Roblox Corp — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Roblox Corp (RBLX)
CIK: 0001315098
Period of Report: 2026-03-01

Reporting Person: Reinstra Mark (Chief Legal Off. & Corp. Sec.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-01	Class A Common Stock	A	96790	—	Acquired	474126	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-03-01	Performance Stock Unit	$	A	104236	Acquired		Class A Common Stock (104236)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	120272	Indirect
Class A Common Stock	33538	Indirect
Class A Common Stock	16653	Indirect
Class A Common Stock	33538	Indirect
Class A Common Stock	16653	Indirect

Footnotes

F1: 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. 1/12th of the RSUs shall vest on May 20, 2026 and 1/12th of the RSUs shall vest quarterly thereafter, subject to the Reporting Person continuing as a service provider through each such date.

F2: A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3: Includes 200 shares acquired by the Reporting Person on February 25, 2026 pursuant to the Issuer's 2020 Employee Stock Purchase Plan.

F4: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

F5: These shares are held directly by the Mark L. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F6: These shares are held directly by the Mark L. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F7: These shares are held directly by the Susan P. Reinstra 2023 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F8: These shares are held directly by the Susan P. Reinstra 2022 Annuity Trust for which the Reporting Person serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Annuity Trust.

F9: Each performance stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F10: Represents that maximum number of shares of Class A Common Stock which may be issued under this award.

F11: The vesting of the performance stock units ("PSUs") is subject to satisfying performance-based requirements, including the achievement of certain Bookings and Covenant Adjusted EBITDA margin targets by the Issuer for two successive one-year periods beginning January 1, 2026 and a relative total shareholder return target by the Issuer during a two-year performance period from January 1, 2026 and December 31, 2027. Subject to continued service by the Reporting Person on the vesting date, 100% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee after the end of the two-year performance period on December 31, 2027.