X0508 4 2026-01-15 0 0001713445 Reddit, Inc. RDDT 0001827011 Huffman Steve Ladd 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 2026-01-15 4 M 0 18000 0 A 466576 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 300 225.84 D 466276 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 3181 227.36 D 463095 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 3556 228.39 D 459539 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 1200 229.39 D 458339 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 800 230.39 D 457539 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 796 231.38 D 456743 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 600 232.33 D 456143 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 700 234.42 D 455443 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 1105 235.39 D 454338 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 1624 236.69 D 452714 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 500 237.30 D 452214 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 600 238.48 D 451614 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 1236 239.71 D 450378 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 1064 240.62 D 449314 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 300 242.67 D 449014 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 238 245.55 D 448776 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 100 248.96 D 448676 I By The XYZ Revocable Trust Class A Common Stock 2026-01-15 4 S 0 100 249.98 D 448576 I By The XYZ Revocable Trust Stock Option (Right to Buy) 25.29 2026-01-15 4 M 0 18000 0 D 2033-12-25 Class A Common Stock 18000 1315255 I By The XYZ Revocable Trust The sales 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 $225.67 to $225.94. 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 (17) to this Form 4. The sales were executed in multiple trades at prices ranging from $226.88 to $227.76. The sales were executed in multiple trades at prices ranging from $227.89 to $228.88. The sales were executed in multiple trades at prices ranging from $228.91 to $229.85. The sales were executed in multiple trades at prices ranging from $229.91 to $230.78. The sales were executed in multiple trades at prices ranging from $230.99 to $231.97. The sales were executed in multiple trades at prices ranging from $232.06 to $232.59. The sales were executed in multiple trades at prices ranging from $233.82 to $234.80. The sales were executed in multiple trades at prices ranging from $234.93 to $235.82. The sales were executed in multiple trades at prices ranging from $236.13 to $237.09. The sales were executed in multiple trades at prices ranging from $237.16 to $237.69. The sales were executed in multiple trades at prices ranging from $238.19 to $238.80. The sales were executed in multiple trades at prices ranging from $239.25 to $240.24. The sales were executed in multiple trades at prices ranging from $240.25 to $240.97. The sales were executed in multiple trades at prices ranging from $242.24 to $243.22. The sales were executed in multiple trades at prices ranging from $245.18 to $246.06. 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 2026-01-20