SEC 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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1. Name and Address of Reporting Person* Index Ventures Growth III (Jersey), L.P. (Last) (First) (Middle) 5TH FLOOR, 44 ESPLANADE (Street) ST. HELIER Y9 JE1 3FG (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 03/02/2021	3. Issuer Name and Ticker or Trading Symbol Roblox Corp [ RBLX ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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	52,309,516	D(1)
Class A Common Stock	796,622	I	See Footnote(2)

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: 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

1. Name and Address of Reporting Person* Index Ventures Growth III (Jersey), L.P. (Last) (First) (Middle) 5TH FLOOR, 44 ESPLANADE (Street) ST. HELIER Y9 JE1 3FG (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Yucca (Jersey) SLP (Last) (First) (Middle) 44 ESPLANADE (Street) ST. HELIER Y9 JE1 3FG (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Index Venture Growth Associates III Ltd (Last) (First) (Middle) 5TH FLOOR, 44 ESPLANADE (Street) ST. HELIER Y9 JE1 3FG (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The shares are held by Index Ventures Growth III (Jersey), L.P. ("Index Growth III"). Index Venture Growth Associates III Limited ("IVGA III") is the managing general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any.

2. The shares are held by Yucca (Jersey) SLP ("Yucca"). Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the issuer (in this case, Index Growth III). IVGA III disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose

Remarks:

	Index Ventures Growth III (Jersey), LP, By: Index Venture Growth Associates III Limited, as Managing General Partner, By: /s/ Nigel Greenwood, Its: Director	03/02/2021
	Yucca (Jersey) SLP, By: EFG Trust Company Limited, as authorized signatory of Yucca (Jersey) SLP in its capacity as Administrator of the Index Ventures Growth III Co-Investment Scheme, By: /s/ Nigel Greenwood, Its: Authorized Signatory	03/02/2021
	Index Venture Growth Associates III Limited, By: /s/ Nigel Greenwood, Its: Director	03/02/2021
	** 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 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).
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