144 0001658470 XXXXXXXX LIVE 0001512673 Block, Inc. 001-37622 1955 Broadway Suite 600 Oakland CA 94612 503-704-8745 Alyssa Henry Former Officer Class A Common Stock Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Drive 4th Floor Sandy UT 84070

5875 380876.25 553569000 12/04/2023 NYSE Class A Common Stock 12/01/2023 Restricted Stock ISSUER N 5875 12/04/2023 Not Applicable N Alyssa Henry

1955 Broadway Suite 600 Oakland CA 94612

Class A Common Stock 11/10/2023 124709 6415329.39 Alyssa Henry

1955 Broadway Suite 600 Oakland CA 94612

Class A Common Stock 10/02/2023 4196 185302.82 12/04/2023 Alyssa Henry