Were the GATX (GATX) share sales by Brian Glassberg open-market transactions?

Yes. The Form 4 describes both GATX share sales as open-market or private transactions with transaction code “S.” Weighted average sale prices were reported, with detailed price breakdowns available from the reporting person upon request.

GATX (GATX) EVP Glassberg exercises options, then sells 2,000 shares

Q: What did GATX (GATX) executive Brian Glassberg report on this Form 4?

Brian L. Glassberg reported exercising options into 2,000 GATX shares and then selling 2,000 shares of common stock in open-market trades. These transactions adjusted his direct holdings but represent a routine insider equity transaction disclosure.

Q: How many GATX (GATX) shares did Brian Glassberg sell and at what prices?

He sold 1,126 shares at a weighted average price of $198.0449 and 874 shares at a weighted average price of $198.6101 . These were open-market sales executed across multiple prices within each reported average range.

Q: What options did Brian Glassberg exercise in GATX (GATX) stock?

He exercised a 2020 non-qualified stock option covering 2,000 shares of GATX common stock at an exercise price of $77.07 per share . This option exercise converted the derivative security into directly held common shares.

Q: What do the weighted average prices mean in Brian Glassberg’s GATX (GATX) trades?

The reported weighted average prices aggregate multiple trades executed at different prices into single average figures. Footnotes explain that highest and lowest sale prices are disclosed, and detailed per-trade share counts can be obtained on request.

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

GATX CORP executive Brian L. Glassberg, EVP, General Counsel & Secretary, reported multiple stock transactions. He exercised a 2020 non-qualified stock option for 2,000 shares, receiving common stock at an exercise price of $77.07 per share. On the same date, he then sold 1,126 shares of common stock at a weighted average price of $198.0449 per share and a further 874 shares at a weighted average price of $198.6101 per share in open-market transactions. After these transactions, he directly owned 7,041 shares of GATX common stock.

Insider Trade Summary

Net Seller: 2,000 shares ($396,584)

Net Sell 4 txns

Insider Glassberg Brian L

Role EVP, General Counsel & Secy.

Sold 2,000 shs ($397K)

Type	Security	Shares	Price	Value
Exercise	2020 NQ Stock Option (Right to Buy)	2,000	$0.00	--
Exercise	Common Stock	2,000	$77.07	$154K
Sale	Common Stock	1,126	$198.0449	$223K
Sale	Common Stock	874	$198.6101	$174K

Holdings After Transaction: 2020 NQ Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 9,041 shares (Direct)

Footnotes (1)

Represents the weighted average sale price. The highest price at which shares were sold was $198.2250 and the lowest price at which shares were sold was $197.2700. 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. Represents the weighted average sale price. The highest price at which shares were sold was $198.9012 and the lowest price at which shares were sold was $198.2825. 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/24/2026 - 06:50 PM

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^*

Glassberg Brian L

(Last)

(First)

(Middle)

233 S. WACKER DR.

(Street)

CHICAGO

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, General Counsel & Secy.

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/20/2026		M		2,000	A	$77.07	9,041	D
Common Stock	02/20/2026		S		1,126	D	$198.0449⁽¹⁾	7,915	D
Common Stock	02/20/2026		S		874	D	$198.6101⁽²⁾	7,041	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
2020 NQ Stock Option (Right to Buy)	$77.07	02/20/2026		M			2,000	01/31/2021	01/31/2027	Common Stock	2,000	$0.00	0.00	D

Explanation of Responses:

1. Represents the weighted average sale price. The highest price at which shares were sold was $198.2250 and the lowest price at which shares were sold was $197.2700. 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.

2. Represents the weighted average sale price. The highest price at which shares were sold was $198.9012 and the lowest price at which shares were sold was $198.2825. 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 Brian L. Glassberg	02/24/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did GATX (GATX) executive Brian Glassberg report on this Form 4?

Brian L. Glassberg reported exercising options into 2,000 GATX shares and then selling 2,000 shares of common stock in open-market trades. These transactions adjusted his direct holdings but represent a routine insider equity transaction disclosure.

How many GATX (GATX) shares did Brian Glassberg sell and at what prices?

He sold 1,126 shares at a weighted average price of $198.0449 and 874 shares at a weighted average price of $198.6101. These were open-market sales executed across multiple prices within each reported average range.

What options did Brian Glassberg exercise in GATX (GATX) stock?

He exercised a 2020 non-qualified stock option covering 2,000 shares of GATX common stock at an exercise price of $77.07 per share. This option exercise converted the derivative security into directly held common shares.

How many GATX (GATX) shares does Brian Glassberg own after these transactions?

Following the option exercise and subsequent sales, Brian L. Glassberg directly owns 7,041 shares of GATX common stock. This figure reflects his remaining direct stake immediately after the reported transactions were completed.

What do the weighted average prices mean in Brian Glassberg’s GATX (GATX) trades?

The reported weighted average prices aggregate multiple trades executed at different prices into single average figures. Footnotes explain that highest and lowest sale prices are disclosed, and detailed per-trade share counts can be obtained on request.