Insider Transaction Report for Octavio Marquez

This filing details two non-derivative transactions by Octavio Marquez, President and CEO of DIEBOLD NIXDORF, Inc. On May 26, 2026, Marquez acquired 629 shares of Common Stock at a price of $79.3741 per share, increasing his post-transaction holdings to 216,886 shares. The following day, May 27, 2026, he acquired an additional 621 shares of Common Stock at $79.5612 per share, bringing his total holdings to 217,507 shares. These figures include Restricted Stock Units as indicated by footnote F1. The transactions were reported on Form 4, with the signature dated May 27, 2026.