X0202 SCHEDULE 13G/A 0001140361-25-041135 0001279891 XXXXXXXX LIVE 1 Ordinary Shares, par value $0.0001 per share 09/30/2026 0002070900 Quantumsphere Acquisition Corporation G7387B106 1185 Avenue of the Americas Suite 349 New York NY 10036 Rule 13d-1(b) Wolverine Asset Management, LLC IL 0.00 335957.00 0.00 335957.00 335957.00 N 2.95 IA Wolverine Holdings, LLC DE 0.00 335957.00 0.00 335957.00 335957.00 N 2.95 HC Christopher L. Gust IL 0.00 335957.00 0.00 335957.00 335957.00 N 2.95 HC IN Robert R. Bellick IL 0.00 335957.00 0.00 335957.00 335957.00 N 2.95 HC IN Quantumsphere Acquisition Corporation 1185 Avenue of the Americas, Suite 349, New York, NY 10036 Wolverine Asset Management, LLC Wolverine Holdings, LLC Christopher L. Gust Robert R. Bellick c/o Wolverine Asset Management, LLC 175 West Jackson Boulevard, Suite 340 Chicago, IL 60604 Wolverine Asset Management, LLC - Illinois Wolverine Holdings, LLC - Delaware Christopher L. Gust - U.S. Citizen Robert R. Bellick - U.S. Citizen N IA HC Wolverine Asset Management, LLC ("WAM") is an investment adviser and has voting and dispositive power over 335,957 of the Issuer's Ordinary Shares. The sole member and manager of WAM is Wolverine Holdings, LLC ("Wolverine Holdings"). Robert R. Bellick and Christopher L. Gust, may be deemed to control Wolverine Holdings in their roles as Managers of Wolverine Holdings. Each of Wolverine Holdings, Mr. Bellick, and Mr. Gust have voting and dispositive power over 335,957 of the Issuer's Ordinary Shares. WAM may be deemed the beneficial owner of 2.95% of the Issuer's outstanding Ordinary Shares and each of Wolverine Holdings, Mr. Bellick, and Mr. Gust may be deemed the beneficial owner of 2.95% of the Issuer's outstanding Ordinary Shares. Percentage calculated by dividing the number of shares deemed beneficially owned by each reporting person by 11,406,650 (the number of Ordinary Shares outstanding as of August 14, 2026 according to the Issuer's Form 10-Q filed August 14, 2026). 0 WAM has shared power to vote or direct the vote of 335,957 of the Issuer's Ordinary Shares, and each of Wolverine Holdings, Mr. Bellick, and Mr. Gust has shared power to vote or direct the vote of 335,957 of the Issuer's Ordinary Shares, in each case as set forth in Item 4(a) above. 0 WAM has shared power to dispose or direct the disposition of 335,957 of the Issuer's Ordinary Shares, and each of Wolverine Holdings, Mr. Bellick, and Mr. Gust has shared power to dispose or direct the disposition of 335,957 of the Issuer's Ordinary Shares, in each case as set forth in Item 4(a) above. 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. Wolverine Asset Management, LLC /s/ Kenneth L. Nadel 10/05/2026 Wolverine Holdings, LLC /s/ Christopher L. Gust 10/05/2026 Christopher L. Gust /s/ Christopher L. Gust 10/05/2026 Robert R. Bellick /s/ Robert R. Bellick 10/05/2026