Robert Werner sells multiple TWST (NASDAQ: TWST) share blocks in May 2026

Rhea-AI Filing Summary

TWST reported insider sales via Form 144 by Robert F. Werner. The filing lists four disposals of Common shares on ranging from $9,372.40 to $282,186.64, with share counts of 164, 4,961, 688, and 800. The transactions follow recent restricted stock vesting events on for compensation.

Insights

Securities Compliance Analyst

Routine Form 144 disclosures showing officer/entity dispositions.

The filing lists four dispositions by Robert F. Werner with discrete share counts and dollar amounts attached. These are reported sales under Form 144 rules and include amounts derived from recent restricted stock vesting entries dated in May 2025.

Cash‑flow treatment and whether sales were under a trading plan are not stated; subsequent filings may clarify method or plan attribution.

Key Figures

Shares sold (example): 164 shares Shares sold (example): 4,961 shares Shares sold (example): 688 shares +4 more

7 metrics

Shares sold (example) 164 shares sale on 05/04/2026

Shares sold (example) 4,961 shares sale on 05/08/2026

Shares sold (example) 688 shares sale on 05/21/2026

Shares sold (example) 800 shares sale on 05/26/2026

Proceeds listed (example) $282,186.64 proceeds for 4,961-share sale on 05/08/2026

Restricted stock vesting 91 shares vesting on 05/20/2025 labeled Compensation

Restricted stock vesting 1,036 shares vesting on 05/22/2025 labeled Compensation

Key Terms

Form 144, Restricted Stock Vesting, Issuer

3 terms

Form 144 regulatory

"The filing lists sales and dollar amounts for officer dispositions"

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

"Restricted Stock Vesting entries dated 05/20/2025 and 05/22/2025"

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.

Issuer legal

"Vesting entries are labeled with role 'Issuer' for compensation"

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 06/08/2026 - 05:17 PM Accepted by SEC EDGAR 06/08/2026 - 05:16 PM Learn about SEC filing dates

FAQ

What sales does TWST Form 144 disclose by Robert F. Werner?

The Form 144 reports four Common share dispositions by Robert F. Werner: 164, 4,961, 688, and 800 shares, with dollar amounts $9,372.40, $282,186.64, $36,640.54, and $49,987.20 respectively, on disclosed May 2026 dates.

Are the sold shares tied to compensation or vesting for TWST (TWST)?

The excerpt shows restricted stock vesting events dated with grants of 91 and 1,036 shares labeled as compensation. The Form 144 lists subsequent sales; the filing links vesting entries and later dispositions in the same excerpt.

Does the Form 144 state proceeds recipients or trading-plan details for TWST?

Direct proceeds recipients and any Rule 10b5‑1 or trading‑plan references are not included in the excerpt. The filing shows dollar amounts for each sale but does not specify who received proceeds or whether sales followed a plan.

What dates are shown for the transactions and vesting in the TWST excerpt?

Vesting events are shown on and in May 2025 for restricted stock. Reported sales occurred on and other May 2026 dates: specifically listed sales dates in May 2026 for each transaction in the excerpt.

How can I verify the timing and settlement of these TWST transactions?

The excerpt provides transaction dates and dollar amounts for each sale. For settlement details, plan attribution, or confirmations, review the complete Form 144 filing on the public SEC portal or subsequent related filings that disclose settlement or plan information.

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	1127	77841.89	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	05/20/2025	Restricted Stock Vesting	Issuer			91	05/20/2025	Compensation
Common	05/22/2025	Restricted Stock Vesting	Issuer			1036	05/22/2025	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	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
Robert F. Werner 681 Gateway Blvd South San Francisco CA 94080	Common	05/26/2026	800	49987.20

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)