each sale.

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	7000	319532.51	61311704	02/04/2026	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	05/22/2024	Restricted Stock Vesting	Issuer			4103	05/22/2024	Compensation
Common	06/05/2024	Restricted Stock Vesting	Issuer			289	06/05/2024	Compensation
Common	08/02/2024	Restricted Stock Vesting	Issuer			184	08/02/2024	Compensation
Common	11/05/2024	Restricted Stock Vesting	Issuer			1952	11/05/2024	Compensation
Common	12/05/2024	Restricted Stock Vesting	Issuer			305	12/05/2024	Compensation
Common	02/02/2025	Restricted Stock Vesting	Issuer			167	02/02/2025	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
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	11/21/2025	229	6069.30
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

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 this Form 144 filing for TWST disclose?

The filing discloses that Robert F. Werner intends to sell 7,000 common shares under Rule 144. It details share origin, acquisition dates, compensation-based vesting, broker information, recent prior sales, and the aggregate market value of $319,532.51 tied to this planned sale.

How many TWST shares are covered by Robert F. Werner’s planned sale?

Robert F. Werner’s notice covers a planned sale of 7,000 common shares. The filing ties this to an aggregate market value of $319,532.51 and indicates the shares will be sold through Fidelity Brokerage Services LLC on NASDAQ around February 4, 2026.

How were the TWST shares in this Form 144 acquired?

The shares were acquired through restricted stock vesting granted by the issuer as compensation. Vesting occurred in multiple tranches between May 22, 2024, and February 2, 2025, with each tranche listing the number of shares acquired and the corresponding vesting and payment dates.

What recent TWST share sales by Robert F. Werner are disclosed?

The filing lists four sales of common shares over the past three months: 229 shares on November 21, 2025, 822 on November 24, 2025, 230 on December 8, 2025, and 175 on February 3, 2026, each with specified gross proceeds for those transactions.

How many TWST shares are outstanding according to this Form 144?

The notice states that 61,311,704 common shares are outstanding. This figure provides context for the size of the proposed 7,000-share sale and is presented as the issuer’s total common shares outstanding at the time referenced in the document.

Which broker will handle the planned TWST share sale in this Form 144?

The proposed sale will be handled by Fidelity Brokerage Services LLC. The filing lists Fidelity’s address in Smithfield, Rhode Island, and notes that the 7,000 common shares are expected to be sold on the NASDAQ market under Rule 144 procedures.