X0609 4 2026-03-18 0 0001713445 Reddit, Inc. RDDT 0001663651 Wong Jennifer L. C/O REDDIT, INC. 303 2ND STREET, SOUTH TOWER, 5TH FLOOR SAN FRANCISCO CA 94107 0 1 0 0 Chief Operating Officer 1 Class A Common Stock 2026-03-18 4 M 0 33507 0 A 1121958 D Class A Common Stock 2026-03-18 4 S 0 15946 142.76 D 1106012 D Class A Common Stock 2026-03-18 4 S 0 11732 143.54 D 1094280 D Class A Common Stock 2026-03-18 4 S 0 3929 144.51 D 1090351 D Class A Common Stock 2026-03-18 4 S 0 1500 145.63 D 1088851 D Class A Common Stock 2026-03-18 4 S 0 400 146.36 D 1088451 D Class A Common Stock 2026-03-18 4 S 0 2758 142.81 D 38900 I By MorMa Trust dated June 22, 2021 Class A Common Stock 2026-03-18 4 S 0 2100 143.68 D 36800 I By MorMa Trust dated June 22, 2021 Class A Common Stock 2026-03-18 4 S 0 600 144.46 D 36200 I By MorMa Trust dated June 22, 2021 Class A Common Stock 2026-03-18 4 S 0 100 145.29 D 36100 I By MorMa Trust dated June 22, 2021 Class A Common Stock 2026-03-18 4 S 0 100 146.45 D 36000 I By MorMa Trust dated June 22, 2021 Stock Option (Right to Buy) 5.35 2026-03-18 4 M 0 33507 0 D 2028-06-12 Class A Common Stock 33507 233120 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 16, 2025. The sales were executed in multiple trades at prices ranging from $142.13 to $143.12. 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 (9) to this Form 4. The sales were executed in multiple trades at prices ranging from $143.13 to $144.12. The sales were executed in multiple trades at prices ranging from $144.13 to $145.10. The sales were executed in multiple trades at prices ranging from $145.22 to $146.19. The sales were executed in multiple trades at prices ranging from $146.25 to $146.53. The sales were executed in multiple trades at prices ranging from $142.19 to $143.18. The sales were executed in multiple trades at prices ranging from $143.21 to $144.12. The sales were executed in multiple trades at prices ranging from $144.22 to $145.05. The stock option is fully vested and currently exercisable. /s/ Julie Rogers, Attorney-in-Fact 2026-03-20