RBLX

SEC source: 0001315098-24-000285 · wk-form4_1732317874.xml · derivative · entry 2

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,382

Underlying: Class A Common Stock · 1,191 shares

Expires not disclosed

F3 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Class A common stock.

F1 · kind: In connection with the vesting on November 20, 2024, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,191 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,191 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,191 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F1 · price: In connection with the vesting on November 20, 2024, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,191 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,191 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,191 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F4 · derivative.exercise_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

F4 · derivative.expiration_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

SEC source: 0001315098-24-000285 · wk-form4_1732317874.xml · nonDerivative · entry 1

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,423

F1 · kind: In connection with the vesting on November 20, 2024, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,191 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,191 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,191 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F1 · price: In connection with the vesting on November 20, 2024, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,191 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,191 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,191 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F1 · balance_after: In connection with the vesting on November 20, 2024, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,191 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,191 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,191 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F2 · balance_after: 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.

SEC source: 0001315098-24-000283 · wk-form4_1732317822.xml · nonDerivative · entry 2

Guthrie Michael · CIK 0001607880 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 331,187

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.62 to $52.25, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000283 · wk-form4_1732317822.xml · nonDerivative · entry 1

Guthrie Michael · CIK 0001607880 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 334,839

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.62 to $51.61, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000281 · wk-form4_1732317737.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,161

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.62 to $52.25, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000281 · wk-form4_1732317737.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,940

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.62 to $51.61, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000279 · wk-form4_1732317685.xml · nonDerivative · entry 2

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 628,646

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.62 to $52.25, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000279 · wk-form4_1732317685.xml · nonDerivative · entry 1

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 636,337

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.62 to $51.61, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000273 · wk-form4_1732317487.xml · nonDerivative · entry 2

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,295

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.62 to $52.25, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000273 · wk-form4_1732317487.xml · nonDerivative · entry 1

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,385

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs). This sale was to satisfy tax withholding obligations to be funded by a "sell to cover' transaction.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.62 to $51.61, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · derivative · entry 13

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,213,386

Underlying: Class A Common Stock · 166,666 shares

Expires 2027-10-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · derivative.exercise_date: 1/48th of the shares subject to the option vested on February 1, 2018, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 12

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 916,652

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.23 to $51.25, 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.

F10 · ownership.nature: These shares are held by the 2020 Jan Baszucki Gift Trust dtd 4/3/2020 of which the Bessemer Trust Company of Delaware, N.A. serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Gift Trust.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 11

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 916,764

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.23 to $51.20, 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.

F10 · ownership.nature: These shares are held by the 2020 Jan Baszucki Gift Trust dtd 4/3/2020 of which the Bessemer Trust Company of Delaware, N.A. serves as trustee. The spouse of the Reporting Person may be deemed to have beneficial ownership of the securities held by the Gift Trust.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 10

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 166,667

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.23 to $51.25, 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.

F9 · ownership.nature: These shares are held by the 2020 David Baszucki Gift Trust dtd 4/3/2020 for which the Bessemer Trust of Delaware, N.A. serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Gift Trust.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 9

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 166,779

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.23 to $51.20, 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.

F9 · ownership.nature: These shares are held by the 2020 David Baszucki Gift Trust dtd 4/3/2020 for which the Bessemer Trust of Delaware, N.A. serves as trustee. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Gift Trust.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 8

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 875

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.23 to $51.25, 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.

F8 · ownership.nature: These shares are held by The Baszucki Family Foundation. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Foundation.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 7

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,054

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.23 to $51.20, 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.

F8 · ownership.nature: These shares are held by The Baszucki Family Foundation. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Foundation.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 6

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 34,208

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F7 · kind: Represents a transfer of shares by the Freedom Revocable Trust dated February 28, 2017 as amended to The Baszucki Family Foundation.

F8 · ownership.nature: These shares are held by The Baszucki Family Foundation. The Reporting Person may be deemed to have beneficial ownership of the securities held by the Foundation.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 5

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,864,022

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F7 · kind: Represents a transfer of shares by the Freedom Revocable Trust dated February 28, 2017 as amended to The Baszucki Family Foundation.

