Brazil's securities regulator CVM is examining Vale SA after reports that the resignation of board chair Daniel Stieler this week included a negotiated compensation package. The world's largest iron ore producer disclosed Stieler's departure on Monday without detailing exit terms, prompting Brazilian media to reveal a separation agreement that could exceed standard statutory requirements.

The scrutiny arrives as Vale navigates a leadership transition following the 2023 appointment of CEO Gustavo Pimenta, who inherited a mandate to repair trust after the 2019 Brumadinho dam collapse killed 270 people. Investors have pressed for tighter governance after the company agreed to a $7 billion settlement with Brazilian authorities last year. Any perception of excessive payouts to departing directors risks reigniting concerns about board accountability.

Shares in Vale traded little changed in São Paulo, though the stock has declined roughly 15% this year amid weaker Chinese steel demand and falling iron ore prices. The CVM has not announced a formal investigation, but its review signals heightened regulatory attention on executive compensation practices across Brazilian blue chips.