[144] GATX Corporation SEC Filing

Rhea-AI Filing Summary

GATX Corporation Form 144 notice reports a proposed sale of 979 shares of common stock through Charles Schwab (3000 Schwab Way, Westlake, TX). The filing lists an aggregate market value of $162,651 and shows 35,600,000 shares outstanding. The securities were acquired on 04/26/2025 as executive equity compensation, with payment recorded on the same date. The filer indicates no securities sold by the reporting person in the past three months. The approximate date of sale is listed as 08/22/2025 and the proposed transaction is to occur on the NYSE. The notice includes the required attestation about lack of undisclosed material information.

Insights

Securities Compliance Analyst

TL;DR: Routine insider sale filing disclosing a small disposition of equity compensation; primarily a compliance disclosure.

The Form 144 documents a proposed sale of 979 common shares by a person who received those shares as executive compensation on 04/26/2025. The filing supplies broker details, an approximate sale date of 08/22/2025, and an aggregate market value of $162,651. Given the size of the proposed sale versus the reported 35.6 million shares outstanding, this appears to be a modest, routine disposition designed to meet regulatory disclosure requirements. The filing also confirms no other sales in the prior three months and includes the standard attestation regarding material nonpublic information.

Corporate Governance Specialist

TL;DR: Transparent disclosure of executive equity sale; no indications of unusual timing or material disclosure gaps.

The notice shows securities were acquired as equity compensation and are being offered for sale through a registered broker on the NYSE. The record that no other sales occurred in the past three months and the inclusion of the statutory attestation suggest adherence to Rule 144 procedures. The transaction size is small relative to outstanding shares, indicating limited potential market impact. The filing does not present information on any trading plan adoption or Rule 10b5-1 instructions.

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	Charles Schwab Corporation 3000 Schwab Way Westlake TX 76262	979	162651.00	35600000	08/22/2025	NYSE

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	04/26/2025	Executive Compensation	Issuer			979	04/26/2025	Equity 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

Nothing to Report

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)