SCHEDULE 13G/A 0000902664-25-003450 0001843019 XXXXXXXX LIVE 1 Common Stock, par value $0.001 per share 09/30/2025 0001392972 PROS Holdings, Inc. 74346Y103 3200 KIRBY DR. SUITE 600 HOUSTON TX 77098 Rule 13d-1(c) EVR Research LP DE 0.00 2000000.00 0.00 2000000.00 2000000.00 N 4.1 IA PN EVR Master Fund, LP E9 0.00 2000000.00 0.00 2000000.00 2000000.00 N 4.1 PN PROS Holdings, Inc. 3200 Kirby Drive, Suite 600, Houston, TX 77098 This report on Schedule 13G is being filed by EVR Research LP, a Delaware limited partnership (the "Firm") and EVR Master Fund, LP, a Cayman Islands exempted limited partnership ("EVR Master"), with respect to the shares of common stock, par value $0.001 per share ("Common Stock") of PROS Holdings, Inc. (the "Company") directly held by EVR Master. The address for the Firm is: 411 Libbie Avenue, Suite 3, Richmond, VA 23226. The address for EVR Master is: 411 Libbie Avenue, Suite 3, Richmond, VA 23226. The Firm is a Delaware limited partnership. EVR Master is a Cayman Islands exempted limited partnership. Y The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 48,253,392 shares of Common Stock outstanding as of September 19, 2025, as reported in Exhibit 2.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on September 22, 2025. Benjamin Wolf Joffe is the managing member of the general partner of the Firm and exercises investment discretion with respect to the securities held by EVR Master. 4.1% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons 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 each of the Reporting Persons 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 each of the Reporting Persons 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 each of the Reporting Persons and is incorporated herein by reference. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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. EVR Research LP /s/ Derek J. Webb 11/14/2025 EVR Master Fund, LP /s/ Derek J. Webb 11/14/2025