The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Option exercise(M) | 1K | — | $0 |
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Sell(S) | 1K | $179.52 | $180K |
| Aug 26, 2026 | Doygun Eren | SVP Chief Plan. & Invest. Off. | Option exercise(M) | 1K | $77.07 | $77K |
| Aug 15, 2026 | Sbragia John | SVP, Engineering and Quality | Tax withholding(F) | 47 | $179.63 | $8K |
| Aug 15, 2026 | Hillesland Kevin | SVP, Structured Finance | Tax withholding(F) | 70 | $179.63 | $13K |
| Aug 15, 2026 | Phillips Geoffrey | Sr. VP, Operations | Tax withholding(F) | 70 | $179.63 | $13K |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Option exercise(M) | 2K | — | $0 |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Sell(S) | 2K | $180.40 | $343K |
| Aug 14, 2026 | Sbragia John | SVP, Engineering and Quality | Option exercise(M) | 2K | $77.07 | $146K |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Option exercise(M) | 18K | $77.07 | $1.4M |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell(S) | 9K | $179.62 | $1.7M |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell(S) | 9K | $180.56 | $1.6M |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Sell(S) | 107 | $181.20 | $19K |
| Aug 5, 2026 | Ellman Thomas A. | EVP & CFO | Option exercise(M) | 18K | — | $0 |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Option exercise(M) | 2K | $77.07 | $131K |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell(S) | 1K | $180.58 | $248K |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell(S) | 328 | $181.23 | $59K |
| Aug 3, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Option exercise(M) | 2K | — | $0 |
| Aug 3, 2026 | Stanley Adam L. | Director | Grant(A) | 28 | $177.91 | $5K |
| Aug 3, 2026 | Ream James B | Director | Grant(A) | 164 | $177.91 | $29K |
| Aug 3, 2026 | Aigotti Diane | Director | Grant(A) | 70 | $177.91 | $12K |
| Aug 3, 2026 | Yovovich Paul G | Director | Grant(A) | 130 | $177.91 | $23K |
| Aug 3, 2026 | Bausch Shelley J | Director | Grant(A) | 142 | $177.91 | $25K |
| Aug 3, 2026 | Holmes John McClain III | Director | Grant(A) | 142 | $177.91 | $25K |
| Aug 3, 2026 | Wetherbee Robert S | Director | Grant(A) | 130 | $177.91 | $23K |
| Aug 3, 2026 | Arvia Anne L | Director | Grant(A) | 118 | $177.91 | $21K |
| May 1, 2026 | Arvia Anne L | Director | Grant(A) | 124 | $194.92 | $24K |
| May 1, 2026 | Aigotti Diane | Director | Grant(A) | 71 | $194.92 | $14K |
| May 1, 2026 | Bausch Shelley J | Director | Grant(A) | 128 | $194.92 | $25K |
| May 1, 2026 | Yovovich Paul G | Director | Grant(A) | 136 | $194.92 | $27K |
| May 1, 2026 | Ream James B | Director | Grant(A) | 169 | $194.92 | $33K |
| May 1, 2026 | Holmes John McClain III | Director | Grant(A) | 129 | $194.92 | $25K |
| May 1, 2026 | Wetherbee Robert S | Director | Grant(A) | 115 | $194.92 | $22K |
| May 1, 2026 | Stanley Adam L. | Director | Grant(A) | 30 | $194.92 | $6K |
| Apr 24, 2026 | Arvia Anne L | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Bausch Shelley J | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Aigotti Diane | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Ream James B | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Holmes John McClain III | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Wetherbee Robert S | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Stanley Adam L. | Director | Grant(A) | 731 | — | $0 |
| Apr 24, 2026 | Yovovich Paul G | Director | Grant(A) | 731 | — | $0 |
| Feb 23, 2026 | Lyons Robert C | President and CEO, Director | Grant(A) | 48K | — | $0 |
| Feb 23, 2026 | Ellman Thomas A. | EVP & CFO | Grant(A) | 14K | — | $0 |
| Feb 23, 2026 | Titterton Paul F | EVP & Pres. Rail NA | Grant(A) | 13K | — | $0 |
| Feb 23, 2026 | Adedoyin Niyi | SVP & CIO | Grant(A) | 3K | — | $0 |
| Feb 23, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Grant(A) | 2K | — | $0 |
| Feb 23, 2026 | Zmudka Robert | Sr. VP & Chief Comm. Off. | Grant(A) | 5K | — | $0 |
| Feb 23, 2026 | McManus Jennifer | Sr. VP & Controller | Grant(A) | 3K | — | $0 |
| Feb 23, 2026 | LaHurd Christopher | SVP, International | Grant(A) | 2K | — | $0 |
| Feb 23, 2026 | Van Aken Jennifer | Sr VP Treasurer & CRO | Grant(A) | 2K | — | $0 |
| Feb 23, 2026 | Nero Kimberley | EVP & Chief HR Officer | Grant(A) | 5K | — | $0 |
