Transalta Corp SEC filings TSLTF
Transalta Corp has 1,000 filings in SEC EDGAR's recent list, going back to Dec 3, 2004. 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 3, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 40-F | Annual report (Canadian issuer) | Feb 27, 2026 | Dec 31, 2025 |
| 40-F | Annual report (Canadian issuer) | Feb 20, 2025 | Dec 31, 2024 |
| 40-F | Annual report (Canadian issuer) | Feb 23, 2024 | Dec 31, 2023 |
| 40-F | Annual report (Canadian issuer) | Feb 23, 2023 | Dec 31, 2022 |
| 40-F | Annual report (Canadian issuer) | Feb 24, 2022 | Dec 31, 2021 |
| 40-F | Annual report (Canadian issuer) | Mar 3, 2021 | Dec 31, 2020 |
| 40-F | Annual report (Canadian issuer) | Mar 4, 2020 | Dec 31, 2019 |
| 40-F | Annual report (Canadian issuer) | Feb 27, 2019 | Dec 31, 2018 |
| 40-F | Annual report (Canadian issuer) | Mar 2, 2018 | Dec 31, 2017 |
| 40-F | Annual report (Canadian issuer) | Mar 3, 2017 | Dec 31, 2016 |
| 40-F | Annual report (Canadian issuer) | Feb 18, 2016 | Dec 31, 2015 |
| 40-F | Annual report (Canadian issuer) | Feb 19, 2015 | Dec 31, 2014 |
| 40-F | Annual report (Canadian issuer) | Feb 20, 2014 | Dec 31, 2013 |
| 40-F | Annual report (Canadian issuer) | Feb 27, 2013 | Dec 31, 2012 |
| 40-F/A | Amended annual report (Canadian issuer) | Oct 30, 2012 | Dec 30, 2011 |
| 40-F/A | Amended annual report (Canadian issuer) | Sep 24, 2012 | Dec 31, 2011 |
| 40-F | Annual report (Canadian issuer) | Mar 2, 2012 | Dec 31, 2011 |
| 40-F/A | Amended annual report (Canadian issuer) | Aug 25, 2011 | Dec 31, 2010 |
| 40-F | Annual report (Canadian issuer) | Feb 24, 2011 | Dec 31, 2010 |
| 40-F | Annual report (Canadian issuer) | Feb 24, 2010 | Dec 31, 2009 |
| 40-F/A | Amended annual report (Canadian issuer) | Sep 16, 2009 | Dec 31, 2008 |
| 40-F | Annual report (Canadian issuer) | Mar 16, 2009 | Dec 31, 2008 |
| 40-F | Annual report (Canadian issuer) | Mar 17, 2008 | Dec 31, 2007 |
| 40-F | Annual report (Canadian issuer) | Mar 16, 2007 | Dec 31, 2006 |
| 40-F | Annual report (Canadian issuer) | Mar 24, 2006 | Dec 31, 2005 |
| 40-F/A | Amended annual report (Canadian issuer) | Oct 26, 2005 | Oct 21, 2005 |
| 40-F | Annual report (Canadian issuer) | Apr 1, 2005 | Dec 31, 2004 |
Showing 27 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
- Electric Services (SIC 4911)
- Listed as
- TAC (NYSE), TACPF (OTC), TRNTF (OTC), TSLTF (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Calgary, Alberta, Canada
- SEC CIK
- 1144800
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.