X0508 4 2026-02-20 0 0001315098 Roblox Corp RBLX 0001834991 Baszucki David C/O ROBLOX CORPORATION 3150 S. DELAWARE ST. SAN MATEO CA 94403 1 1 1 0 President & CEO 0 Class A Common Stock 2026-02-20 4 S 0 4045 60.97 D 807328 D Class A Common Stock 2026-02-20 4 S 0 6019 61.93 D 801309 D Class A Common Stock 2026-02-20 4 S 0 770 62.76 D 800539 D Class A Common Stock 806254 I See Footnote Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $60.50 to $61.47, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. 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. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $61.60 to $62.46, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $62.58 to $63.01, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. These shares are held directly by The Freedom Revocable Trust dated February 28, 2017 as amended, and for which the Reporting Person serves as trustee. /s/ Adele Freedman Attorney-in-Fact for David Baszucki 2026-02-24