Insider Dennis H. Cho sells TWST shares (NASDAQ: TWST) including 5,000-share trade

Rhea-AI Filing Summary

Dennis H. Cho reported sales of common stock and a proposed restricted-stock vesting sale tied to the issuer. The filing lists completed sales of 398 shares on 12/08/2025 ($13,085.28), 324 shares on 12/22/2025 ($11,196.14), 1,099 shares on 02/03/2026 ($51,186.47), 5,000 shares on 02/11/2026 ($249,650.00), and 844 shares on 02/23/2026 ($39,423.07). The record also shows 425 shares associated with a 03/05/2026 restricted stock vesting event.

Insights

Insider Transactions Analyst

Routine affiliate disposal activity reported, with multiple small-to-moderate sales.

The filing lists specific sale dates and proceeds for transactions by Dennis H. Cho, including a 5,000-share sale on 02/11/2026 for $249,650.00. These are direct sale records rather than new corporate actions.

Timing and amounts are explicit in the excerpt; cash‑flow recipients are the selling holder as shown. Subsequent filings may show completion details if required by regulation.

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	425	19731.14	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			425	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
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	12/08/2025	398	13085.28
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	12/22/2025	324	11196.14
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	02/03/2026	1099	51186.47
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	02/11/2026	5000	249650.00
Dennis H. Cho 681 Gateway Blvd South San Francisco CA 94080	Common	02/23/2026	844	39423.07

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 did the Form 144 for TWST disclose about insider Dennis H. Cho's trades?

It discloses multiple sales by Dennis H. Cho, including 5,000 shares on 02/11/2026 for $249,650.00. The filing lists five completed sales with dates and gross proceeds and a separate 425-share restricted stock vesting entry dated 03/05/2026.

How many shares did Dennis H. Cho sell on 02/03/2026 and what were the proceeds?

The filing shows a sale of 1,099 shares on 02/03/2026 with reported gross proceeds of $51,186.47. Each transaction line in the excerpt pairs the share count with the corresponding dollar amount received.

Does the filing show any restricted stock activity for TWST?

Yes; the excerpt lists a restricted stock vesting event for 425 shares dated 03/05/2026 labeled as issuer compensation. The entry identifies the security type and the vesting date in the table.

Are aggregate proceeds or a total share count provided in the Form 144 excerpt?

No aggregate total is provided; the excerpt reports individual sale lines with share counts and proceeds for each date. The filing lists five separate completed sales and one 425-share vesting entry without summing them.

Who appears to receive the cash from the listed sales in the filing?

The proceeds are shown next to each sale line for Dennis H. Cho, indicating the selling holder received the gross amounts (for example, $249,650.00 on 02/11/2026). The excerpt attributes sales to the individual named.