TWST (TWST) Form 144: Director/resignee plans sale of 800 vested shares

Rhea-AI Filing Summary

TWST submitted a Form 144 notice reporting the proposed sale of 800 shares of Common Stock arising from restricted stock vesting on 05/22/2026. The filing lists several prior dispositions in 2026 by Robert F. Werner, including sales of 1,693, 246, 164, 4,961, and 688 shares on various dates with dollar proceeds shown. The filing names Fidelity Brokerage Services LLC as the broker and classifies the 800 shares as compensation-related shares.

Insights

Securities Compliance Counsel

Form 144 notice for an 800-share resale following restricted stock vesting; routine compliance filing.

The filing records a proposed resale of 800 shares tied to restricted stock vesting on 05/22/2026, and names Fidelity Brokerage Services LLC as broker. The entry is procedural under Rule 144 to notify the market of an intended sale.

Cash‑flow treatment and timing of any market transactions are not stated in the excerpt; subsequent trade execution and availability depend on Rule 144 conditions and broker arrangements disclosed in later transaction reports.

Key Figures

Proposed resale: 800 shares Prior disposition: 1,693 shares Prior disposition: 246 shares +3 more

6 metrics

Proposed resale 800 shares Restricted Stock Vesting on 05/22/2026

Prior disposition 1,693 shares Sale on 02/23/2026; proceeds $79,079.70

Prior disposition 246 shares Sale on 03/06/2026; proceeds $11,420.85

Prior disposition 164 shares Sale on 05/04/2026; proceeds $9,372.40

Prior disposition 4,961 shares Sale on 05/08/2026; proceeds $282,186.64

Prior disposition 688 shares Sale on 05/21/2026; proceeds $36,640.54

Key Terms

Form 144, Restricted Stock Vesting, Fidelity Brokerage Services LLC

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 05/22/2026 | Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

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Accepted by SEC EDGAR 05/26/2026 - 03:41 PM Learn about SEC filing dates

FAQ

What does TWST's Form 144 report about the 800 shares?

The notice reports a proposed sale of 800 shares of Common Stock tied to restricted stock vesting on 05/22/2026. It lists the broker as Fidelity Brokerage Services LLC and classifies the sale as compensation-related.

Who is listed as the broker for the proposed TWST sale?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI as the broker. The broker appears next to the securities row for the planned disposition.

Does the Form 144 show recent sales by an insider for TWST?

Yes. The filing lists prior dispositions by Robert F. Werner in 2026: 1,693, 246, 164, 4,961, and 688 shares, each with dollar proceeds shown next to the transaction date.

Are proceeds or exact execution details for the 800 shares shown in the excerpt?

The excerpt identifies the 800 shares and vesting date 05/22/2026 but does not show any executed sale proceeds or execution timing for those 800 shares. It records the broker and transaction classification only.

Is the 800-share entry described as compensation or an issuer sale?

The filing classifies the 800-share row as arising from Restricted Stock Vesting and labels the source as Issuer with transaction purpose Compensation.

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	800	49987.20	62271314	05/26/2026	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	05/22/2026	Restricted Stock Vesting	Issuer			800	05/22/2026	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	02/23/2026	1693	79079.70
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	03/06/2026	246	11420.85
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	05/04/2026	164	9372.40
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	05/08/2026	4961	282186.64
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	688	36640.54

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)