Proposed vesting sale and Robert F. Werner trades (NASDAQ: TWST)

Rhea-AI Filing Summary

Filer submitted a Form 144 notice describing proposed and recent sales of common stock by an affiliate. The filing lists a proposed restricted-stock vesting sale dated 03/05/2026 and multiple reported sales by Robert F. Werner on 12/08/2025, 02/03/2026, 02/04/2026, and 02/23/2026 with share amounts of 230, 175, 7,000, and 1,693 respectively.

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	246	11420.85	61311704	03/06/2026	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	03/05/2026	Restricted Stock Vesting	Issuer			246	03/05/2026	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	12/08/2025	230	7561.85
Robert F. Werner 681 Gateway Blvd, South San Francisco CA 94080	Common	02/03/2026	175	8150.72
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	02/04/2026	7000	319532.51
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	02/23/2026	1693	79079.70

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 TWST's Form 144 disclose about proposed sales?

It discloses a proposed restricted-stock vesting sale dated 03/05/2026. The notice labels the transaction as Restricted Stock Vesting and indicates the sale method as Compensation in the filing excerpt.

Which insider's past sales are reported on the filing for TWST?

The filing reports multiple past sales by Robert F. Werner. It lists sales on 12/08/2025 (230 shares), 02/03/2026 (175 shares), 02/04/2026 (7,000 shares), and 02/23/2026 (1,693 shares).

Are the sale proceeds or prices shown in the TWST excerpt?

The excerpt includes dollar figures adjacent to some sales entries but does not label aggregate proceeds explicitly. Example entries show amounts like 319,532.51 next to the 7,000-share line in the provided text.

Who is listed as the broker or agent in the TWST filing excerpt?

The excerpt lists Fidelity Brokerage Services LLC with an address at 900 Salem Street, Smithfield, RI 02917. That broker is associated with the securities line in the provided content.