Gregory Baszucki - 04 Aug 2026 Form 4 Insider Report for Roblox Corp (RBLX)

Reporting relationship: Director
Issuer ticker: RBLX
Reported as of: 04 Aug 2026
Net transaction value: -$624,380
SEC form: 4
Accepted by SEC: 05 Aug 2026, 17:35:55 UTC
Prior SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Reinstra Attorney-in-Fact for Gregory Baszucki

Key filing fact

Gregory Baszucki filed Form 4 for Roblox Corp (RBLX) on 05 Aug 2026.

Key facts

This page summarizes Gregory Baszucki's Form 4 filing for Roblox Corp (RBLX).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 Aug 2026, 17:35.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: -$624,380.

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 0001834990 Primary reporting owner

Baszucki Gregory

Relationship: Director
Address: C/O ROBLOX CORPORATION, 3150 S. DELAWARE ST., SAN MATEO
Signature: /s/ Mark Reinstra Attorney-in-Fact for Gregory Baszucki
Signature date: 05 Aug 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: $274,167
Shares: -7,333
Change %: -0.08%
Price: $37.39
Shares after: 8,954,718
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F1, F2, F3

RBLX transaction

Class A Common Stock

Sale

Transaction value: $38,024
Shares: -1,000
Change %: -0.01%
Price: $38.02
Shares after: 8,953,718
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F1, F3, F4

RBLX transaction

Class A Common Stock

Sale

Transaction value: $274,128
Shares: -7,332
Change %: -0.57%
Price: $37.39
Shares after: 1,270,503
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F1, F2, F5

RBLX transaction

Class A Common Stock

Sale

Transaction value: $38,062
Shares: -1,001
Change %: -0.08%
Price: $38.02
Shares after: 1,269,502
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F1, F4, F5

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,185
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F6

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 869,250
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F7

RBLX holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 869,250
Date: 04 Aug 2026
Ownership: See Footnotes
Footnotes: F8

^* 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 8 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 November 28, 2025.

Footnote F2

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.96 to $37.95, 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

These shares are held of record by the Greg and Christina Baszucki Living Trust dtd 08/18/2006 of which the Reporting Person serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the shares held by the Trust.

Footnote F4

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.96 to $38.28, 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

These shares are held directly under a Roth IRA account for the Reporting Person (formerly known as the PENSCO Trust Co).

Footnote F6

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 F7

These shares are held directly by the Morningstar Dynasty Trust dtd 11/13/2020 of which Bessemer Trust Company of DE, N.A. serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the shares held by the Trust.

Footnote F8

These shares are held directly by the Crossbow Dynasty Trust dtd 11/13/2020 of which Bessemer Trust Company of DE, N.A. serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the shares held by the Trust.