F6 · ownership.nature: These shares are held directly by The Freedom Revocable Trust dated February 28, 2017 as amended, and for which the reporting person serves as trustee.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 4

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,897,355

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F5 · kind: The shares reported in this transaction represent a gift to a charitable organization.

F6 · ownership.nature: These shares are held directly by The Freedom Revocable Trust dated February 28, 2017 as amended, and for which the reporting person serves as trustee.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 3

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 135,755

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.23 to $51.25, 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.

F2 · balance_after: 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.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 2

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 136,652

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.23 to $51.20, 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.

F2 · balance_after: 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.

SEC source: 0001315098-24-000270 · wk-form4_1732146603.xml · nonDerivative · entry 1

Baszucki David · CIK 0001834991 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 302,421

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 29, 2023.

F2 · balance_after: 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.

SEC source: 0001415889-24-027131 · form4-11192024_121128.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 5,731,695

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.005 to $52.515, inclusive. The reporting person undertakes to provide to 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.

F3 · ownership.nature: These shares are held directly by Fallen Leaf Revocable Trust for which the reporting person serves as trustee. The reporting person disclaims beneficial ownership of the shares except to the extent if his pecuniary interest therein.

SEC source: 0001315098-24-000268 · wk-form4_1732067018.xml · derivative · entry 4

Guthrie Michael · CIK 0001607880 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,312,390

Underlying: Class A Common Stock · 40,000 shares

Expires 2028-02-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: 1/48th of the shares subject to the option vested on February 5, 2019, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001315098-24-000268 · wk-form4_1732067018.xml · nonDerivative · entry 2

Guthrie Michael · CIK 0001607880 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 352,844

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 18, 2023.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.69 to $52.52, 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.

F2 · balance_after: 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.

SEC source: 0001315098-24-000268 · wk-form4_1732067018.xml · nonDerivative · entry 1

Guthrie Michael · CIK 0001607880 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 392,844

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on November 18, 2023.

F2 · balance_after: 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.

SEC source: 0001315098-24-000266 · wk-form4_1731707568.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,641

F1 · shares: The shares reported in this transaction represent a gift to a Donor Advised Fund.

F2 · balance_after: 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.

SEC source: 0001315098-25-000003 · wk-form4a_1737499196.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Chief Legal Off. & Corp. Sec.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 106,190

F1 · shares: On November 13, 2024 the Reporting Person filed a Form 4 which inadvertently reported a gift of 3,000 shares from their direct holdings. This Form 4 is being filed to correct the gift of 3,000 shares that came from the San Domenico Trust dated August 12, 1999.

F2 · ownership.nature: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the reporting person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

SEC source: 0001415889-24-026734 · form4-11132024_101126.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Ventures Management, Inc. (AVMI).

F2 · ownership.nature: These shares are held directly by AVMI. The members of the Board of Directors of AVMI are Anthony P. Lee, Hodong Nam and Han Kim, who exercise voting and investment control over the shares. Each member of the Board of Directors disclaims beneficial ownership of the shares except to the extent of pecuniary interest therein.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 6

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 109,190

F6 · shares: Represents a transfer of shares by the Reporting Person to the San Domenico Trust dated August 12, 1999.

F7 · ownership.nature: These shares are held directly by the San Domenico Trust dated August 12, 1999 for which the reporting person serves as trustee. The Reporting Person may be deemed to have beneficial ownership over the securities held by the trust.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 5

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,641

F6 · shares: Represents a transfer of shares by the Reporting Person to the San Domenico Trust dated August 12, 1999.

F1 · balance_after: 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.

SEC source: 0001315098-24-000262 · wk-form4_1730941354.xml · nonDerivative · entry 1

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,467,338

F1 · kind: The shares reported in this transaction represent a gift to a Donor Advised Fund.

F2 · ownership.nature: 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.

SEC source: 0001315098-24-000264 · wk-form4_1730941494.xml · nonDerivative · entry 1

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,062

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 29, 2024.

F2 · balance_after: 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.

SEC source: 0001315098-24-000260 · wk-form4_1730936263.xml · nonDerivative · entry 2

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 674,259

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 15, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $52.28 to $52.90, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000260 · wk-form4_1730936263.xml · nonDerivative · entry 1

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 686,957

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 15, 2024.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.16 to $52.15, 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.

