IsoEnergy Ltd. SEC filings ISOU
IsoEnergy Ltd. has 73 filings in SEC EDGAR's recent list, going back to Apr 23, 2025. Its latest annual report, Form 40-F, was filed on Feb 27, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 5, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Mar 3, 2026 | — |
| 4/A | Ownership document | Feb 27, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 11, 2026 |
| 3 | Initial insider ownership | Feb 25, 2026 | Feb 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 25, 2025 | — |
Showing 8 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Miscellaneous Metal Ores (SIC 1090)
- Listed as
- ISOU (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Ontario, Canada
- Headquarters
- Toronto
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1997377
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.