144 0001924278 XXXXXXXX LIVE 0001713445 Reddit, Inc. 001-41983 303 2nd Street, South Tower, 5th Floor San Francisco CA 94107 4154948016 BENJAMIN LEE Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

31250 7931562.50 137824835 01/07/2026 NYSE Common 01/07/2026 Exercise of Stock Options Issuer N 31250 01/07/2026 Cash N 10b5-1 Sales for BENJAMIN LEE

303 2nd Street, South Tower, 5th Floor San Francisco CA 94107

Common 12/18/2025 18750 4500000.00 10b5-1 Sales for BENJAMIN LEE

303 2nd Street, South Tower, 5th Floor San Francisco CA 94107

Common 12/16/2025 50000 11058415.63 10b5-1 Sales for BENJAMIN LEE

303 2nd Street, South Tower, 5th Floor San Francisco CA 94107

Common 12/16/2025 5005 1109168.09 10b5-1 Sales for BENJAMIN LEE

303 2nd Street, South Tower, 5th Floor San Francisco CA 94107

Common 11/24/2025 6427 1238333.79 The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale. 01/07/2026 09/11/2025 /s/ Benjamin Lee