Sec Form 4 Filing - Altos Hybrid 2, L.P. @ Roblox Corp - 2021-11-24

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Altos Hybrid 2, L.P. 2. Issuer Name and Ticker or Trading Symbol Roblox Corp [ RBLX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2882 SAND HILL ROAD, SUITE 100, 3. Date of Earliest Transaction (MM/DD/YY) 11/24/2021 (Street) MENLO PARK, CA94025 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/24/2021 S 16,000 D $ 125.0734( 1 ) 327,650 D( 2 )( 3 )( 4 ) Class A Common Stock 11/25/2021 J( 5 ) 270 D $ 0 327,380 I See Footnotes( 2 )( 3 )( 4 ) Class A Common Stock 11/25/2021 J( 5 ) 103,132 D $ 0 19,595,485 I See Footnotes( 3 )( 4 )( 6 ) Class A Common Stock 11/25/2021 J( 5 ) 83,139 D $ 0 2,740,938 I See Footnotes( 3 )( 4 )( 7 ) Class A Common Stock 11/25/2021 J( 5 ) 100,260 D $ 0 13,647,326 I See Footnotes( 3 )( 4 )( 8 ) Class A Common Stock 11/25/2021 J( 5 ) 700,953 D $ 0 29,429,286 I See Footnotes( 3 )( 4 )( 9 ) Class A Common Stock 11/25/2021 J( 5 ) 336 D $ 0 612,950 I See Footnotes( 3 )( 4 )( 10 ) Class A Common Stock 11/25/2021 J( 5 ) 373,253 D $ 0 16,317,319 I See Footnotes( 3 )( 4 )( 11 ) Class A Common Stock 11/25/2021 J( 12 ) 21,832 A $ 0 62,168 I See Footnotes( 3 )( 4 )( 13 ) Class A Common Stock 111,112 I See Footnotes( 3 )( 4 )( 14 ) Class A Common Stock 11/25/2021 J( 15 ) 178,779 A $ 0 1,227,473 I See Footnotes( 16 ) Class A Common Stock 11/25/2021 J( 15 ) 260,425 A $ 0 408,061 I See Footnotes( 17 ) Class A Common Stock 36 I See Footnotes( 18 ) Class A Common Stock 36 I See Footnotes( 18 ) Class A Common Stock 11/25/2021 J( 15 ) 178,779 A $ 0 1,214,971 I See Footnotes( 19 ) Class A Common Stock 11/25/2021 J( 15 ) 260,425 A $ 0 408,061 I See Footnotes( 20 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Altos Hybrid 2, L.P. 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Hybrid 2 GP, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Roblox SPV 1, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Roblox SPV 2, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Management Partners IV, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Roblox SPV 2020, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Roblox 2020 Management Partners, LLC 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Ventures IV Liquidity Fund, L.P. 2882 SAND HILL ROAD SUITE 100 MENLO PARK, CA94025 X Altos Ventures IV Reserve Fund, L.P. 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Altos Ventures IV, L.P. 2882 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Signatures Anthony P. Lee, managing director of Altos Hybrid 2 GP, LLC, general partner of Altos Hybrid 2, L.P. 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director of Altos Hybrid 2 GP, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director of Altos Roblox Management Partners IV, LLC, managing member of Altos Roblox SPV 1, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director of Altos Roblox Management Partners IV, LLC, managing director Altos Roblox SPV 2, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing member of Altos Roblox Management Partners IV, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing member Altos Roblox 2020 Management Partners, LLC, managing member of Altos Roblox SPV 2020, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director of Altos Roblox 2020 Management Partners, LLC 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing member of Altos IV LR GP, LLC, general partner of Altos Ventures IV Liquidity Fund, L.P. 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director Altos IV LR GP, LLC, general partner of Altos Ventures IV Reserve Fund, L.P. 11/29/2021 Signature of Reporting Person Date Anthony P. Lee, managing director Altos Management Partners IV, LLC, general partner of Altos Ventures IV, L.P. 11/29/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $125.06 to $125.20, 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. ( 2 )These shares are held directly by Altos Hybrid 2, L.P. ( 3 )The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2GP, LLC; the general partner of Altos Hybrid 4, L.P. is Altos Hybrid 4 GP, LLC; the general partner of Altos Ventures IV, L.P. is Altos Management Partners IV, LLC and the general partner of Altos Ventures IV Liquidity Fund, L.P. and Altos Ventures IV Reserve Fund, L.P. is Altos IV LR GP, LLC (collectively, the General Partners). ( 4 )The Managing Directors or Managing Members of the General Partners and the Managers of the Altos Funds are Anthony P. Lee, Han Kim and Hodong Nam who exercise investment and voting control over the shares held by the Altos Funds. Anthony P. Lee, a director of the Issuer, files separate Section 16 reports. Han Kim and Hodong Nam disclaim beneficial ownership of the shares held by the Altos Funds except to the extent of their respective pecuriary interest therein, if any. ( 5 )Represents a pro-rata in kind distribution of the Issuer's Class A Common Stock by the Fund to its general partner. ( 6 )These shares are held directly by Altos Roblox SPV 1, LLC. ( 7 )These shares are held directly by Altos Roblox SPV 2, LLC. ( 8 )These shares are held directly by Altos Roblox SPV 2020, LLC. ( 9 )These shares are held directly by Altos Ventures IV Liquidity Fund, L.P. ( 10 )These shares are held directly by Altos Ventures IV Reserve Fund, L.P. ( 11 )These shares are held directly by Altos Ventures IV, L.P. ( 12 )Represents shares received in a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock from Altos Roblox SPV 1, LLC and Altos Roblox SPV 2020, LLC. ( 13 )These shares are held directly by Altos Ventures Management, Inc. ( 14 )These shares are held directly by Altos Hybrid 4, L.P. ( 15 )Represents shares received in a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock from Altos Ventures IV, L.P., Altos Ventures IV Liquidity Fund, L.P., Altos Roblox SPV 1, LLC, Roblox SPV 2, LLC, Altos Ventures IV Reserve Fund, L.P. and Altos Roblox SPV 2020, LLC. ( 16 )These shares are held directly by the Nam-MacGill 2006 Family Trust for which Hodong Nam serves as trustee. Mr. Nam disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. ( 17 )These shares are held directly by the Nam-MacGill Investments, LLC - Sub Fund No. 1 for which Hodong Nam serves as Managing Member. Mr. Nam disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. ( 18 )These shares are held directly by a trust for a minor child of Mr. Nam, for which Mr. Nam serves as a co-trustee. ( 19 )These shares are held directly by The Kim Living Trust for which Han Kim serves as trustee. Mr. Kim disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. ( 20 )These shares are held directly by the Han Family Investments, LLC - Sub Fund No. 1 for which Han Kim serves as Managing Member. Mr. Kim disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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).

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