05:15 PM EDT, 03/12/2026 (MT Newswires) -- Constellium (CSTM) said Thursday its board has approved a new stock buyback plan of up to $300 million.

The plan will take effect after the annual shareholder meeting on May 21 and will conclude on Dec. 31, 2028, the company said.

Shares of the company were up about 3.7% in after-hours activity.