Proxy Statements (Def-14A)
NYSE
Rio Tinto is set to acquire Arcadium Lithium for $5.85 per share in cash, a move unanimously approved by both companies' boards, to establish a leading position in the lithium market.
NYSE
DEFA14A: Rio Tinto to Acquire Arcadium Lithium for $6.7 Billion, Creating a World-Class Lithium Business
Rio Tinto is set to acquire Arcadium Lithium in an all-cash transaction valued at $6.7 billion, marking a significant expansion into the lithium market and strengthening its position in energy transition commodities.
Schedule 13D - Activist Investments
NYSE
Rio Tinto plc and Rio Tinto Canada Inc. reported a passive decrease in their beneficial ownership of Western Copper and Gold Corporation to 8.42% due to an increase in the issuer's outstanding common shares.
Capital raise
Worse than expected
NYSE
Rio Tinto Canada Inc. has increased its beneficial ownership in Western Copper and Gold Corporation to 9.50% through recent private placements and updated its investor rights agreement, extending its strategic influence until November 2026.
Capital raise
Schedule 13G - Passive Investments
NYSE
BlackRock, Inc. has filed an amended Schedule 13G, disclosing an increased beneficial ownership of 7.1% in Rio Tinto PLC's common stock as of March 31, 2025.