Mark Reinstra - 16 Jun 2025 Form 4 Insider Report for Roblox Corp (RBLX)

Reporting relationship: Chief Legal Off. & Corp. Sec.
Issuer ticker: RBLX
Reported as of: 16 Jun 2025
Net transaction value: -$14,451,615
SEC form: 4
Accepted by SEC: 18 Jun 2025, 16:26:17 UTC
Prior SEC filing: 29 May 2025
Next SEC filing: 07 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ Mark Reinstra

Key filing fact

Mark Reinstra filed Form 4 for Roblox Corp (RBLX) on 18 Jun 2025.

Key facts

This page summarizes Mark Reinstra's Form 4 filing for Roblox Corp (RBLX).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 Jun 2025, 16:26.

Change

Previous filing in this sequence was filed on 29 May 2025.
Current net transaction value: -$14,451,615.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001835037 Primary reporting owner

Reinstra Mark

Relationship: Chief Legal Off. & Corp. Sec.
Address: C/O ROBLOX CORPORATION, 3150 S. DELAWARE ST., SAN MATEO
Signature: /s/ Mark Reinstra
Signature date: 18 Jun 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RBLX transaction

Class A Common Stock

Options Exercise

Transaction value: $510,750
Shares: +150,000
Change %: +39%
Price: $3.40
Shares after: 539,489
Date: 16 Jun 2025
Ownership: Direct
Footnotes: F1, F2

RBLX transaction

Class A Common Stock

Sale

Transaction value: $14,962,365
Shares: -150,000
Change %: -28%
Price: $99.75
Shares after: 389,489
Date: 16 Jun 2025
Ownership: Direct
Footnotes: F1, F2, F3

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 115,472
Date: 16 Jun 2025
Ownership: See footnote
Footnotes: F4

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 35,359
Date: 16 Jun 2025
Ownership: See footnote
Footnotes: F5

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 18,482
Date: 16 Jun 2025
Ownership: See Footnote
Footnotes: F6

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 35,359
Date: 16 Jun 2025
Ownership: See footnote
Footnotes: F7

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 18,482
Date: 16 Jun 2025
Ownership: See Footnotes
Footnotes: F8

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RBLX transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -150,000
Change %: -83%
Price: $0.000000
Shares after: 31,528
Date: 16 Jun 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 150,000
Exercise price: $3.40
Footnotes: F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 9 footnotes

Footnote F1

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 20, 2025.

Footnote 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.

Footnote F3

The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $99.50 to $100.17, 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 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.

Footnote F9

All of the shares subject to the option are fully vested and exercisable as of the date hereof.

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