X0609 4 2026-04-17 false 0000040729 Ally Financial Inc. ALLY 0001738255 Timmerman Douglas R. false 500 WOODWARD AVENUE DETROIT MI 48226 false true false false President, DFS true Common Stock 2026-04-17 4 S false 39675.00 45.1714 D 477627.00 D The reported transactions were executed pursuant to a sales plan adopted on December 3, 2025 designed to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. The price reflected in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.61, inclusive. The reporting person undertakes to provide to Ally Financial Inc., any security holder of Ally Financial Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Joyce M. Daniels, attorney-in-fact for Mr. Timmerman 2026-04-20