GATX executive granted 5,100 stock options

Nero Kimberley reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Nero Kimberley reported acquisition or exercise transactions in this Form 4 filing.

GATX CORP executive receives stock option grant

EVP & Chief HR Officer Kimberley Nero was granted stock options for 5,100 shares of GATX CORP common stock on February 23, 2026. The options were granted at a price of $0.0000 per share as an award, not an open-market purchase.

According to the vesting terms, 33.33% of the option becomes exercisable one year from the grant date, another 33.33% after two years, and the remaining 33.34% after three years. Following this grant, Nero directly holds 4,303 shares of GATX CORP common stock.

Insider Trade Summary

Grant/Award: 5,100 shares

Grant/Award 2 txns

Insider Nero Kimberley

Role EVP & Chief HR Officer

Type	Security	Shares	Price	Value
Grant/Award	2026 NQ Stock Option (Right to Buy)	5,100	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: 2026 NQ Stock Option (Right to Buy) — 5,100 contracts (Direct); Common Stock — 4,303 shares (Direct)

Footnotes (1)

1. F1. 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.

FAQ

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

What did GATX (GATX) executive Kimberley Nero report in this Form 4?

Kimberley Nero reported receiving a grant of stock options for 5,100 GATX CORP shares. These are derivative securities awarded as compensation, not shares bought in the open market, and are subject to a multi-year vesting schedule before they can be fully exercised.

How many GATX (GATX) stock options were granted to Kimberley Nero and at what price?

Kimberley Nero was granted options covering 5,100 shares of GATX CORP common stock at an exercise price of $0.0000 per share. This reflects a compensatory award structure, where the economic value depends on future stock performance and the vesting schedule.

What is the vesting schedule for Kimberley Nero’s GATX (GATX) stock options?

The 5,100 stock options vest in three equal tranches over three years. 33.33% become exercisable one year after the grant date, another 33.33% after two years, and the remaining 33.34% after three years, encouraging longer-term executive retention.

Did Kimberley Nero buy or sell any GATX (GATX) shares in the open market?

The Form 4 does not show any open-market purchases or sales. It reports a grant of 5,100 stock options as a compensation award, with no buy or sell codes, and shows updated direct ownership of 4,303 common shares following the reported transactions.

How many GATX (GATX) common shares does Kimberley Nero own after this Form 4?

After the reported transactions, Kimberley Nero directly owns 4,303 GATX CORP common shares. In addition, she holds stock options to acquire 5,100 shares, subject to the specified vesting schedule before those options can be exercised into common stock.

What role does Kimberley Nero hold at GATX (GATX) related to this equity grant?

Kimberley Nero is the Executive Vice President & Chief HR Officer of GATX CORP. The Form 4 shows a grant of 5,100 stock options, consistent with equity-based executive compensation that aligns management incentives with long-term shareholder interests.

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

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Accepted by SEC EDGAR 02/25/2026 - 06:51 PM Learn about SEC filing dates

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^*

Nero Kimberley

(Last) (First) (Middle)

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief HR Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

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								4,303	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
2026 NQ Stock Option (Right to Buy)	$196.4	02/23/2026		A		5,100		02/23/2027(1)	02/23/2033	Common Stock	5,100	$0.00	5,100	D

Explanation of Responses:

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:

	Lisa M. Ibarra, by Power of Attorney on behalf of Kimberley Nero	02/25/2026
	** 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.