X0508 4 2026-01-06 0 0001713445 Reddit, Inc. RDDT 0001699294 Vollero Andrew C/O REDDIT, INC. 303 2ND STREET, SOUTH TOWER, 5TH FLOOR SAN FRANCISCO CA 94107 0 1 0 0 Chief Financial Officer 1 Class A Common Stock 2026-01-06 4 S 0 900 250.33 D 263631 D Class A Common Stock 2026-01-06 4 S 0 2000 251.71 D 261631 D Class A Common Stock 2026-01-06 4 S 0 1064 252.62 D 260567 D Class A Common Stock 2026-01-06 4 S 0 4074 253.63 D 256493 D Class A Common Stock 2026-01-06 4 S 0 375 254.26 D 256118 D Class A Common Stock 2026-01-07 4 S 0 500 260.06 D 255618 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 11, 2025. The sales were executed in multiple trades at prices ranging from $250.01 to $250.74. 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 $251.12 to $252.11. The sales were executed in multiple trades at prices ranging from $252.12 to $253.11. The sales were executed in multiple trades at prices ranging from $253.12 to $254.06. The sales were executed in multiple trades at prices ranging from $254.17 to $254.37. The sales were executed in multiple trades at prices ranging from $260.00 to $260.12. /s/ Julie Rogers, Attorney-in-Fact 2026-01-08