President Wenger Howard sold $8,162,614 worth of shares (62,670 units at $130.25) as part of a pre-agreed trading plan and disposed of $1,276,981 worth of shares (9,870 units at $129.38) as part of a pre-agreed trading plan, decreasing direct ownership by 15% to 416,597 units (SEC Form 4) to satisfy withholding tax