144 0001663450 XXXXXXXX LIVE 0000884269 ALPHA PRO TECH,LTD. 001-15725 53 WELLINGTON STREET EAST AURORA A6 L4G 1H6 905-479-0654 COLLEEN MCDONALD Officer common Virtue Financial

1633 Broadway 41st floor New York NY 10019

20000 123119 11462034 03/21/2024 NYSE common 03/18/2024 exercise of options under a registered plan Issuer N 30000 03/18/2024 cash / check Y 03/21/2024 /s/ Colleen McDonald