RBLX

SEC source: 0001315098-25-000356 · wk-form4_1766178317.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 964,650

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on August 06, 2025.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $85.55 to $86.48, 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 · 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: 0001315098-25-000356 · wk-form4_1766178317.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 968,504

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on August 06, 2025.

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $84.55 to $85.54, 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 · 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: 0001315098-25-000356 · wk-form4_1766178317.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 976,366

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on August 06, 2025.

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $83.55 to $84.54, 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 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 12

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 261,388

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.66 to $94.15, inclusive.

F8 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 11

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 261,697

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.66 to $93.65, inclusive.

F8 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 10

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 263,410

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 $91.65 to $92.62, inclusive.

F8 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 9

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 265,463

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 $90.65 to $91.64, 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), (4), (5) and (6) to this Form 4.

F8 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 8

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 261,388

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.66 to $94.15, inclusive.

F7 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 7

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnotes

Disclosed balance after: 261,697

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.66 to $93.65, inclusive.

F7 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 6

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 263,410

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 $91.65 to $92.62, inclusive.

F7 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 5

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 265,463

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 $90.65 to $91.64, 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), (4), (5) and (6) to this Form 4.

F7 · 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 4

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,314,071

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.66 to $94.15, 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 3

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,317,915

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.66 to $93.65, 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 2

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,338,921

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 $91.65 to $92.62, 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: 0001834988-25-000011 · form4-12032025_121257.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 6,364,121

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 $90.65 to $91.64, 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), (4), (5) and (6) 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: 0001834988-25-000009 · form4-11242025_091141.xml · nonDerivative · entry 1

Lee Anthony P · CIK 0001834988 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,370,831

F1 · 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: 0001315098-25-000349 · wk-form4_1764034432.xml · nonDerivative · entry 5

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,043

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.

F9 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.87 to $97.38, 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: 0001315098-25-000349 · wk-form4_1764034432.xml · nonDerivative · entry 4

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,559

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.

F8 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.83 to $96.82, 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: 0001315098-25-000349 · wk-form4_1764034432.xml · nonDerivative · entry 3

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,471

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.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.82 to $95.80, 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: 0001315098-25-000349 · wk-form4_1764034432.xml · nonDerivative · entry 2

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,483

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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $93.82 to $94.81, 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: 0001315098-25-000349 · wk-form4_1764034432.xml · nonDerivative · entry 1

Chakravarthy Arvind · CIK 0002015855 · Chief People & Systems Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,081

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 $92.82 to $93.80, 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.

F4 · balance_after: Includes 132 shares acquired by the Reporting Person on August 25, 2025 pursuant to the Issuer's 2020 Employee Stock Purchase Plan.

F5 · balance_after: The reported amount reflects the transfer of 20,237 shares transferred by the Reporting Person to the Jain Chakravarthy Living Trust on June 13, 2025, and an additional 20,409 shares transferred to the same trust on August 29, 2025. The Reporting Person serves as trustee of the trust.

SEC source: 0001315098-25-000343 · wk-form4_1764034358.xml · nonDerivative · entry 4

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,452

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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.38 to $97.10, 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: 0001315098-25-000343 · wk-form4_1764034358.xml · nonDerivative · entry 3

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,011

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.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.35 to $96.23, 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: 0001315098-25-000343 · wk-form4_1764034358.xml · nonDerivative · entry 2

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,833

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 $94.32 to $95.21, 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: 0001315098-25-000343 · wk-form4_1764034358.xml · nonDerivative · entry 1

Rawlings Amy Marie · CIK 0001875017 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,413

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 $93.22 to $94.19, 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: 0001315098-25-000353 · wk-form4_1764034553.xml · derivative · entry 2

Mastantuono Gina · CIK 0001465391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Class A Common Stock · 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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: 0001315098-25-000353 · wk-form4_1764034553.xml · nonDerivative · entry 1

Mastantuono Gina · CIK 0001465391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,623

F1 · kind: In connection with the vesting on November 20, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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: 0001315098-25-000354 · wk-form4_1764034576.xml · derivative · entry 6

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Class A Common Stock · 1,125 shares

Expires not disclosed

F7 · 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 shares of Class A Common Stock in exchange for an equal number of shares of phantom stock.

F8 · derivative.exercise_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

F8 · derivative.expiration_date: The phantom stock becomes payable in one lump sum payment upon separation from service.

SEC source: 0001315098-25-000354 · wk-form4_1764034576.xml · nonDerivative · entry 1

Baszucki Gregory · CIK 0001834990 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,471

F1 · kind: In connection with the vesting on November 20, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001315098-25-000351 · wk-form4_1764034461.xml · derivative · entry 2

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Class A Common Stock · 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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: 0001315098-25-000351 · wk-form4_1764034461.xml · nonDerivative · entry 1

KILAR JASON · CIK 0001239764 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,289

F1 · kind: In connection with the vesting on November 20, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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, 2025, of Restricted Stock Units ("RSUs") previously granted to the Reporting Person, the Reporting Person's receipt of 1,125 shares of Class A Common Stock was deferred, resulting in the Reporting Person's receipt instead of 1,125 shares of phantom stock pursuant to the Issuer's deferred compensation plan. The Reporting Person is therefore reporting the disposition of 1,125 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 6

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,775

F3 · 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.

F8 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $97.05 to $97.49, 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 5

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 240,435

F3 · 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.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.05 to $97.04, 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 4

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 244,030

F3 · 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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.01 to $96.00, 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 3

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 248,916

F3 · 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.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.01 to $94.99, 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 2

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,442

F3 · 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 $92.94 to $93.93, 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: 0001315098-25-000345 · wk-form4_1764034383.xml · nonDerivative · entry 1

Kaufman Matthew D · CIK 0002044191 · Chief Safety Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,642

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 01, 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: 0001315098-25-000344 · wk-form4_1764034370.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,574

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.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $97.21 to $97.30, 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: 0001315098-25-000344 · wk-form4_1764034370.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,774

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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.18 to $97.08, 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: 0001315098-25-000344 · wk-form4_1764034370.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,084

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.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.17 to $96.15, 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: 0001315098-25-000344 · wk-form4_1764034370.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,634

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 $94.02 to $95.01, 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: 0001315098-25-000344 · wk-form4_1764034370.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 199,101

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 $92.97 to $93.94, 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.

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: 0001565390-25-000005 · wk-form4_1764034364.xml · nonDerivative · entry 5

CHOPRA NAVEEN K. · CIK 0001565390 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 337,036

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.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.72 to $97.38, 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001565390-25-000005 · wk-form4_1764034364.xml · nonDerivative · entry 4

CHOPRA NAVEEN K. · CIK 0001565390 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,846

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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.72 to $96.71, 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001565390-25-000005 · wk-form4_1764034364.xml · nonDerivative · entry 3

CHOPRA NAVEEN K. · CIK 0001565390 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 344,474

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.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.72 to $95.71, 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001565390-25-000005 · wk-form4_1764034364.xml · nonDerivative · entry 2

CHOPRA NAVEEN K. · CIK 0001565390 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,116

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 $93.72 to $94.71, 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001565390-25-000005 · wk-form4_1764034364.xml · nonDerivative · entry 1

CHOPRA NAVEEN K. · CIK 0001565390 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 353,309

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 $92.71 to $93.70, 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 RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 370,532

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.

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.87 to $97.49, 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: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,662

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.

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.83 to $96.77, 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: 0001315098-25-000342 · wk-form4_1764034351.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,622

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.

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.82 to $95.79, 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.