FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  LaHurd Christopher
2. Date of Event Requiring Statement (Month/Day/Year)
08/15/2024		 3. Issuer Name and Ticker or Trading Symbol
GATX CORP [GATX]
(Last)
(First)
(Middle)
233 S. WACKER DR.		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, International
5. If Amendment, Date Original Filed (Month/Day/Year)
(Street)

CHICAGO, IL 60606		 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4) 		2. Amount of Securities Beneficially Owned
(Instr. 4) 		3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5) 		4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 1,240
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4) 		2. Date Exercisable and Expiration Date
(Month/Day/Year) 		3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4) 		4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5) 		6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
2022 NQ Stock Option (Right to Buy) 01/28/2023(1) 01/28/2029 Common Stock 400 $ 103.15 D  
2023 NQ Stock Option (Right to Buy) 01/26/2024(1) 01/26/2030 Common Stock 734 $ 113.28 D  
2024 NQ Stock Option (Right to Buy) 01/25/2025(1) 01/25/2031 Common Stock 1,200 $ 126.468 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LaHurd Christopher
233 S. WACKER DR.
CHICAGO, IL 60606		       SVP, International  

Signatures

Lisa M. Ibarra, by Power of Attorney on behalf of Christopher LaHurd 08/16/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 33.33% of Stock Option granted may be exercised commencing 1 year from the date of the grant, an additional 33.33% commencing 2 years from the date of the grant and the remaining 33.34% commencing 3 years from the date of the grant.
 
Remarks:
Exhibit List: Exhibit 1 - Confirming Statement

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