| Feb 23, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Grant(A) | 7K | — | $0 |
| Feb 23, 2026 | Phillips Geoffrey | Sr. VP, Operations | Grant(A) | 2K | — | $0 |
| Feb 23, 2026 | Hillesland Kevin | SVP, Structured Finance | Grant(A) | 2K | — | $0 |
| Feb 23, 2026 | Sbragia John | SVP, Engineering and Quality | Grant(A) | 2K | — | $0 |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Sell(S) | 3K | $196.29 | $509K |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 1K | $113.28 | $136K |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 900 | $126.47 | $114K |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 833 | $166.19 | $138K |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 900 | — | $0 |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 1K | — | $0 |
| Feb 20, 2026 | Young Jeffery R. | SVP, Chief Tax Officer | Option exercise(M) | 833 | — | $0 |
| Feb 20, 2026 | Zmudka Robert | Sr. VP & Chief Comm. Off. | Option exercise(M) | 5K | $103.15 | $536K |
| Feb 20, 2026 | Zmudka Robert | Sr. VP & Chief Comm. Off. | Sell(S) | 5K | $192.61 | $1.0M |
| Feb 20, 2026 | Zmudka Robert | Sr. VP & Chief Comm. Off. | Option exercise(M) | 5K | — | $0 |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Sell(S) | 1K | $198.04 | $223K |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Option exercise(M) | 2K | $77.07 | $154K |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Sell(S) | 874 | $198.61 | $174K |
| Feb 20, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Option exercise(M) | 2K | — | $0 |
| Feb 18, 2026 | Nero Kimberley | EVP & Chief HR Officer | Grant(A) | 3K | — | $0 |
| Feb 18, 2026 | Nero Kimberley | EVP & Chief HR Officer | Tax withholding(F) | 1K | $192.83 | $249K |
| Feb 18, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Tax withholding(F) | 1K | $192.83 | $238K |
| Feb 18, 2026 | Glassberg Brian L | EVP, General Counsel & Secy. | Grant(A) | 3K | — | $0 |
| Feb 2, 2026 | Yovovich Paul G | Director | Grant(A) | 125 | $180.67 | $23K |
| Feb 2, 2026 | Ream James B | Director | Grant(A) | 155 | $180.67 | $28K |
| Feb 2, 2026 | Aigotti Diane | Director | Grant(A) | 68 | $180.67 | $12K |
| Feb 2, 2026 | Arvia Anne L | Director | Grant(A) | 114 | $180.67 | $21K |
| Feb 2, 2026 | Holmes John McClain III | Director | Grant(A) | 136 | $180.67 | $25K |
| Feb 2, 2026 | Bausch Shelley J | Director | Grant(A) | 136 | $180.67 | $25K |
| Feb 2, 2026 | Stanley Adam L. | Director | Grant(A) | 27 | $180.67 | $5K |
| Jan 26, 2026 | LaHurd Christopher | SVP, International | Tax withholding(F) | 142 | $184.66 | $26K |
| Jan 26, 2026 | Phillips Geoffrey | Sr. VP, Operations | Tax withholding(F) | 287 | $184.66 | $53K |
| Jan 26, 2026 | Hillesland Kevin | SVP, Structured Finance | Tax withholding(F) | 414 | $184.66 | $76K |
| Jan 26, 2026 | Sbragia John | SVP, Engineering and Quality | Tax withholding(F) | 186 | $184.66 | $34K |
| Dec 10, 2025 | Van Aken Jennifer | Sr VP Treasurer & CRO | Option exercise(M) | 2K | $71.53 | $129K |
| Dec 10, 2025 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell(S) | 2K | $164.05 | $262K |
| Dec 10, 2025 | Van Aken Jennifer | Sr VP Treasurer & CRO | Sell(S) | 200 | $164.93 | $33K |
| Dec 10, 2025 | Van Aken Jennifer | Sr VP Treasurer & CRO | Option exercise(M) | 2K | — | $0 |
| Nov 3, 2025 | Yovovich Paul G | Director | Grant(A) | 121 | $157.52 | $19K |
| Nov 3, 2025 | Ream James B | Director | Grant(A) | 150 | $157.52 | $24K |
| Nov 3, 2025 | Aigotti Diane | Director | Grant(A) | 66 | $157.52 | $10K |
| Nov 3, 2025 | Arvia Anne L | Director | Grant(A) | 111 | $157.52 | $17K |
| Nov 3, 2025 | Holmes John McClain III | Director | Grant(A) | 154 | $157.52 | $24K |
| Nov 3, 2025 | Bausch Shelley J | Director | Grant(A) | 153 | $157.52 | $24K |
| Nov 3, 2025 | Stanley Adam L. | Director | Grant(A) | 26 | $157.52 | $4K |
| Sep 3, 2025 | Lyons Robert C | President and CEO, Director | Sell(S) | 100 | $167.76 | $17K |
| Sep 3, 2025 | Lyons Robert C | President and CEO, Director | Sell(S) | 3K | $167.24 | $491K |
| Sep 3, 2025 | Lyons Robert C | President and CEO, Director | Sell(S) | 10K | $166.04 | $1.6M |
| Sep 3, 2025 | Lyons Robert C | President and CEO, Director | Sell(S) | 43 | $166.20 | $7K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for GATX