SEC Filing Form 4: Insider Transaction for ASP Isotopes Inc.

This SEC filing details a Form 4 submission for ASP Isotopes Inc., reporting a transaction by Donald George Ainscow, EVP, General Counsel, and Secretary. On May 28, 2026, Mr. Ainscow acquired 400,000 shares of Common Stock. This acquisition was part of a stock award that will vest in semi-annual installments over a four-year period, beginning on the grant date. The transaction code is "A," indicating an acquisition. Following this transaction, Mr. Ainscow holds 900,000 shares of Common Stock, with this specific award being directly owned. The filing was signed on June 3, 2026.