Schedule 13G ownership disclosure

Aspen-1 Acquisition Inc.

Common Stock, par value $0.0001 per share · CUSIP: 000000000

Event date: 2025-09-30

Filing-level shares
2,275,000.00
Percent of class
3.96%
  • Mark N. Tompkins

    Shares: 2,275,000.00 · Class: 3.96%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001213900-25-110772
Form type
SCHEDULE 13G/A
Filer
Deep Isolation Nuclear, Inc.
CIK
CIK 1918080
Filed
Nov 14, 2025
Reporting period
Sep 30, 2025
Description
Schedule 13G beneficial ownership

Explore SEC Filings Hub