X0202 SCHEDULE 13G/A 0001385702-26-000002 0001385702 XXXXXXXX LIVE 1 Common Stock, $0.001 par value per share 07/31/2026 0000891532 PERMA FIX ENVIRONMENTAL SERVICES INC 714157203 8302 DUNWOODY PLACE SUITE 250 ATLANTA GA 30350 Rule 13d-1(c) MAK Capital Fund LP a D0 0.00 1161372.00 0.00 1161372.00 1161372.00 5.5 PN The calculation is based upon 1,161,372 shares of Common Stock beneficially owned as of 08/06/2026 and a total of 21,203,552 shares of Common Stock, $0.001 par value per share, outstanding as of May 28, 2026, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on June 12, 2026. MAK CAPITAL ONE LLC a DE 0.00 1161372.00 0.00 1161372.00 1161372.00 5.5 IA The calculation is based upon 1,161,372 shares of Common Stock beneficially owned as of 08/06/2026 and a total of 21,203,552 shares of Common Stock, $0.001 par value per share, outstanding as of May 28, 2026, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on June 12, 2026. Kaufman Michael A a X1 0.00 1161372.00 0.00 1161372.00 1161372.00 5.5 IN The calculation is based upon 1,161,372 shares of Common Stock beneficially owned as of 08/06/2026 and a total of 21,203,552 shares of Common Stock, $0.001 par value per share, outstanding as of May 28, 2026, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on June 12, 2026. PERMA FIX ENVIRONMENTAL SERVICES INC 8302 DUNWOODY PLACE, SUITE 250, ATLANTA, GEORGIA, 30350 This Schedule 13G is being filed by: i. MAK Capital Fund LP ("MAK Fund") ii. MAK Capital One L.L.C. ("MAK Capital"); and iii. Michael A. Kaufman ("Mr. Kaufman," and collectively with MAK Fund and MAK Capital, the "Reporting Persons") The principal business address of (i) MAK Fund is c/o Wakefield Quin, Victoria Place, 31 Victoria Street, Bermuda; and (ii) MAK Capital and Mr. Kaufman is 590 Madison Avenue, 31st Floor, New York, NY 10022. MAK Capital Fund LP is a Bermuda limited partnership. MAK Capital One L.L.C. is a Delaware limited liability company. Mr. Kaufman is a United States citizen. Y 1,161,372 5.5% The calculation is based upon 1,161,372 shares of Common Stock beneficially owned as of 08/06/2026 and a total of 21,203,552 shares of Common Stock, $0.001 par value per share, outstanding as of May 28, 2026, as reported by the Issuer in its Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on June 12, 2026. 0 1,161,372 0 1,161,372 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. MAK Capital Fund LP /s/ Michael A. Kaufman 08/07/2026 MAK CAPITAL ONE LLC /s/ Michael A. Kaufman 08/07/2026 Kaufman Michael A /s/ Michael A. Kaufman 08/07/2026