ASP Isotopes Inc.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

On September 23, 2025, we issued 115,805 shares of common stock upon exercise of an existing warrant on a net-exercise basis. These shares were issued pursuant to the exemption from registration provided by Section 4(a)(2) and/or 3(a)(9) of the Securities Act of 1933, as amended. We did not receive any cash proceeds from this issuance.

On October 21, 2025, we closed on an acquisition of One 30 Seven Inc., a Canadian company engaged in the business of researching and developing decontamination solutions for nuclear waste, particularly radioactive waste from radioactive materials from nuclear power plants, radiopharmaceuticals, and military sources, in which we issued approximately 266,113 shares of our common stock valued at $10.7097 per share, which is the volume-weighted average price one share of the our common stock over the trailing 30-day period up to October 17, 2025. The issuance of the common stock to the seller was completed in reliance on the exemption from the registration requirements of the Securities Act provided by Section 4(a)(2) thereof as a transaction by an issuer not involving any public offering. We did not receive any cash proceeds from this issuance.