X0609 4 2026-08-14 0 0001713445 Reddit, Inc. RDDT 0001827011 Huffman Steve Ladd false C/O REDDIT, INC. 303 2ND STREET, SOUTH TOWER, 5TH FLOOR SAN FRANCISCO CA 94107 1 1 1 0 CEO & President 1 Class A Common Stock 2026-08-14 4 M 0 18000 25.29 A 391814 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 1300 175.04 D 390514 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 2292 176.11 D 388222 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 2808 177.04 D 385414 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 5100 178.09 D 380314 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 2800 178.95 D 377514 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 2200 180.15 D 375314 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 600 181.06 D 374714 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 600 182.19 D 374114 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 200 182.82 D 373914 I By The XYZ Revocable Trust Class A Common Stock 2026-08-14 4 S 0 100 184.06 D 373814 I By The XYZ Revocable Trust Class A Common Stock 68966 I EVS Trust - I Class A Common Stock 6897 I JDI Trust - I Class A Common Stock 6897 I MLH Trust - I Stock Option (Right to Buy) 25.29 2026-08-14 4 M 0 18000 0 D 2033-12-25 Class A Common Stock 18000 1063255 I By The XYZ Revocable Trust The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 19, 2025. The sales were executed in multiple trades at prices ranging from $174.57 to $175.44. 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 10 to this Form 4. The sales were executed in multiple trades at prices ranging from $175.57 to $176.56. The sales were executed in multiple trades at prices ranging from $176.60 to $177.56. The sales were executed in multiple trades at prices ranging from $177.60 to $178.58. The sales were executed in multiple trades at prices ranging from $178.60 to $179.56. The sales were executed in multiple trades at prices ranging from $179.61 to $180.55. The sales were executed in multiple trades at prices ranging from $180.75 to $181.54. The sales were executed in multiple trades at prices ranging from $181.77 to $182.52. The sales were executed in multiple trades at prices ranging from $182.78 to $182.85. The sale was executed in a single trade at a price of $184.06. The securities are directly held by a grantor retained annuity trust, of which the Reporting Person is sole trustee and beneficiary. The option vests over five years on each quarterly anniversary of December 25, 2023, subject to the Reporting Person's continued employment or service relationship with the Issuer on each such vesting date. /s/ Julie Rogers, Attorney-in-Fact 2026-08-18