RBLX

SEC source: 0001315098-25-000192 · wk-form4_1749502981.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,559

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 04, 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: 0001315098-25-000192 · wk-form4_1749502981.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 899,059

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 04, 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: 0001315098-25-000189 · wk-form4_1749157915.xml · nonDerivative · entry 1

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 468,486

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 · 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: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 6

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 289,108

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 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.32 to $88.58, inclusive.

F6 · ownership.nature: These shares are held directly by a trust for the daughter of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 5

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 289,208

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.32 to $88.31, 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 within the ranges set forth in footnotes (2) and (4) to this Form 4.

F6 · ownership.nature: These shares are held directly by a trust for the daughter of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 4

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 289,108

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 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.32 to $88.58, inclusive.

F5 · ownership.nature: These shares are held directly by a trust for the son of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 3

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 289,208

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.32 to $88.31, 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 within the ranges set forth in footnotes (2) and (4) to this Form 4.

F5 · ownership.nature: These shares are held directly by a trust for the son of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 2

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,784,630

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 15, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.32 to $88.58, inclusive.

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: 0001415889-25-015467 · form4-06032025_100632.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,785,963

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.32 to $88.31, 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 within the ranges set forth in footnotes (2) and (4) to this Form 4.

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: 0001315098-25-000187 · wk-form4_1749069727.xml · derivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,442,552

Underlying: Class A Common Stock · 57,448 shares

Expires 2030-01-23

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.

F10 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

SEC source: 0001315098-25-000187 · wk-form4_1749069727.xml · derivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 630,052 shares

Expires 2029-01-22

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.

F10 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

SEC source: 0001315098-25-000187 · wk-form4_1749069727.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: 389,476

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 04, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $88.61 to $88.94, 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 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: 0001315098-25-000187 · wk-form4_1749069727.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: 397,463

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 04, 2024.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $87.60 to $88.59, 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 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: 0001315098-25-000187 · wk-form4_1749069727.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: 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 04, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $88.61 to $88.94, 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: 0001315098-25-000187 · wk-form4_1749069727.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: 9,661

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 04, 2024.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $87.60 to $88.59, 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: 0001315098-25-000187 · wk-form4_1749069727.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: 138,375

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 04, 2024.

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: 0001315098-25-000187 · wk-form4_1749069727.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: 814,576

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 04, 2024.

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: 0001315098-25-000187 · wk-form4_1749069727.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: 952,076

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 04, 2024.

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: 0001315098-25-000187 · wk-form4_1749069727.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,559

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 04, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $88.61 to $88.94, 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: 0001315098-25-000187 · wk-form4_1749069727.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 255,493

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 04, 2024.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $87.60 to $88.59, 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: 0001315098-25-000187 · wk-form4_1749069727.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 899,059

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 04, 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: 0001315098-25-000187 · wk-form4_1749069727.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 841,611

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 04, 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: 0001315098-25-000183 · wk-form4_1749069522.xml · nonDerivative · entry 1

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 495,284

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 · 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: 0001315098-25-000185 · wk-form4_1749069641.xml · derivative · entry 6

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,925

Underlying: Class A Common Stock · 12,985 shares

Expires 2025-12-15

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.

F7 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

SEC source: 0001315098-25-000185 · wk-form4_1749069641.xml · nonDerivative · entry 4

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 986,913

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 28, 2024.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $89.56 to $89.99 , 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: 0001315098-25-000185 · wk-form4_1749069641.xml · nonDerivative · entry 3

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 993,057

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 28, 2024.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $88.54 to $89.53 , 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: 0001315098-25-000185 · wk-form4_1749069641.xml · nonDerivative · entry 2

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 997,598

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on May 28, 2024.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $87.51 to $88.39 , 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: 0001315098-25-000185 · wk-form4_1749069641.xml · nonDerivative · entry 1

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 999,898

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 May 28, 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: 0001315098-25-000166 · wk-form4_1748635594.xml · nonDerivative · entry 1

Wong Andrea L · CIK 0001490754 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,334

F1 · shares: 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. 1/4th of the RSUs shall vest on each of August 20, 2025, November 20, 2025 and February 20, 2026, and the remaining 1/4th of the RSUs shall vest on the earlier of (i) the day before the annual meeting of stockholders held in 2026 or (ii) May 29, 2026, subject to the Reporting Person continuing as a service provider through each vest date.

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: 0001315098-25-000170 · wk-form4_1748636538.xml · nonDerivative · entry 2

Mastantuono Gina · CIK 0001465391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,873

F3 · shares: 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. 1/4th of the RSUs shall vest on each of August 20, 2025, November 20, 2025 and February 20, 2026, and the remaining 1/4th of the RSUs shall vest on the earlier of (i) the day before the annual meeting of stockholders held in 2026 or (ii) May 29, 2026, subject to the Reporting Person continuing as a service provider through each vest date.

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: 0001315098-25-000174 · wk-form4_1748637380.xml · nonDerivative · entry 2

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,721

F3 · shares: 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. 1/4th of the RSUs shall vest on each of August 20, 2025, November 20, 2025 and February 20, 2026, and the remaining 1/4th of the RSUs shall vest on the earlier of (i) the day before the annual meeting of stockholders held in 2026 or (ii) May 29, 2026, subject to the Reporting Person continuing as a service provider through each vest date.

