X0202 SCHEDULE 13G/A 0000919574-26-003196 0000919185 XXXXXXXX LIVE 1 Class A Ordinary Shares, par value $0.0001 per share 06/30/2026 0002032528 Roman DBDR Acquisition Corp. II G7633M104 9858 CLINT MOORE ROAD, SUITE 205 BOCA RATON FL 33496 Rule 13d-1(b) Highbridge Capital Management, LLC DE 2149900.00 0.00 2149900.00 0.00 2149900.00 N 9.3 IA OO Roman DBDR Acquisition Corp. II 3300 S. Dixie Highway, Suite 179, West Palm Beach, FL 33405 This statement is filed by Highbridge Capital Management, LLC ("Highbridge" or the "Reporting Person"), a Delaware limited liability company and the investment adviser to certain funds and accounts (the "Highbridge Funds"), with respect to the Class A Ordinary Shares, par value $0.0001 per share ("Class A Ordinary Shares") of Roman DBDR Acquisition Corp. II, a Cayman Islands exempted company (the "Issuer"), directly held by the Highbridge Funds; The filing of this statement should not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934, the beneficial owner of the securities reported herein. The address of the business office of the Reporting Person is 390 Madison Avenue, 28th Floor, New York, NY 10017. Highbridge is a Delaware limited liability company. N IA The information required by Item 4(a) is set forth in Row 9 of the cover page for the Reporting Person and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 23,000,000 Class A Ordinary Shares outstanding as of May 20, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026, filed with the Securities and Exchange Commission on May 20, 2026. 9.3% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for the Reporting Person and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for the Reporting Person and is incorporated herein by reference. Y N See Item 2(a). The Highbridge Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Class A Ordinary Shares reported herein. Highbridge Tactical Credit Master Fund, L.P., a Highbridge Fund, has the right to receive or the power to direct the receipt of dividends or the proceeds from the sale of more than 5% of the outstanding Class A Ordinary Shares. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Highbridge Capital Management, LLC /s/ Kirk Rule 08/14/2026