X0202 SCHEDULE 13G/A 0001140361-25-018940 0001512805 XXXXXXXX LIVE 1 Class A ordinary shares, $0.0001 par value per share 03/31/2026 0002029976 K&F Growth Acquisition Corp. II G52258111 1219 Morningside Drive Suite 110 Manhattan Beach CA 90266 Rule 13d-1(b) Westchester Capital Management, LLC b DE 57314 1418954 57314 1418954 1476268 4.98 IA * Based on 29,672,727 Shares outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 27, 2026. Virtus Investment Advisers, LLC DE 0 1418954 0 1418954 1418954 4.78 IA * Based on 29,672,727 Shares outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 27, 2026. 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 1401860 0 1401860 1401860 4.72 IV * Based on 29,672,727 Shares outstanding as of March 27, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 27, 2026. The amounts reported on this page are also included in the amounts reported by Virtus Investment Advisers, LLC on this Schedule 13G. K&F Growth Acquisition Corp. II 1219 Morningside Drive, Suite 110, Manhattan Beach, CA 90266 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 ("MF VL"), Virtus Westchester Event-Driven Fund ("EDF") and Virtus Westchester Credit Event Fund ("CEF"). Westchester, a registered investment adviser, serves as sub-advisor to each of MF, MF VL, EDF, CEF, JNL Multi-Manager Alternative Fund ("JARB"), JNL/Westchester Capital Event Driven Fund ("JNL") and Principal Funds, Inc. - Global Multi-Strategy Fund ("PRIN", together with MF, MF VL, EDF, CEF, JARB and JNL, 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 IV IA Westchester Capital Management, LLC: 1,476,268 Virtus Investment Advisers, LLC: 1,418,954 The Merger Fund: 1,401,860 Westchester Capital Management, LLC: 4.98% Virtus Investment Advisers, LLC: 4.78% The Merger Fund: 4.72% Westchester Capital Management, LLC: 57,314 Virtus Investment Advisers, LLC: 0 The Merger Fund: 0 Westchester Capital Management, LLC: 1,418,954 Virtus Investment Advisers, LLC: 1,418,954 The Merger Fund: 1,401,860 Westchester Capital Management, LLC: 57,314 Virtus Investment Advisers, LLC: 0 The Merger Fund: 0 Westchester Capital Management, LLC: 1,418,954 Virtus Investment Advisers, LLC: 1,418,954 The Merger Fund: 1,401,860 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. Westchester Capital Management, LLC /s/ CaSaundra Wu 05/15/2026 Virtus Investment Advisers, LLC /s/ Chetram Persaud 05/14/2026 The Merger Fund /s/ Daphne Chisolm 05/15/2026