X0609 4 2026-10-14 0 0001713445 Reddit, Inc. RDDT 0001663651 Wong Jennifer L. false 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 2026-10-14 4 M 0 45437 20.76 A 1057663 D Class A Common Stock 2026-10-14 4 M 0 14563 25.29 A 1072226 D Class A Common Stock 2026-10-14 4 S 0 26105 148.86 D 1046121 D Class A Common Stock 2026-10-14 4 S 0 6399 150.08 D 1039722 D Class A Common Stock 2026-10-14 4 S 0 11200 150.87 D 1028522 D Class A Common Stock 2026-10-14 4 S 0 5495 152.14 D 1023027 D Class A Common Stock 2026-10-14 4 S 0 5701 152.82 D 1017326 D Class A Common Stock 2026-10-14 4 S 0 2100 154.03 D 1015226 D Class A Common Stock 2026-10-14 4 S 0 1639 154.88 D 1013587 D Class A Common Stock 2026-10-14 4 S 0 1361 155.91 D 1012226 D Class A Common Stock 36000 I By MorMa Trust dated June 22, 2021 Stock Option (Right to Buy) 20.76 2026-10-14 4 M 0 45437 0 D 2031-05-20 Class A Common Stock 45437 0 D Stock Option (Right to Buy) 25.29 2026-10-14 4 M 0 14563 0 D 2033-12-25 Class A Common Stock 14563 1428511 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2026. The sales were executed in multiple trades at prices ranging from $148.50 to $149.49. 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 $149.50 to $150.49. The sales were executed in multiple trades at prices ranging from $150.50 to $151.38. The sales were executed in multiple trades at prices ranging from $151.51 to $152.49. The sales were executed in multiple trades at prices ranging from $152.51 to $153.43. The sales were executed in multiple trades at prices ranging from $153.54 to $154.47. The sales were executed in multiple trades at prices ranging from $154.54 to $155.47. The sales were executed in multiple trades at prices ranging from $155.55 to $156.31. The stock option is fully vested and currently exercisable. The option vests over five years on each quarterly anniversary of December 25, 2023. /s/ Julie Rogers, Attorney-in-Fact 2026-10-16