Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * BUCKLEY SEAN JACK 2. Date of Event Requiring Statement (Month/Day/Year) 03/19/2026 3. Issuer Name and Ticker or Trading Symbol Roblox Corp [RBLX] (Last) (First) (Middle) C/O ROBLOX CORPORATION, 3150 S. DELAWARE ST. 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief People & Systems Officer 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) SAN MATEO, CA 94403 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Class A Common Stock 107,551(1) D

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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Unit	(2)	(2)	Class A Common Stock	50,286(3)	(4)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BUCKLEY SEAN JACK C/O ROBLOX CORPORATION 3150 S. DELAWARE ST. SAN MATEO, CA 94403			Chief People & Systems Officer

Signatures

/s/ Mark Reinstra Attorney-in-Fact for Sean Jack Buckley		03/26/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Includes 86,627 Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest as follows: 10,410 vest on 5/20/2026, 9,928 vest on 8/20/2026, 10,480 vest on 11/20/2026, 10,039 vest on 2/20/2027, 8,711 vest on 5/20/2027, 7,928 vest on 8/20/2027, 6,009 vest on 11/20/2027, 5,496 vest on 2/20/2028, 4,899 vest on 5/20/2028, 4,547 vest on 8/20/2028, 4,288 vest on 11/20/2028, and 3,892 vest on 2/20/2029, each subject to continued service to the Company as of each vesting date.
(2)	The vesting of the performance stock units ("PSUs") is subject to satisfying performance-based requirements, including the achievement of certain Bookings and Covenant Adjusted EBITDA margin targets by the Issuer for two successive one-year periods beginning January 1, 2026 and a relative total shareholder return target by the Issuer during a two-year performance period from January 1, 2026 and December 31, 2027. Subject to continued service by the Reporting Person on the vesting date, 100% of the PSUs eligible to vest based on performance will vest following certification of performance results by our Leadership Development and Compensation Committee after the end of the two-year performance period on December 31, 2027.
(3)	Represents that maximum number of shares of Class A Common Stock which may be issued under this award.
(4)	Each performance stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
Remarks: Exhibit 24 - Power of Attorney

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