Brian L. Glassberg

CIK: 0001956917

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (25.0%)

Position reduction

Option Exercises (M)1 (12.5%)

Derivative conversions

Awards (A)3 (37.5%)

Compensation grants

Other (G, F, J, C, D, …)2 (25.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GATX

GATX CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (8 total)

GATX
GATX CORP
Feb 23, 2026
Award(A)
2026 NQ Stock Option (Right to Buy)
Direct
7.1K shares-
GATX
GATX CORP
Feb 20, 2026
Sale(S)
Direct
874 shares at avg. $198.61$174K
GATX
GATX CORP
Feb 20, 2026
Exercise(M)
Direct
2K shares at avg. $77.07$154K
GATX
GATX CORP
Feb 20, 2026
Sale(S)
Direct
1.1K shares at avg. $198.04$223K
GATX
GATX CORP
Feb 18, 2026
Award(A)
Direct
2.8K shares-
GATX
GATX CORP
Feb 18, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $192.82$238K
GATX
GATX CORP
Jan 30, 2025
Award(A)
2025 NQ Stock Option (Right to Buy)
Direct
6.2K shares-
GATX
GATX CORP
Jan 28, 2025
Tax Payment(F)
Direct
258 shares at avg. $165.15$43K

		Type	Shares	Price		Ownership
Feb 23, 2026	GATX GATX CORP	Award(A) 2026 NQ Stock Option (Right to Buy)	7,100	-	-	Direct
Feb 20, 2026	GATX GATX CORP	Sale(S)	874	$198.61	$173,585	Direct
Feb 20, 2026	GATX GATX CORP	Exercise(M)	2,000	$77.07	$154,140	Direct
Feb 20, 2026	GATX GATX CORP	Sale(S)	1,126	$198.04	$222,999	Direct
Feb 18, 2026	GATX GATX CORP	Award(A)	2,790	-	$0	Direct
Feb 18, 2026	GATX GATX CORP	Tax Payment(F)	1,236	$192.82	$238,332	Direct
Jan 30, 2025	GATX GATX CORP	Award(A) 2025 NQ Stock Option (Right to Buy)	6,200	-	-	Direct
Jan 28, 2025	GATX GATX CORP	Tax Payment(F)	258	$165.15	$42,609	Direct

1-8 of 8 transactions

About Glassberg Brian L

Glassberg Brian L (SEC CIK 0001956917) files insider reports with the SEC as EVP, General Counsel & Secy. of GATX CORP (GATX).

Signal8 holds 7 ownership filings by Glassberg Brian L (5 Form 4, 2 Form 5), filed between Jan 29, 2025 and Feb 25, 2026. Those filings report 8 transactions, from Jan 28, 2025 to Feb 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Glassberg Brian L's filings is in CHICAGO, IL.

Recent filings by Glassberg Brian L

Feb 23, 2026: Grant or award of GATX derivative securities (Form 4, code A).
Feb 20, 2026: Open-market sale of GATX shares (Form 4, code S).
Feb 20, 2026: Option exercise of GATX shares (Form 4, code M).
Feb 20, 2026: Open-market sale of GATX shares (Form 4, code S).
Feb 18, 2026: Grant or award of GATX shares (Form 4, code A).

Other insiders filing for GATX CORP (GATX)

Phillips Geoffrey, Sr. VP, Operations
Doygun Eren, SVP Chief Plan. & Invest. Off.
Sbragia John, SVP, Engineering and Quality
Hillesland Kevin, SVP, Structured Finance
Ellman Thomas A., EVP & CFO
WETHERBEE ROBERT S, Director

How to read Form 4 transaction codes