144 0001835037 XXXXXXXX LIVE 0001315098 Roblox Corp 001-39763 3150 SOUTH DELAWARE STREET SAN MATEO CA 94403 (888) 858-2569 Reinstra Mark Officer Common Charles Schwab & Co., Inc.

3000 Schwab Way Westlake TX 76262

18653 1080878.00 661635583 04/13/2026 NYSE Common 04/13/2026 Performance Stock Lapse - See Remarks ROBLOX CORP N 18653 04/13/2026 Equity Compensation N MARK REINSTRA

3150 SOUTH DELAWARE STREET SAN MATEO CA 94403

ROBLOX CORP 02/10/2026 34320 2493476.00 MARK REINSTRA

3150 SOUTH DELAWARE STREET SAN MATEO CA 94403

ROBLOX CORP 02/13/2026 60000 3836484.00 MARK REINSTRA

3150 SOUTH DELAWARE STREET SAN MATEO CA 94403

ROBLOX CORP 02/20/2026 17186 1058775.00 Shares sold to cover tax obligation from settlement of vested Performance Stock Units. 04/13/2026 MARK REINSTRA