The U.S. government's ownership of a golden share in U.S. Steel will not block Nippon Steel from taking any management action that it deems appropriate, the Japanese steelmaker's CEO said on Thursday.

Japanese steel giant Nippon Steel has finalized its $14.9-billion acquisition of US Steel, ending an 18-month political and regulatory battle. The deal is a win for President Donald Trump’s administration, which negotiated a “golden share” giving the U.S. government sweeping veto rights over company decisions.

"President Trump has secured a perpetual Golden Share as part of Nippon Steel's acquisition of US Steel," US Secretary of Commerce Howard Lutnick wrote in a social media post on X