X0609 4 2026-08-20 0 0001512673 Block, Inc. XYZ 0002047775 Jennings Owen Britton false 1955 BROADWAY SUITE 600 OAKLAND CA 94612 0 1 0 0 Business Lead 1 Class A Common Stock 2026-08-20 4 F 0 17633 80.08 D 462029 D Class A Common Stock 2026-08-21 4 S 0 584 80.04 D 461445 D Class A Common Stock 2026-08-24 4 S 0 1317 81.48 D 460128 D Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on September 2, 2025. /s/ Tyler Owens, Attorney-in-Fact 2026-08-24