๐Ÿ•ต๏ธ GATX Corp ($GATX)

SEC insider & ownership activity, last 12 months ยท CIK 40211 ยท every row links its SEC filing

Over the last 12 months insiders sold $5.2M with no open-market buying against it. Robert C. Lyons sold $2.1M (Sep). No red-flag 8-Ks in the window.

Aug 2025: net -$516K Sep 2025: net -$2.1M Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net -$295K Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 8 sellers, $5.2M (13 lots)

InsiderBuysBoughtSellsSoldLast
Robert C. Lyons0โ€“ 4$2.1MSep 3, 2025
Robert Zmudka0โ€“ 1$1.0MFeb 20, 2026
Jeffery Young0โ€“ 1$509KFeb 20, 2026
Brian Glassberg0โ€“ 2$397KFeb 20, 2026
Geoffrey D Phillips0โ€“ 1$354KAug 28, 2025
Kevin J Hillesland0โ€“ 1$336KJul 31, 2025
Jennifer Van Aken0โ€“ 2$295KDec 10, 2025
Anne L. Arvia0โ€“ 1$162KAug 22, 2025

5%+ holders

HolderStakeClassScheduleEvent
Blackrock, Inc. 11.5% 13GJul 18, 2025 filing โ†—
Earnest Partners LLC 7.3% 13GMay 15, 2026 filing โ†—
Vanguard Portfolio Management 5.7% 13GApr 29, 2026 filing โ†—
Vanguard Capital Management 5.2% 13GApr 29, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Jeffery Young$509KFeb 20, 2026 filing โ†—
Brian Glassberg$397KFeb 20, 2026 filing โ†—
Robert Zmudka$1.0MFeb 20, 2026 filing โ†—
Jennifer Van Aken$295KDec 10, 2025 filing โ†—
Robert Lyons$2.1MSep 3, 2025 filing โ†—
Geoffrey D Phillips$354KAug 28, 2025 filing โ†—
Anne L. Arvia$163KAug 22, 2025 filing โ†—
Kevin J Hillesland$336KJul 31, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Other events (8.01)Jun 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 30, 2026 filing โ†—
Material agreement (1.01)May 21, 2026 filing โ†—
New financial obligation (2.03)May 21, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 21, 2026 filing โ†—
Earnings (2.02)May 7, 2026 filing โ†—
Reg FD disclosure (7.01)May 7, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 7, 2026 filing โ†—
Officer/director changes (5.02)Apr 24, 2026 filing โ†—
Shareholder vote (5.07)Apr 24, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 24, 2026 filing โ†—
Material agreement (1.01)Mar 12, 2026 filing โ†—
New financial obligation (2.03)Mar 12, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 12, 2026 filing โ†—
Earnings (2.02)Feb 19, 2026 filing โ†—
Reg FD disclosure (7.01)Feb 19, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 19, 2026 filing โ†—
Acquisition or disposition (2.01)Jan 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 1, 2026 filing โ†—
Material agreement (1.01)Dec 31, 2025 filing โ†—
Acquisition or disposition (2.01)Dec 31, 2025 filing โ†—
New financial obligation (2.03)Dec 31, 2025 filing โ†—
Reg FD disclosure (7.01)Dec 31, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Dec 31, 2025 filing โ†—
Material agreement (1.01)Oct 22, 2025 filing โ†—
New financial obligation (2.03)Oct 22, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 22, 2025 filing โ†—
Earnings (2.02)Oct 21, 2025 filing โ†—
Reg FD disclosure (7.01)Oct 21, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 21, 2025 filing โ†—