Company facts
- Headquarters
- Luxembourg
- Most recent report
- 6-K, filed Nov 6, 2026
- Incorporated
- N/A
- Filings on record
- 772 filings
- On EDGAR
- CIK 1190723
- Fiscal year ends
- N/A
- Filer status
- Large accelerated filer
Financials 8 of 619
- 6-K Report a foreign issuer made public elsewhere Nov 6, 2026
- 6-K Report a foreign issuer made public elsewhere Nov 6, 2026
- 6-K Report a foreign issuer made public elsewhere Nov 5, 2026
- 6-K Report a foreign issuer made public elsewhere Aug 11, 2026
- 6-K Report a foreign issuer made public elsewhere Aug 7, 2026
- 6-K Report a foreign issuer made public elsewhere Aug 7, 2026
- 6-K Report a foreign issuer made public elsewhere Aug 7, 2026
- 6-K Report a foreign issuer made public elsewhere May 13, 2026
Prospectuses and Registrations 2
Ownership 8 of 41
- SCHEDULE 13D/A Large holder reported an active stake, amended Feb 10, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Dec 17, 2025
- SCHEDULE 13D/A Large holder reported an active stake, amended Sep 19, 2025
- SCHEDULE 13D/A Large holder reported an active stake, amended Jul 8, 2025
- SCHEDULE 13D/A Large holder reported an active stake, amended Feb 25, 2025
- SC 13D/A Large holder reported an active stake, amended Dec 9, 2024
- SC 13D/A Large holder reported an active stake, amended Jul 30, 2024
- SC 13D/A Large holder reported an active stake, amended Jun 4, 2024
Other 8 of 110
- SD Conflict minerals disclosure May 22, 2026
- IRANNOTICE Notice of Iran-related activity Mar 31, 2026
- SD Conflict minerals disclosure Apr 30, 2025
- IRANNOTICE Notice of Iran-related activity Apr 1, 2025
- SD Conflict minerals disclosure May 28, 2024
- IRANNOTICE Notice of Iran-related activity Mar 28, 2024
- SD Conflict minerals disclosure May 24, 2023
- IRANNOTICE Notice of Iran-related activity Mar 31, 2023
Everything here comes from Tenaris SA's own filings on SEC EDGAR. The filing list is rechecked every hour.