SEC Form 4 · accession 0001315098-26-000161
Roblox Corp · RBLX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Reinstra
Officer — Chief Legal Off. & Corp. Sec.
Period of report
Aug 19, 2026
Accepted (ET)
Aug 20, 2026 · 4:16 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001315098
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF2 | Aug 19, 2026 | S | 6,250 | $40.00 | D | 415,998 | D | |
| Class A Common StockF3 | holding | — | — | — | 128,006 | I | See footnote | |
| Class A Common StockF4 | holding | — | — | — | 12,786 | I | See Footnote | |
| Class A Common StockF5 | holding | — | — | — | 12,786 | I | See Footnote | |
| Class A Common StockF6 | holding | — | — | — | 33,538 | I | See footnote | |
| Class A Common StockF7 | holding | — | — | — | 33,538 | I | See footnote |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 19, 2026.
- F2A 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.
- F3These 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.
- F4These 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.
- F5These 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.
- F6These 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.
- F7These 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.