3M Chairman & CEO William M. Brown's Stock Transactions - May 2026

This Form 4 filing reports stock transactions by 3M Company Chairman & CEO William M. Brown on May 1, 2026. The filing shows two significant transactions: Brown acquired 8,578 shares of 3M common stock at $142.50 per share through a market transaction (code M), increasing his direct holdings to 13,243 shares. Simultaneously, he disposed of 3,912 shares at the same $142.50 price through a tax withholding obligation (code F), resulting in 9,331 shares held directly. The filing also discloses the vesting of 8,578 restricted stock units (RSUs) that converted to common stock, with the remaining RSU balance at 8,579 units. These RSUs vest in three equal annual installments beginning May 3, 2025, with each unit representing a contingent right to receive one share of 3M common stock.