Form 4 Filing for Block, Inc. by Brian Grassadonia

This filing details several transactions of Class A Common Stock by Brian Grassadonia, Ecosystem Lead at Block, Inc. On May 15, 2026, 438 shares were acquired under the Employee Stock Purchase Plan. Subsequently, on May 20, 2026, 9,602 shares were disposed of, with a price per share of $70.89, noted as shares withheld for tax obligations. On May 22, 2026, two transactions occurred: 5,025 shares were sold at a weighted average price of $67.76 (ranging from $67.18 to $68.16) and 3,141 shares were sold at a weighted average price of $68.41 (ranging from $68.18 to $68.94). These latter two sales were conducted under a Rule 10b5-1 trading plan. Following these transactions, Grassadonia holds 601,002 shares of Class A Common Stock.