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: 0001315098-25-000172 · wk-form4_1748637073.xml · nonDerivative · entry 2

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,539

F3 · shares: 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. 1/4th of the RSUs shall vest on each of August 20, 2025, November 20, 2025 and February 20, 2026, and the remaining 1/4th of the RSUs shall vest on the earlier of (i) the day before the annual meeting of stockholders held in 2026 or (ii) May 29, 2026, subject to the Reporting Person continuing as a service provider through each vest date.

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: 0001315098-25-000168 · wk-form4_1748636251.xml · nonDerivative · entry 1

Carvalho Christopher · CIK 0001834989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 986,913

F1 · shares: 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. 1/4th of the RSUs shall vest on each of August 20, 2025, November 20, 2025 and February 20, 2026, and the remaining 1/4th of the RSUs shall vest on the earlier of (i) the day before the annual meeting of stockholders held in 2026 or (ii) May 29, 2026, subject to the Reporting Person continuing as a service provider through each vest date.

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: 0001315098-25-000180 · wk-form4_1748894536.xml · nonDerivative · entry 1

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,403

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on Feburary 27, 2025.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $84.24 to $85.20, 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.

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: 0001315098-25-000170 · wk-form4_1748636538.xml · derivative · entry 3

Mastantuono Gina · CIK 0001465391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,716

Underlying: Class A Common Stock · 1,835 shares

Expires not disclosed

F4 · 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F5 · derivative.exercise_date: The phantom stock becomes payable in two lump sum payments with 50% to become payable on March 1, 2028, subject to the Reporting Person continuing as a service provider through March 1, 2028, and 50% to become payable on a separation from service.

F5 · derivative.expiration_date: The phantom stock becomes payable in two lump sum payments with 50% to become payable on March 1, 2028, subject to the Reporting Person continuing as a service provider through March 1, 2028, and 50% to become payable on a separation from service.

SEC source: 0001315098-25-000170 · wk-form4_1748636538.xml · nonDerivative · entry 1

Mastantuono Gina · CIK 0001465391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,372

F1 · kind: In connection with the vesting on May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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: 0001315098-25-000174 · wk-form4_1748637380.xml · derivative · entry 7

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,716

Underlying: Class A Common Stock · 1,835 shares

Expires not disclosed

F8 · 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F9 · derivative.exercise_date: The phantom stock becomes payable in 10 equal annual installments starting on the date the Reporting Person ceases to be a service provider.

F9 · derivative.expiration_date: The phantom stock becomes payable in 10 equal annual installments starting on the date the Reporting Person ceases to be a service provider.

SEC source: 0001315098-25-000174 · wk-form4_1748637380.xml · nonDerivative · entry 1

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,220

F1 · kind: In connection with the vesting on May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,835 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,835 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,835 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: 0001315098-25-000172 · wk-form4_1748637073.xml · derivative · entry 3

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,767

Underlying: Class A Common Stock · 1,194 shares

Expires not disclosed

F4 · 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,194 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,194 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,194 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,194 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,194 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,194 shares of Class A common stock in exchange for an equal number of shares of phantom stock.

F5 · derivative.exercise_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

F5 · derivative.expiration_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

SEC source: 0001315098-25-000172 · wk-form4_1748637073.xml · nonDerivative · entry 1

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,038

F1 · kind: In connection with the vesting on May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,194 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,194 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,194 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,194 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,194 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,194 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 May 28, 2025, of restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,194 shares of Class A common stock was deferred, resulting in the reporting person's receipt instead of 1,194 shares of phantom stock pursuant to Roblox Corporation's deferred compensation plan. The reporting person is therefore reporting the disposition of 1,194 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: 0001315098-25-000161 · wk-form4_1748552280.xml · derivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,528

Underlying: Class A Common Stock · 50,000 shares

Expires 2029-12-09

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.

F9 · derivative.exercise_date: All of the shares subject to the option are fully vested and exercisable as of the date hereof.

SEC source: 0001315098-25-000161 · wk-form4_1748552280.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 389,489

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on February 20, 2025.

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $84.50 to $84.78, 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: 0001315098-25-000161 · wk-form4_1748552280.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 439,489

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: 0001315098-25-000157 · wk-form4_1748380788.xml · nonDerivative · entry 2

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 519,619

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 $82.28 to $82.85, 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: 0001315098-25-000157 · wk-form4_1748380788.xml · nonDerivative · entry 1

Bronstein Manuel · CIK 0001847776 · Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 529,789

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 $81.28 to $82.27, 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: 0001415889-25-014243 · form4-05222025_100525.xml · nonDerivative · entry 3

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 293,728

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.45 to $82.49, 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.

F5 · ownership.nature: These shares are held directly by a trust for the daughter of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-014243 · form4-05222025_100525.xml · nonDerivative · entry 2

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 293,728

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.45 to $82.49, 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.

F4 · ownership.nature: These shares are held directly by a trust for the son of the reporting person, for which the reporting person serves as co-trustee.

SEC source: 0001415889-25-014243 · form4-05222025_100525.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,841,390

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 15, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.45 to $82.49, 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: 0001315098-25-000149 · wk-form4_1747950599.xml · nonDerivative · entry 2

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,021

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 $81.08 to $81.38, 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: 0001315098-25-000149 · wk-form4_1747950599.xml · nonDerivative · entry 1

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 264,898

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 $80.07 to $81.06, 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.