X0508 4 2026-02-20 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 2026-02-20 4 A 0 38413 0 A 204107 D Class A Common Stock 2026-02-20 4 F 0 10050 146.13 D 194057 D Class A Common Stock 2026-02-23 4 M 0 10036 7.92 A 204093 D Class A Common Stock 2026-02-23 4 S 0 3356 141.12 D 200737 D Class A Common Stock 2026-02-23 4 S 0 4730 141.98 D 196007 D Class A Common Stock 2026-02-23 4 S 0 2409 142.91 D 193598 D Class A Common Stock 2026-02-23 4 S 0 1667 143.99 D 191931 D Class A Common Stock 2026-02-23 4 S 0 1303 144.72 D 190628 D Class A Common Stock 2026-02-23 4 S 0 1971 146.16 D 188657 D Class A Common Stock 2026-02-23 4 S 0 1300 147.20 D 187357 D Class A Common Stock 2026-02-23 4 S 0 200 148.71 D 187157 D Class A Common Stock 2026-02-23 4 S 0 2100 149.99 D 185057 D Class A Common Stock 20184 I By The Slowe Family Trust dated January 26, 2012 Stock Option (Right to Buy) 7.92 2026-02-23 4 M 0 10036 0 D 2029-05-28 Class A Common Stock 10036 96543 D These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Class A common stock. The RSUs shall vest quarterly over a 1-year period, with 1/4th of the RSUs vesting on each of May 20, August 20, November 20, and February 20, subject to the Reporting Person continuing to be a service provider through each such date. These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations. Not a market sale. 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 $140.55 to $141.54. 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 (4) to (12) to this Form 4. The sales were executed in multiple trades at prices ranging from $141.55 to $142.52. The sales were executed in multiple trades at prices ranging from $142.56 to $143.55. The sales were executed in multiple trades at prices ranging from $143.56 to $144.48. The sales were executed in multiple trades at prices ranging from $144.57 to $144.94. The sales were executed in multiple trades at prices ranging from $145.72 to $146.69. The sales were executed in multiple trades at prices ranging from $146.92 to $147.47. The sales were executed in multiple trades at prices ranging from $148.42 to $149.00. The sales were executed in multiple trades at prices ranging from $149.55 to $150.00. The stock option is fully vested and currently exercisable. /s/ Julie Rogers, Attorney-in-Fact 2026-02-24