X0508 4 2026-01-22 0 0001713445 Reddit, Inc. RDDT 0001924253 Slowe Christopher Brian C/O REDDIT, INC. 303 2ND STREET, SOUTH TOWER, 5TH FLOOR SAN FRANCISCO CA 94107 0 1 0 0 Chief Technology Officer 1 Class A Common Stock 2026-01-22 4 C 0 12000 0 A 181694 D Class A Common Stock 2026-01-22 4 S 0 2600 210.95 D 179094 D Class A Common Stock 2026-01-22 4 S 0 4330 211.94 D 174764 D Class A Common Stock 2026-01-22 4 S 0 3487 212.80 D 171277 D Class A Common Stock 2026-01-22 4 S 0 1300 213.86 D 169977 D Class A Common Stock 2026-01-22 4 S 0 2083 214.69 D 167894 D Class A Common Stock 2026-01-22 4 S 0 200 215.70 D 167694 D Class A Common Stock 20184 I By The Slowe Family Trust dated January 26, 2012 Stock Option (Right to Buy) 1.93 2026-01-22 4 M 0 12000 0 D 2026-02-25 Class B Common Stock 12000 9464 D Class B Common Stock 2026-01-22 4 M 0 12000 0 A Class A Common Stock 12000 12000 D Class B Common Stock 2026-01-22 4 C 0 12000 0 D Class A Common Stock 12000 0 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2025. The sales were executed in multiple trades at prices ranging from $210.41 to $211.36. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price within the ranges set forth in footnotes (2) to (7) to this Form 4. The sales were executed in multiple trades at prices ranging from $211.43 to $212.40. The sales were executed in multiple trades at prices ranging from $212.43 to $213.42. The sales were executed in multiple trades at prices ranging from $213.47 to $214.39. The sales were executed in multiple trades at prices ranging from $214.54 to $215.04. The sales were executed in multiple trades at prices ranging from $215.54 to $215.85. The stock option is fully vested and currently exercisable. The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. /s/ Julie Rogers, Attorney-in-Fact 2026-01-26