Controlling Shareholder Reduces Stake by 1.11% Through $397.3M Open Market Sale

summarizeSummary

Techint Holdings, a controlling shareholder group, reported selling 18.9 million shares of Tenaris SA for approximately $397.3 million, reducing its stake by 1.11% to 68.55%.

check_boxKey Events

• Controlling Shareholder Divests Shares

  Techint Holdings, part of the controlling shareholder group, sold 18,919,701 ordinary shares in the open market between December 15, 2025, and February 6, 2026.

• Significant Transaction Value

  The sales, executed at weighted average prices ranging from approximately $19.07 to $23.12 per share, amounted to an estimated total of $397.3 million.

• Stake Reduction

  The sales resulted in a net decrease of the reporting persons' ownership from 69.66% to 68.55% of the outstanding shares.

• Offset by Company Buybacks

  The reduction in ownership was partially offset by Tenaris SA's own share repurchase program, which bought back 11,065,751 shares during a similar period (December 15, 2025, to January 2, 2026).

auto_awesomeAnalysis

This Schedule 13D/A details a significant reduction in ownership by Techint Holdings, a key entity within the controlling shareholder group. The sale of over 18.9 million shares, valued at approximately $397.3 million, represents a notable divestment, even though it was executed under a pre-planned disposal agreement. This reduction in stake occurred during a period when Tenaris SA was actively repurchasing its own shares, partially offsetting the dilutive effect of the shareholder's sales. While the sales were pre-planned and executed at prices significantly lower than the current market price, the sheer volume of shares sold by a controlling entity is an important signal for investors to monitor.