South32 (ASX: S32) Stock on 4 December 2025: Share Price, Cerro Matoso Exit, New ESG Director and 2026–2028 Outlook

South32 Limited enters December 2025 amid a burst of corporate news: completion of a major nickel divestment, a new director with heavyweight ESG credentials, fresh buy‑back activity and a portfolio increasingly geared to energy‑transition metals. Here’s where the South32 share price, forecasts and fundamentals stand today.