SCHEDULE 13G/A 0001140361-25-018938 0001512805 XXXXXXXX LIVE 1 Class A ordinary shares, $0.0001 par value per share 09/30/2025 0002028707 INFLECTION POINT ACQUISITION CORP. IV G1169T104 1345 Avenue of the America Fl 47 New York NY 10105 Rule 13d-1(b) Westchester Capital Management, LLC b DE 52147 1213760 52147 1213760 1265907 N 4.98 IA * Based on 25,425,000 Shares outstanding as of September 15, 2025, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A on filed with the Securities and Exchange Commission on September 26, 2025. Virtus Investment Advisers, LLC DE 0 1213760 0 1213760 1213760 N 4.77 IA * Based on 25,425,000 Shares outstanding as of September 15, 2025, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A on filed with the Securities and Exchange Commission on September 26, 2025. The amounts reported on this page are also included in the amounts reported by Westchester Capital Management, LLC on this Schedule 13G. The Merger Fund MA 0 1173084 0 1173084 1173084 N 4.61 IV * Based on 25,425,000 Shares outstanding as of September 15, 2025, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A on filed with the Securities and Exchange Commission on September 26, 2025. The amounts reported on this page are also included in the amounts reported by Virtus Investment Advisers, LLC on this Schedule 13G. INFLECTION POINT ACQUISITION CORP. IV 1345 Avenue of the America, Fl 47, New York, New York, 10105 This statement is being filed jointly by the following (each, a "Reporting Person," and collectively, the "Reporting Persons"): Westchester Capital Management, LLC ("Westchester"), a Delaware limited liability company, Virtus Investment Advisers, LLC ("Virtus"), a Delaware limited liability company, and The Merger Fund ("MF"), a Massachusetts business trust. Virtus, a registered investment adviser, serves as the investment adviser to MF, The Merger Fund VL ("VL") and Virtus Westchester Credit Event Fund ("CEF"). Westchester, a registered investment adviser, serves as sub-advisor to each of MF, MF VL, CEF and JNL Multi-Manager Alternative Fund ("JARB", together with MF, MF VL and CEF, the "Funds"). The Funds directly hold Ordinary Shares of the Company for the benefit of the investors in those Funds. Mr. Roy Behren and Mr. Michael T. Shannon each serve as Co-Presidents of Westchester. Westchester Capital Management, LLC 100 Summit Lake Drive, Valhalla, NY 10595 Virtus Investment Advisers, LLC One Financial Plaza, Hartford, CT 06103 The Merger Fund 101 Munson Street, Greenfield, MA 01301-9683 Each of Westchester and Virtus are organized under the laws of the State of Delaware. MF is organized under the laws of the State of Massachusetts. N IA IV Westchester Capital Management, LLC: 1,265,907 Virtus Investment Advisers, LLC: 1,213,760 The Merger Fund: 1,173,084 Westchester Capital Management, LLC: 4.98% Virtus Investment Advisers, LLC: 4.77% The Merger Fund: 4.61% Westchester Capital Management, LLC: 52,147 Virtus Investment Advisers, LLC: 0 The Merger Fund: 0 Westchester Capital Management, LLC: 1,213,760 Virtus Investment Advisers, LLC: 1,213,760 The Merger Fund: 1,173,084 Westchester Capital Management, LLC: 52,147 Virtus Investment Advisers, LLC: 0 The Merger Fund: 0 Westchester Capital Management, LLC: 1,213,760 Virtus Investment Advisers, LLC: 1,213,760 The Merger Fund: 1,173,084 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 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. 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. Westchester Capital Management, LLC /s/ CaSaundra Wu 11/14/2025 Virtus Investment Advisers, LLC /s/ Chetram Persaud 11/14/2025 The Merger Fund /s/ Daphne Chisolm 11/14/2025