[Form 4] GATX Corporation Insider Trading Activity

Rhea-AI Filing Summary

Anne L. Arvia, a director of GATX Corp (GATX), reported a sale of 979 shares of GATX common stock on 08/22/2025. The Form 4 shows the transaction code S (sale) with a weighted average sale price of $165.3516, noting the highest sale price was $165.85 and the lowest was $165.3501. After the sale, the reporting person beneficially owned 33,077 shares. The Form 4 was signed by Lisa M. Ibarra by power of attorney on behalf of Anne L. Arvia.

Positive

• Timely disclosure of an insider sale via a filed Form 4
• Post-transaction beneficial ownership is clearly reported as 33,077 shares

Negative

• Disposition of 979 shares by a director reduces direct holdings
• No explanatory context is provided for the sale within the Form 4

Insights

Financial Analyst

TL;DR: Routine insider disposition disclosed; 979 shares sold at a weighted average of $165.3516, leaving 33,077 shares held.

The filing documents a non-derivative sale by a company director, using transaction code S. The report provides the weighted average sale price and the range of prices realized. This is a straightforward compliance disclosure that updates outstanding beneficial ownership; no derivative or option activity is reported. The filing does not include context on reasons for the sale or any related plans.

Corporate Governance Expert

TL;DR: Form 4 shows an executed sale by a director, properly reported and signed by a power of attorney.

The document indicates the reporting person is a director and that the Form 4 was filed by one reporting person. Signature by an agent under power of attorney is noted. The filing meets disclosure requirements by specifying post-transaction beneficial ownership and price details. The record does not show any 10% ownership, amendments, or scheduled plan indicators on the face of the form.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Arvia Anne L

(Last) (First) (Middle)

C/O 233 S. WACKER DR.

(Street)

CHICAGO IL 60606

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GATX CORP [ GATX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/22/2025		S		979	D	$165.3516(1)	33,077	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the weighted average sale price. The highest price at which shares were sold was $165.8500 and the lowest price at which shares were sold was $165.3501. Information regarding the number of shares sold at each separate price will be made available from the reporting person upon request by the SEC, the issuer or its shareholders.

Remarks:

	Lisa M. Ibarra, by Power of Attorney on behalf of Anne L. Arvia	08/22/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Anne L. Arvia report on the GATX Form 4?

She reported a sale of 979 shares of GATX common stock on 08/22/2025 with a weighted average price of $165.3516.

How many GATX shares does Anne L. Arvia own after the transaction?

33,077 shares beneficially owned following the reported sale.

What price range is disclosed for the sale on the Form 4?

Highest price $165.85 and lowest price $165.3501; the form reports a weighted average sale price of $165.3516.

Who signed the Form 4 for Anne L. Arvia?

Lisa M. Ibarra, by power of attorney, signed the Form 4 on behalf of Anne L. Arvia on 08/22/2025.

Was this Form 4 filed by multiple reporting persons?

No; the form indicates it was filed by one reporting person.