RBLX Chief Safety Officer sells 6,000 shares via 10b5-1 plan

Rhea-AI Filing Summary

Roblox Corp (RBLX) Form 4 shows that Matthew D. Kaufman, the companys Chief Safety Officer, sold 6,000 shares of Class A common stock on 10/02/2025 at a price of $135.02 per share. The sale was executed under a Rule 10b5-1 trading plan the reporting person adopted on 11/01/2024, which the filing notes as the basis for the transactions. After the sale, the reporting person beneficially owned 272,642 shares, a total that the filing states includes Restricted Stock Units (RSUs) where each RSU converts into one share if and when vested. The Form 4 is signed by an attorney-in-fact on behalf of Mr. Kaufman on 10/06/2025.

Insights

Corporate Governance Expert

Insider sale follows a pre-established 10b5-1 plan and appears procedural.

The reported 6,000-share sale at $135.02 was executed under a Rule 10b5-1 plan adopted on 11/01/2024, which typically provides an affirmative defense against claims of trading on material nonpublic information when properly structured.

Key dependencies include the plans terms and timing relative to material company events; absent other changes, this single sale within a pre-set plan is a routine insider liquidity action over the near term (weeks to months).

Equity Compensation Analyst

The filing clarifies that the reporting persons holdings include RSUs that convert to Class A shares upon vesting.

The beneficial ownership figure of 272,642 shares explicitly includes Restricted Stock Units, each representing a contingent right to one share, which affects the reported stake but may not all be immediately liquid or exercisable.

Investors monitoring dilution or insider alignment should note the RSU component and vesting schedule (not disclosed here) as the next material detail; vesting milestones would be the relevant near-term event to check.

Insider Trade Summary

Net Seller: 6,000 shares ($810,120)

Net Sell 1 txn

Insider Kaufman Matthew D

Role Chief Safety Officer

Sold 6,000 shs ($810K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	6,000	$135.02	$810K

Holdings After Transaction: Class A Common Stock — 272,642 shares (Direct)

Footnotes (1)

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 01, 2024. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kaufman Matthew D

(Last) (First) (Middle)

C/O ROBLOX CORPORATION

3150 S. DELAWARE ST.

(Street)

SAN MATEO CA 94403

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Roblox Corp [ RBLX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Safety Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/02/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/02/2025		S(1)		6,000	D	$135.02	272,642(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 01, 2024.

2. 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.

Remarks:

	/s/ Mark Reinstra Attorney-in-Fact for Matthew D. Kaufman	10/06/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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