Schedule 13D ownership disclosure
Tenaris SA
Ordinary Shares, $1.00 par value per share · CUSIP: 88031M109
Event date: 2025-09-17
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN
Shares: 713,605,187.00 · Class: 68.5%
- SAN FAUSTIN S.A.Reported CIK 0001429586
Shares: 713,605,187.00 · Class: 68.5%
- TECHINT HOLDINGS S.A R.L.
Shares: 713,605,187.00 · Class: 68.5%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001213900-25-089522
- Form type
- SCHEDULE 13D/A
- Filer
- SAN FAUSTIN S.A.
- CIK
- CIK 1429586
- Filed
- Sep 19, 2025
- Reporting period
- Sep 17, 2025
- Description
- Schedule 13D beneficial ownership