144 0001642715 XXXXXXXX LIVE 0001921865 ASP Isotopes, Inc. 001-41555 601 Pennsylvania Avenue NW, South Building, Suite 900 Washington DC 20004 2027562245 Todd Wider Director Common J.P. Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

75000 657750 91913109 09/12/2025 Nasdaq Common 11/15/2024 Compensation Issuer N 75000 11/15/2024 NA Y 09/12/2025 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Todd Wider