NXT Energy Solutions Inc. SEC filings NSFDF
NXT Energy Solutions Inc. has 618 filings in SEC EDGAR's recent list, going back to Apr 14, 1998. Its latest annual report, Form 20-F, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on May 15, 2006, covering the quarter ended Mar 31, 2006. The most recent current report (Form 6-K) was filed on Oct 14, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 26, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 27, 2025 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 11, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 14, 2017 | — |
| SC 13D | Ownership over 5% (active) | Oct 15, 2015 | — |
| SC 13D | Ownership over 5% (active) | Sep 30, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 4, 2011 | — |
| SC 13D | Ownership over 5% (active) | Feb 28, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Jan 19, 2011 | — |
| SC 13G | Ownership over 5% (passive) | Jan 27, 2010 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 11, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Apr 7, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Jan 22, 2009 | — |
| SC 13G | Ownership over 5% (passive) | Jan 15, 2008 | — |
| SC 13G | Ownership over 5% (passive) | Jan 17, 2007 | — |
| SC 13G | Ownership over 5% (passive) | Nov 10, 2005 | — |
| 4 | Insider transaction | May 19, 2005 | May 19, 2005 |
| 4 | Insider transaction | Apr 12, 2005 | Aug 19, 2004 |
| 4/A | Primary document | Mar 22, 2005 | Feb 15, 2005 |
| 4 | Insider transaction | Feb 24, 2005 | Dec 23, 2004 |
| 3 | Initial insider ownership | Feb 15, 2005 | Dec 22, 2004 |
| 3 | Initial insider ownership | Feb 3, 2005 | Dec 8, 2004 |
| 4 | Insider transaction | Jan 7, 2005 | Jan 4, 2005 |
| 4 | Insider transaction | Jan 5, 2005 | Dec 29, 2004 |
| 3 | Initial insider ownership | Jul 12, 2004 | Feb 12, 2004 |
| 5 | Annual insider ownership | Feb 17, 2004 | Dec 31, 2003 |
| 5 | Annual insider ownership | Feb 17, 2004 | Dec 31, 2003 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 17, 2004 | — |
| 4 | Insider transaction | Dec 2, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Nov 17, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Nov 14, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Nov 14, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Nov 14, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Nov 14, 2003 | Sep 8, 2003 |
| 4 | Insider transaction | Apr 25, 2003 | Apr 24, 2003 |
| 4 | Insider transaction | Apr 16, 2003 | Mar 27, 2003 |
| 4/A | Form 4 amendment | Apr 8, 2003 | Mar 8, 2002 |
| 4 | Insider transaction | Apr 8, 2003 | Mar 27, 2003 |
| 5 | Annual insider ownership | Apr 8, 2003 | Dec 31, 2002 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 14, 2003 | — |
| 4 | Insider transaction | Jan 14, 2003 | Jan 13, 2003 |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 31, 2002 | — |
| 4 | Insider transaction | Oct 2, 2002 | Sep 20, 2002 |
| 3 | Initial insider ownership | Sep 5, 2002 | May 1, 2002 |
| 4 | Insider transaction | Aug 29, 2002 | Aug 13, 2002 |
| 4 | Insider transaction | Aug 16, 2002 | Aug 13, 2002 |
| 4 | Insider transaction | Aug 16, 2002 | Aug 13, 2002 |
| 3 | Initial insider ownership | Aug 9, 2002 | May 1, 2002 |
| 3 | Initial insider ownership | Jul 25, 2002 | May 1, 2002 |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2001 | — |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2001 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2001 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2000 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2000 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2000 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 1999 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 1999 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 1999 | — |
Showing 58 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
- Oil & Gas Field Exploration Services (SIC 1382)
- Listed as
- NSFDF (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- Alberta, Canada
- Headquarters
- Calgary, T3E 0B4, Alberta, Canada
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1009922
- Former names
- ENERGY EXPLORATION TECHNOLOGIES / (until Sep 22, 2008); PINNACLE OIL INTERNATIONAL INC (until May 15, 2000)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.