Roblox (RBLX)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-24 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Roblox Corp (RBLX) CIK: 0001315098 --- Reporting Owner --- Name: BUCKLEY SEAN JACK CIK: 0002122649 Role: Officer (Chief People & Systems Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-08-24 | Code: S (Open market sale) Shares: -4,321 | Price: $38.68 Total Value: $167,136.28 Shares Owned After: 87,213 | Ownership: D (Direct) Footnotes: [F1] The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 3, 2025. [F2] A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. --- Footnotes (Complete Index) --- F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 3, 2025. F2: A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. --- Signature --- /s/ /s/ Mark Reinstra Attorney-in-Fact for Sean Jack Buckley (2026-08-25)