0001213900-26-048567.txt : 20260428 0001213900-26-048567.hdr.sgml : 20260428 20260428162035 ACCESSION NUMBER: 0001213900-26-048567 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260121 FILED AS OF DATE: 20260428 DATE AS OF CHANGE: 20260428 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hunter Ralph L. JR CENTRAL INDEX KEY: 0002088585 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-56406 FILM NUMBER: 26908165 MAIL ADDRESS: STREET 1: ASP ISOTOPES INC. STREET 2: 601 PENNSYLVANIA AVE NW STH BLDG STE 900 CITY: WASHINGTON STATE: DC ZIP: 20004 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Deep Isolation Nuclear, Inc. CENTRAL INDEX KEY: 0001918080 STANDARD INDUSTRIAL CLASSIFICATION: REFUSE SYSTEMS [4953] ORGANIZATION NAME: 01 Energy & Transportation EIN: 874225965 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2001 ADDISON STREET STREET 2: SUITE 300 CITY: BERKELEY STATE: CA ZIP: 94704 BUSINESS PHONE: 561 464 2841 MAIL ADDRESS: STREET 1: 1761 GEORGE WASHINGTON WAY STREET 2: #362 CITY: RICHLAND STATE: WA ZIP: 99354 FORMER COMPANY: FORMER CONFORMED NAME: Aspen-1 Acquisition Inc. DATE OF NAME CHANGE: 20220317 4 1 ownership.xml X0609 4 2026-01-21 0 0001918080 Deep Isolation Nuclear, Inc. NONE 0002088585 Hunter Ralph L. JR false C/O DEEP ISOLATION NUCLEAR, INC. 2001 ADDISON STREET, SUITE 300 BERKELEY CA 94704 1 0 0 0 0 Common Stock 2026-01-21 4 A 0 43333 0 A 43333 D Represents the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs shall fully vest in 1 year and are subject to a deferral based on the earliest to occur of a change of control, a separation of service as a director, and death. /s/ Ralph L. Hunter JR. 2026-04-28