SAN FAUSTIN S.A. - 06 Feb 2026 SCHEDULE 13D/A Report for TENARIS S.A. Ordinary Shares, $1.00 par value per share (TS)

Filing Manager
SAN FAUSTIN S.A.
Reporting Manager
SAN FAUSTIN S.A.
Security
TENARIS S.A. Ordinary Shares, $1.00 par value per share
Symbol
TS
Shares outstanding
1,008,870,971 shares
Disclosed Ownership
692,085,486 shares
Ownership
69%
Form type
SCHEDULE 13D/A
Filing time
10 Feb 2026, 13:39:29 UTC
Date of event
06 Feb 2026
Previous filing
17 Dec 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN 69% 692,085,486 0 692,085,486 ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN /s/ Fernando J. Mantilla / Attorney-in-fact
SAN FAUSTIN S.A. 69% 692,085,486 0 692,085,486 SAN FAUSTIN S.A. /s/ Fernando J. Mantilla / Attorney-in-fact 0001429586
TECHINT HOLDINGS S.A R.L. 69% 692,085,486 692,085,486 0 TECHINT HOLDINGS S.A R.L. /s/ Fernando J. Mantilla / Attorney-in-fact