TW Form 144: Amy Clack sells 1,677 shares

Issuer Form 144 shows a planned sale by Amy Clack via a 10b5-1 plan.

Rhea-AI Filing Summary

Issuer Form 144 shows a planned sale by Amy Clack via a 10b5-1 plan. The filing lists a sale of 1,677 shares of Common Stock on 02/10/2026 for $192,318.36. The filing also lists 271 Restricted Stock Units tied to 03/17/2026.

Insights

Corporate Governance Analyst

Insider executed a planned 10b5-1 disposition; magnitude is modest.

The filing records a 10b5-1 sale by Amy Clack of 1,677 shares on 02/10/2026 with proceeds of $192,318.36. The reported amount is a specific, executed disposition under a pre-arranged plan.

Filing also lists 271 Restricted Stock Units associated with 03/17/2026. Cash‑flow treatment and whether the RSUs represent an additional market sale are not detailed in the provided excerpt; subsequent reports would clarify execution or settlement details.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Amy Clack report in the Form 144 for TW?

Amy Clack reported a 10b5-1 sale of 1,677 shares of Common Stock on 02/10/2026, yielding $192,318.36. The filing also lists 271 Restricted Stock Units dated 03/17/2026.

How many shares were sold under the 10b5-1 plan in the TW filing?

The filing shows a sale of 1,677 shares executed under a 10b5-1 plan on 02/10/2026. The transaction proceeds are listed as $192,318.36 in the excerpt.

Does the Form 144 for TW list any Restricted Stock Units?

Yes. The excerpt lists 271 Restricted Stock Units associated with 03/17/2026. The filing identifies the instrument and date but does not detail settlement mechanics in the provided text.

Was the sale by Amy Clack an open‑market trade or pre‑arranged?

The sale is described as a 10b5-1 sale, indicating it was executed pursuant to a pre-arranged plan. The excerpt explicitly labels the transaction as a 10b5-1 sale on 02/10/2026.

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

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Accepted by SEC EDGAR 03/20/2026 - 04:37 PM Learn about SEC filing dates

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	0002030787
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Tradeweb Markets Inc.
SEC File Number	001-38860
Address of Issuer	245 PARK AVENUE New York NEW YORK 10167
Phone	6464306000
Name of Person for Whose Account the Securities are To Be Sold	AMY CLACK
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	Officer

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	271	34148.71	115657833	03/20/2026	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	03/17/2026	Restricted Stock Units	Issuer			271	03/17/2026	N/A

* 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
10b5-1 Sales for AMY CLACK 245 PARK AVENUE New York NY 10167	Common	02/10/2026	1677	192318.36

144: Remarks and Signature

Remarks
Date of Notice	03/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/03/2025
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	/s/ Amy Clack
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)