FilingsForm 4

Roblox chief legal officer Mark Reinstra sold 18,653 shares for $1.08 million

From the public record1 min read

Published Oct 20, 2026 · 08:31 UTCUpdated Oct 20, 2026 · 22:46 UTCFiled Apr 15, 2026

Value$1.08 million

Shares18,653

Average price$57.94

FiledApr 15

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

Mark Reinstra, Roblox's chief legal officer and corporate secretary, sold 18,653 shares for $1.08 million on Apr 13, 2026. The average price was $57.94 a share, and a footnote says the shares were sold to cover tax withholding when the final tranche of performance stock units granted on Apr 13, 2023 vested. The footnote adds that the sale was mandated by the company's election, under its equity incentive plans, to have the tax funded by a sale of shares, and that it was not a discretionary sale by him. The Form 4, the form an insider files when trading the company's shares, was filed on Apr 15, 2026 and is on SEC EDGAR.1 2 3 4 5 6 7 8 9

How each figure was checked9 facts

who traded, as the form names the ownerMark ReinstraOur database
the owner's role at the companyofficer (Chief Legal Off. & Corp. Sec.)Our database
shares sold in the form's sale lines18,653Our database
value of the sale lines$1.08 millionOur database
date of the first sale lineApr 13, 2026Our database
average price per share$57.94Our database
footnote F1: the sale covered tax withholding on the vesting of performance stock units granted April 13, 2023April 13, 2023SEC EDGAR, Form 4 footnotes ↗
footnote F1: the equity plans require the tax to be funded by a sale to cover, which is not a discretionary sale by the ownerSEC EDGAR, Form 4 footnotes ↗
date the Form 4 was filedApr 15, 2026Our database

The record

Issuer: Roblox (CIK 1315098, filed as Roblox Corp)
Form: 4
Accession: 0001315098-26-000089
Filed: Apr 15, 2026
Period of report: Apr 13, 2026
Reporting owner: Mark Reinstra (CIK 1835037, filed as Reinstra Mark)
Relationship: officer (Chief Legal Off. & Corp. Sec.)
Rule 10b5-1 checkbox: Not ticked
Line 1: S (sale) · 18,553 Class A Common Stock at $57.94 · Apr 13, 2026 · disposed, directly · 455,573 held after · footnotes F1, F2 and F3
Line 2: S (sale) · 100 Class A Common Stock at $58.47 · Apr 13, 2026 · disposed, directly · 455,473 held after · footnotes F1 and F3
Footnote F1: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of the final tranche of performance stock units ("PSUs") granted on April 13, 2023. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.
Footnote F2: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $57.43 to $58.42, 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.
Footnote F3: 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.