X0202 SCHEDULE 13D/A 0000929638-23-002318 0001590729 XXXXXXXX LIVE 4 Common Shares, $0.01 par value per share 04/16/2026 false 0000028823 253651202 DIEBOLD NIXDORF, Inc

350 ORCHARD AVE NE NORTH CANTON OH 44720

Janet Kastrud, CCO 617-939-0030 Millstreet Capital Management 545 Boylston St., 8th Floor Boston MA 02116 0001590729 Millstreet Capital Management LLC AF DE 0 4704438 0 4704438 4704438 N 13.38 IA 0001539642 Connolly Brian D AF X1 0 4704438 0 4704438 4704438 N 13.38 IN HC 0001876454 Kelleher Craig AF X1 0 4704438 0 4704438 4704438 N 13.38 IN HC Common Shares, $0.01 par value per share DIEBOLD NIXDORF, Inc 350 ORCHARD AVE NE NORTH CANTON OH 44720 This Amendment is being filed to amend Item 5 of the Schedule 13D. See Items 7-13 of the cover pages. See Items 7-13 of the cover pages. The Reporting Persons did not effect any transactions in the Company's Common Shares during the sixty day period prior to the filing of this Schedule 13D that have not been previously reported, other than the open market sales transactions described below: Date No. Shares Sold Price 04/08/2026 399,929 $82.4158 04/15/2026 51,472 $85.4314 04/16/2026 60,833 $84.7741 Millstreet Credit Fund LP, for which Millstreet serves as investment manager, has the right to receive and/or the power to direct the receipt of dividends from, or the proceeds from the sale of, more than five percent of the Common Shares outstanding. Not applicable. Millstreet Capital Management LLC /s/ Craig M. Kelleher 04/17/2026 Connolly Brian D /s/ Brian D. Connolly 04/17/2026 Kelleher Craig /s/ Craig M. Kelleher 04/17/2026