SEC Filing Summary

Donald George Ainscow, EVP, Gen Counsel, and Secretary of ASP Isotopes Inc., reported a sale of 23,678 shares of common stock on September 2, 2026. The shares were sold at a weighted average price of $3.89 per share, with a price range of $3.885 to $3.9202. This sale was executed automatically to cover mandatory tax withholding obligations and does not represent a discretionary trade. Following the transaction, Mr. Ainscow owns 776,322 shares of the company's common stock. The filing is Form 4, indicating a change in beneficial ownership.