Matthew D. Kaufman - 20 May 2026 Form 4 Insider Report for Roblox Corp (RBLX)

Reporting relationship: Chief Safety Officer
Issuer ticker: RBLX
Reported as of: 20 May 2026
Net transaction value: -$649,956
SEC form: 4
Accepted by SEC: 22 May 2026, 17:28:13 UTC
Prior SEC filing: 15 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Reinstra Attorney-in-Fact for Matthew D. Kaufman

Key filing fact

Matthew D. Kaufman filed Form 4 for Roblox Corp (RBLX) on 22 May 2026.

Key facts

This page summarizes Matthew D. Kaufman's Form 4 filing for Roblox Corp (RBLX).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 22 May 2026, 17:28.

Change

Previous filing in this sequence was filed on 15 Apr 2026.
Current net transaction value: -$649,956.

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 0002044191 Primary reporting owner

Kaufman Matthew D

Relationship: Chief Safety Officer
Address: C/O ROBLOX CORPORATION, 3150 S. DELAWARE ST., SAN MATEO
Signature: /s/ Mark Reinstra Attorney-in-Fact for Matthew D. Kaufman
Signature date: 22 May 2026

Reported non-derivative transactions

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

RBLX transaction

Class A Common Stock

Sale

Transaction value: $62,638
Shares: -1,410
Change %: -0.39%
Price: $44.42
Shares after: 362,910
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F2, F3

RBLX transaction

Class A Common Stock

Sale

Transaction value: $578,598
Shares: -12,756
Change %: -3.5%
Price: $45.36
Shares after: 350,154
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F3, F4

RBLX transaction

Class A Common Stock

Sale

Transaction value: $8,719
Shares: -190
Change %: -0.05%
Price: $45.89
Shares after: 349,964
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F3, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents the number of shares sold to cover statutory tax withholding obligations arising in connection with the vesting of certain Restricted Stock Units ("RSUs") and Performance Stock Units ("PSUs"). These shares were sold pursuant to a mandatory "sell-to-cover" arrangement under the Issuer's equity incentive plan to satisfy tax withholding obligations and do not represent a discretionary transaction by the Reporting Person.

Footnote F2

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.88 to $44.87, 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

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.88 to $45.83, 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 F5

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.89 to $45.90, 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.