TW insider Form 144 reports 14,466-share sales

TW insider files Form 144 reporting planned dispositions of Common Stock by Justin Peterson.

Rhea-AI Filing Summary

TW insider files Form 144 reporting planned dispositions of Common Stock by Justin Peterson. The filing lists Rule 10b5-1 sales: 02/10/2026 sale of 11,254 shares for $1,299,483.62 and 03/18/2026 sale of 3,212 shares for $400,715.63. The transactions are identified as 10b5-1 sales.

Insights

Insider Transactions Analyst

Routine Rule 10b5-1 dispositions by an insider; cash proceeds reported.

The excerpt shows reported 10b5-1 sales by Justin Peterson totaling 14,466 shares across two dates: 02/10/2026 and 03/18/2026

These are routine, pre-arranged dispositions; timing and plan details are listed as 10b5-1. Cash receipts are shown as $1,299,483.62 and $400,715.63. Subsequent filings may provide further context on remaining holdings.

FAQ

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

What did the Form 144 for TW report?

The Form 144 reports 10b5-1 sales by Justin Peterson totaling 14,466 shares across two dates: 02/10/2026 and 03/18/2026, with proceeds of $1,299,483.62 and $400,715.63 respectively.

Who executed the trades reported in TW's Form 144?

The trades are listed as Rule 10b5-1 sales for Justin Peterson. The filing identifies the transactions as pre-arranged 10b5-1 dispositions on the stated dates.

How many shares were sold on 02/10/2026 in the filing?

The filing shows a sale of 11,254 shares on 02/10/2026 for $1,299,483.62, recorded as a 10b5-1 sale by Justin Peterson.

How many shares were sold on 03/18/2026 according to the Form 144?

The Form 144 shows a sale of 3,212 shares on 03/18/2026 for $400,715.63, designated as a 10b5-1 sale by Justin Peterson.

Does the Form 144 state who received the proceeds?

The filing lists cash amounts for each 10b5-1 sale—$1,299,483.62 and $400,715.63—but does not state the recipient beyond the reporting seller in the provided excerpt.

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

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Accepted by SEC EDGAR 03/20/2026 - 04:40 PM EDT 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	0001807231
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	JUSTIN PETERSON
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	1005	126640.05	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			1005	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 JUSTIN PETERSON 245 PARK AVENUE New York NY 10167	Common	03/18/2026	3212	400715.63
10b5-1 Sales for JUSTIN PETERSON 245 PARK AVENUE New York NY 10167	Common	02/10/2026	11254	1299483.62

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/ Justin Peterson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)