Ainscow Robert plan to sell securities of ASP Isotopes Inc. under Form 144

Ainscow Robert filed Form 144 to notify SEC of plan to sell 8438 units of ASP Isotopes Inc. securities around 2026-06-08, with aggregate market value of $58,137.82. The total outstanding units is 125903447.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 04/16/2026, sold 22500 units for $117112.50;