Affiliate files Form 144 to sell 500 shares of TWST (NASDAQ: TWST)

Rhea-AI Filing Summary

TWST affiliate submitted a Form 144 notice that lists 500 shares of Common Stock proposed for sale. The filing shows these shares relate to a Restricted Stock Vesting event dated 02/07/2024. The filing also records prior sales by Melissa Starovasnik of 1,000 shares on 04/01/2026 for $51,000 and 500 shares on 04/27/2026 for $30,915.

Insights

Securities Compliance Counsel

Form 144 lists a proposed sale of 500 restricted shares and records recent dispositions by the same individual.

Form 144 is a statutory notice required when affiliates propose public resale under Rule 144. The entry shows 500 shares tied to a Restricted Stock Vesting event dated 02/07/2024, indicating these shares became eligible for sale after vesting conditions were met.

Prior reported dispositions include the sale of 1,000 shares on 04/01/2026 for $51,000 and 500 shares on 04/27/2026 for $30,915. Cash‑flow treatment for the proposed sale and broker details are not specified in the provided excerpt.

Key Figures

Proposed sale: 500 shares Prior sale: 1,000 shares Prior sale: 500 shares

3 metrics

Proposed sale 500 shares listed under Securities To Be Sold; Restricted Stock Vesting dated 02/07/2024

Prior sale 1,000 shares sold on 04/01/2026 for <money>$51,000</money>

Prior sale 500 shares sold on 04/27/2026 for <money>$30,915</money>

Key Terms

Restricted Stock Vesting, Form 144, Fidelity Brokerage Services LLC

3 terms

Restricted Stock Vesting regulatory

"Restricted Stock Vesting | Issuer | 500 | 02/07/2024"

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.

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.

Fidelity Brokerage Services LLC financial

"Common | Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

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Accepted by SEC EDGAR 05/26/2026 - 09:43 AM Learn about SEC filing dates

FAQ

What does TWST's Form 144 disclose about shares to be sold?

The Form 144 lists a proposed sale of 500 shares of Common Stock tied to a Restricted Stock Vesting dated 02/07/2024. It identifies the securities class and the vesting origin of the shares.

Who reported prior sales in the filing for TWST (TWST)?

The filing records prior dispositions by Melissa Starovasnik: 1,000 shares sold on 04/01/2026 for $51,000 and 500 shares sold on 04/27/2026 for $30,915. These are reported sale events.

Are the 500 shares in Form 144 newly issued or vested restricted stock for TWST?

The entry labels the 500 shares as Restricted Stock Vesting with an origin date of 02/07/2024, indicating the shares became vested under a compensation arrangement rather than being newly issued at the time of the filing.

Does the Form 144 excerpt state who will receive proceeds from the sale for TWST?

The provided excerpt does not state the recipient of proceeds or specify the planned distribution method. The filing lists the proposed sale quantity and recent past sales, but cash‑flow treatment is not included in the excerpt.

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	500	30520.00	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	02/07/2024	Restricted Stock Vesting	Issuer			500	02/07/2024	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
Melissa Starovasnik 681 Gateway Blvd South San Francisco CA 94080	Common	04/01/2026	1000	51000.00
Melissa Starovasnik 681 Gateway Blvd South San Francisco CA 94080	Common	04/27/2026	500	30915.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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)