USD600 million buyback: Tenaris (TNRSF) ends first tranche of program
Rhea-AI Filing Summary
Tenaris S.A. has completed the first USD600 million tranche of its previously announced USD1.2 billion Share Buyback Program. Between June 9, 2025 and September 30, 2025, the company repurchased 33,059,955 ordinary shares, equal to 3.08% of its total issued share capital, for total consideration of €516,588,880 (approximately USD600 million).
As of September 30, 2025, all 33,059,955 repurchased shares are held as treasury shares, and Tenaris states that it intends to cancel all treasury shares bought under the program in due course, effectively reducing its share count once cancellation occurs.
Positive
- Completion of major buyback tranche: Tenaris completed the first USD600 million tranche of its USD1.2 billion Share Buyback Program, repurchasing 33,059,955 shares (3.08% of issued share capital), which it intends to cancel, pointing to a meaningful planned reduction in share count.
Negative
- None.
Insights
Tenaris completes a sizable buyback tranche, retiring over 3% of its share capital once cancellations occur.
Tenaris finished the first USD600 million tranche of its USD1.2 billion share buyback, acquiring 33,059,955 ordinary shares, or 3.08% of issued share capital, for €516,588,880. These shares are currently held in treasury.
The company states it intends to cancel all treasury shares purchased under the program, which would reduce the share count and spread earnings over fewer shares. The first tranche, completed as of September 30, 2025, represents roughly half of the announced buyback capacity, with future activity depending on subsequent tranches.