F3 · balance_after: 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.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · derivative · entry 11

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,528

Underlying: Class A Common Stock · 9,000 shares

Expires 2030-12-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F12 · derivative.exercise_date: 1/4th of the shares subject to the option became vested and exercisable on December 4, 2020, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 4

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 327,009

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 14, 2024.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $52.49 to $52.90, 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.

F1 · balance_after: 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.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 3

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 331,109

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 14, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $51.18 to $51.91, 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.

F1 · balance_after: 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.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 2

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 332,509

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 14, 2024.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $50.00 to $50.97, 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.

F1 · balance_after: 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.

SEC source: 0001315098-24-000258 · wk-form4_1730936177.xml · nonDerivative · entry 1

Reinstra Mark · CIK 0001835037 · Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 336,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: 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.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 10

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 672,281

F21 · kind: Represents shares of the Issuer's Class A Common Stock received by the reporting person in a pro-rata in kind distributions from Altos Roblox SPV 2020, LLC.

F22 · ownership.nature: These shares are held directly by Fallen Leaf LLC - Sub Fund No. 1 for which the reporting person serves as managing member. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 9

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 5,756,695

F19 · kind: Represents shares of the Issuer's Class A Common Stock received by the reporting person in the various pro-rata in kind distributions from Altos Ventures IV, LP, Altos Ventures IV Liquidity Fund, L.P., Altos Ventures IV Reserve Fund, L.P., Altos Roblox SPV 1, LLC, Altos Roblox SPV 2, LLC and Altos Hybrid 2, L.P.

F20 · ownership.nature: These shares are held directly by Fallen Leaf Revocable Trust for which the reporting person serves as trustee. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 8

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 134,700

F17 · kind: Represents shares of the Issuer's Class A Common Stock received by Altos Ventures Management Inc. (AVMI) in pro-rata in kind sub-distributions from Altos Roblox SPV 1, LLC and Altos Roblox SPV 2020, LLC.

F18 · ownership.nature: These shares are held directly by AVMI. The members of the Board of Directors of AVMI are Anthony P. Lee, Hodong Nam and Han Kim, who exercise voting and investment control over the shares. Each member of the Board of Directors disclaims beneficial ownership of the shares except to the extent of pecuniary interest therein.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 7

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 96,360

F15 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Hybrid 2, L.P.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F16 · ownership.nature: These shares are held directly by Altos Hybrid 2, L.P.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 6

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,615,183

F13 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Roblox SPV 2020, LLC to its partners.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F14 · ownership.nature: These shares are held directly by Altos Roblox SPV 2020, LLC.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 5

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 726,077

F11 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Roblox SPV 2, LLC to its partners.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F12 · ownership.nature: These shares are held directly by Altos Roblox SPV 2, LLC.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 4

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,114,511

F9 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Roblox SPV 1, LLC to its partners.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F10 · ownership.nature: These shares are held directly by Altos Roblox SPV 1, LLC.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 3

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 169,092

F7 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Ventures IV Reserve Fund, L.P. to its partners.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F8 · ownership.nature: These shares are held directly by Altos Ventures IV Reserve Fund, L.P.

SEC source: 0001104659-24-114783 · tm2427586-1_4seq1.xml · nonDerivative · entry 2

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 7,795,829

F5 · kind: Represents a pro-rata in kind distribution of shares of the Issuer's Class A Common Stock by Altos Ventures IV Liquidity Fund, L.P. to its partners.

F3 · ownership.nature: The general partner of Altos Hybrid 2, L.P. is Altos Hybrid 2 GP, 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; 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; the general partner of Altos Roblox SPV 1, LLC and Altos Roblox SPV 2, LLC is Altos Roblox Management Partners, LLC; and the general partner of Altos Roblox SPV 2020, LLC is Altos Roblox 2020 Management Partners, LLC (collectively, the General Partners).

F4 · ownership.nature: The reporting person is one of managing members of the general partners and managers of the respective entities that hold shares reported herein (the Altos Funds). The reporting person disclaims beneficial ownership of the shares held by the Altos Funds except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the reporting person is the beneficial owner of any of the shares held by the Altos Funds for Section 16 or any other purpose.

F6 · ownership.nature: These shares are held directly by Altos Ventures IV Liquidity Fund, L.P.