884-share Rule 144 sale by insider at TWST (NASDAQ: TWST)

Rhea-AI Filing Summary

TWST reported an insider sale filing under Rule 144 for Common Stock. The filing lists 884 shares of Common Stock to be sold on 06/05/2026 following a Restricted Stock Vesting entry. The filing also discloses three prior dispositions by Paula Green of 297, 1,116 and 1,399 shares on 03/20/2026, 05/04/2026 and 05/21/2026, respectively.

Insights

Securities Compliance Analyst

Form 144 notice documents planned resale and recent dispositions by an insider.

The filing records 884 shares of Common Stock to be sold on 06/05/2026 after a Restricted Stock Vesting event. It also lists three prior sales by Paula Green of 297, 1,116, and 1,399 shares on the dates shown.

These entries are procedural disclosures under resale rules; timing and execution details for the listed sale are governed by Rule 144 conditions and are not further specified in the excerpt.

Key Figures

Planned resale: 884 shares Prior disposition 1: 297 shares Prior disposition 2: 1,116 shares +2 more

5 metrics

Planned resale 884 shares To be sold on 06/05/2026 after Restricted Stock Vesting

Prior disposition 1 297 shares Sold on 03/20/2026 by Paula Green

Prior disposition 2 1,116 shares Sold on 05/04/2026 by Paula Green

Prior disposition 3 1,399 shares Sold on 05/21/2026 by Paula Green

Exchange NASDAQ Listing indicated in the securities row

Key Terms

Form 144, Restricted Stock Vesting, Rule 144

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 | 06/05/2026 | 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.

Rule 144 regulatory

"Securities To Be Sold | Common | To Be Sold"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

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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	884	61742.27	62271314	06/08/2026	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	06/05/2026	Restricted Stock Vesting	Issuer			884	06/05/2026	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
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	03/20/2026	297	13004.56
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	05/04/2026	1116	63778.06
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	1399	74505.99

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 filing mean?

It notifies the SEC of an intended resale of restricted or control securities. The filing lists 884 shares to be sold on 06/05/2026 and reports prior dispositions by Paula Green in March and May 2026.

Who reported the recent share sales in the TWST filing?

Paula Green is named as the reporting person for recent dispositions. The filing shows sales of 297, 1,116, and 1,399 shares on the dates listed in 2026.

Are the 884 shares in TWST already vested?

The filing ties the 884 shares to a Restricted Stock Vesting event dated 06/05/2026. The entry lists the shares as 'To Be Sold' following that vesting.

Does the Form 144 provide sale proceeds or prices for TWST transactions?

The excerpt shows monetary amounts adjacent to rows but does not state sale prices or total proceeds in descriptive form. The filing lists share counts and dates for each disposition.