Insider Transaction Report for Robert Ainscow

Robert Ainscow, COO of ASP Isotopes Inc., reported a sale of 25,000 shares of Common Stock on March 6, 2026, pursuant to a Rule 10b5-1 trading plan. The sale was executed at a weighted average price of $4.511 per share, with individual transactions ranging from $4.42 to $4.58. Following this transaction, Mr. Ainscow directly owns 1,512,817 shares of Common Stock. The filing was made on April 13, 2026.