Tenaris SA SEC filings TNRSF
Tenaris SA has 770 filings in SEC EDGAR's recent list, going back to Sep 18, 2002. Its latest annual report, Form 20-F, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 5, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 22, 2026 | — |
| IRANNOTICE | Iran notice | Mar 31, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Apr 30, 2025 | — |
| IRANNOTICE | Iran notice | Apr 1, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2024 | — |
| IRANNOTICE | Iran notice | Mar 28, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 24, 2023 | — |
| IRANNOTICE | Filing | Mar 31, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 26, 2022 | — |
| IRANNOTICE | Filing | Mar 31, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 20, 2021 | — |
| IRANNOTICE | Filing | Mar 30, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| IRANNOTICE | Filing | Apr 30, 2020 | — |
| UPLOAD | Letter from the SEC | Oct 15, 2019 | — |
| CORRESP | Letter to the SEC | Oct 8, 2019 | — |
| UPLOAD | Letter from the SEC | Sep 26, 2019 | — |
| CORRESP | Letter to the SEC | Sep 10, 2019 | — |
| UPLOAD | Letter from the SEC | Aug 27, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2019 | — |
| IRANNOTICE | Filing | Apr 3, 2019 | — |
| UPLOAD | Letter from the SEC | Nov 21, 2018 | — |
| CORRESP | Letter to the SEC | Oct 10, 2018 | — |
| UPLOAD | Letter from the SEC | Sep 26, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2018 | — |
| IRANNOTICE | Filing | Apr 30, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 17, 2017 | — |
| IRANNOTICE | Iran notice | May 1, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| IRANNOTICE | Filing | May 2, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2015 | — |
| CORRESP | Letter to the SEC | Jun 5, 2015 | — |
| IRANNOTICE | Filing | Jun 1, 2015 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2015 | — |
| NT 20-F | Filing | May 1, 2015 | Dec 31, 2014 |
| UPLOAD | Letter from the SEC | Feb 19, 2015 | — |
| CORRESP | Letter to the SEC | Jan 30, 2015 | — |
| UPLOAD | Letter from the SEC | Jan 13, 2015 | — |
| CORRESP | Letter to the SEC | Dec 18, 2014 | — |
| UPLOAD | Letter from the SEC | Dec 2, 2014 | — |
| CORRESP | Letter to the SEC | Sep 15, 2014 | — |
| UPLOAD | Letter from the SEC | Aug 27, 2014 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2014 | — |
| IRANNOTICE | Iran notice | Apr 30, 2014 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2013 | — |
| CORRESP | Letter to the SEC | Sep 9, 2013 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2013 | — |
| IRANNOTICE | Filing | Apr 30, 2013 | — |
| EFFECT | Filing | Mar 13, 2013 | — |
| UPLOAD | Letter from the SEC | Aug 31, 2012 | — |
| CORRESP | Letter to the SEC | Aug 13, 2012 | — |
| UPLOAD | Letter from the SEC | Aug 1, 2012 | — |
| UPLOAD | Letter from the SEC | Apr 6, 2012 | — |
| CORRESP | Letter to the SEC | Mar 26, 2012 | — |
| CORRESP | Letter to the SEC | Mar 21, 2012 | — |
| UPLOAD | Letter from the SEC | Mar 6, 2012 | — |
| UPLOAD | Letter from the SEC | Oct 12, 2011 | — |
| CORRESP | Letter to the SEC | Sep 23, 2011 | — |
| UPLOAD | Letter from the SEC | Sep 9, 2011 | — |
| UPLOAD | Letter from the SEC | Nov 30, 2010 | — |
| CORRESP | Letter to the SEC | Nov 23, 2010 | — |
| UPLOAD | Letter from the SEC | Nov 8, 2010 | — |
| CORRESP | Letter to the SEC | Nov 1, 2010 | — |
| UPLOAD | Letter from the SEC | Oct 18, 2010 | — |
| CORRESP | Letter to the SEC | Oct 1, 2010 | — |
| UPLOAD | Letter from the SEC | Sep 7, 2010 | — |
| UPLOAD | Letter from the SEC | Oct 27, 2009 | — |
| CORRESP | Letter to the SEC | Oct 15, 2009 | — |
| UPLOAD | Letter from the SEC | Sep 28, 2009 | — |
| CORRESP | Letter to the SEC | Aug 19, 2009 | — |
| UPLOAD | Letter from the SEC | Jul 29, 2009 | — |
| EFFECT | Filing | Mar 12, 2008 | — |
| UPLOAD | Letter from the SEC | May 9, 2007 | — |
| CORRESP | Letter to the SEC | Apr 27, 2007 | — |
| CORRESP | Letter to the SEC | Apr 10, 2007 | — |
| UPLOAD | Letter from the SEC | Apr 9, 2007 | — |
| UPLOAD | Letter from the SEC | Apr 9, 2007 | — |
| CORRESP | Letter to the SEC | Feb 15, 2007 | — |
| CORRESP | Letter to the SEC | Feb 9, 2007 | — |
| CORRESP | Letter to the SEC | Nov 9, 2006 | — |
| UPLOAD | Letter from the SEC | Nov 8, 2006 | — |
| SC TO-T/A | Amendment no. 2 to schedule to | Sep 23, 2003 | — |
| 425 | Press release filed by tenaris s.a. | Sep 15, 2003 | — |
| SC TO-T/A | Amendment no. 1 to schedule to | Aug 11, 2003 | — |
| 425 | Press release | Aug 11, 2003 | — |
| SC TO-T | Schedule to | Jul 11, 2003 | — |
| NO ACT | Auto-generated paper document | May 27, 2003 | May 27, 2003 |
| 425 | Form 425 | Apr 1, 2003 | — |
| SC TO-T/A | Amendment #1 to schedule to-t: siderca/tenaris | Dec 16, 2002 | — |
| 425 | Press release | Dec 16, 2002 | — |
| 425 | Filing | Nov 22, 2002 | — |
| 425 | Press release | Nov 18, 2002 | — |
| 425 | Filed pursuant to rule 425 | Nov 12, 2002 | — |
| 425 | Filed pursuant to rule 425 | Nov 12, 2002 | — |
| 425 | Filed pursuant to rule 425 | Nov 12, 2002 | — |
| 425 | Filed pursuant to rule 425 | Nov 12, 2002 | — |
| SC TO-T | Third-party tender offer subject to rule 14d-1 | Nov 12, 2002 | — |
| 8-A12B/A | Tenaris s.a. form 8-a12b/a | Nov 8, 2002 | — |
| CERTNYS | Auto-generated paper document | Nov 5, 2002 | — |
| 8-A12B | Auto-generated paper document | Oct 29, 2002 | — |
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Company profile
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (SIC 3312)
- Listed as
- TS (NYSE), TNRSF (OTC)
- Headquarters
- Luxembourg, Luxembourg
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1190723
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All 13 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.