ASP Isotopes Inc. Form 8-K Filing

On July 15, 2026, ASP Isotopes Inc. (the “Company”) and its subsidiary, Quantum Leap Energy LLC (“QLE”), entered into private exchange agreements with holders of QLE’s 8.0% Convertible Promissory Notes due November 19, 2030. Approximately $109.2 million in aggregate principal amount of these notes, including accrued interest, were exchanged for 23,160,682 newly issued shares of the Company’s common stock. The transactions are expected to close on July 16, 2026, with approximately $110.7 million in notes remaining outstanding. These exchanges were conducted under an exemption from registration, specifically Section 4(a)(2) of the Securities Act or Rule 506 of Regulation D. The company also issued a press release on July 15, 2026, announcing these exchange transactions. This filing incorporates by reference information regarding the exchange agreements and the press release.