Gatx Insider Ownership

Updated Oct 5, 2026

Across the past 12 months, open-market trades by GATX insiders were all sales, totaling $6.75 million (36.9K shares).

• GATX's open-market sales in the past 12 months came from 8 insiders; no insider bought.
• Thomas A. Ellman (EVP & CFO) sold the most GATX stock on the open market over the past 12 months, $3.28 million (18.2K shares), most recently on August 5, 2026.
• The newest open-market trade among GATX insiders came on September 11, 2026, when Geoffrey Phillips (Senior VP, Operations) made a sale of 2.5K shares for $443,992.
• In transactions other than open-market trades, GATX insiders received 9.39K shares in stock awards, acquired 37.23K shares through option exercises and conversions, gave up 3.67K shares to cover taxes or exercise prices and gave away 6.47K shares as gifts over the past 12 months.
• Per Business Quant data, GATX insiders hold 3.71Mn shares in total based on their latest Form 4 filings, or 10.38% of the 35.7Mn shares outstanding; that total is down 0.01% from 3.71Mn shares at the end of Q2 2026 and down 0.24% from 3.72Mn shares at the end of Q3 2025.
• By type of ownership, GATX insiders hold all of their 3.71Mn shares directly.
• Per Business Quant, 25 insiders of GATX hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• GATX's largest insider holders by reported holdings are State Farm Mutual Automobile Insurance Co (10% owner, 3.3Mn shares), David Sutherland (Director, 86.86K shares) and Robert C. Lyons (President and CEO, 50.58K shares).
• State Farm Mutual Automobile Insurance Co alone accounts for 88.98% of the shares held by GATX insiders.
• Over the trailing 12 months, 23 insiders reported transactions in GATX stock across 70 Form 4 filings.
• The insider data for GATX reflects Form 4 filings through September 11, 2026.