Furber Sara

SEC source: 0001758730-26-000076 · wk-form4_1774382904.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,264

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F3 · balance_after: This amount includes (i) 3,716 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled on March 15, 2027, (ii) 6,573 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000076 · wk-form4_1774382904.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,878

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.31 to $125.77, 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 ranges set forth in this footnote.

F3 · balance_after: This amount includes (i) 3,716 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled on March 15, 2027, (ii) 6,573 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000062 · wk-form4_1773950810.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,789

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 3,716 unvested RSUs in respect of Class A Common Stock that are scheduled on March 15, 2027, (ii) 6,573 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000062 · wk-form4_1773950810.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,783

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 3,716 unvested RSUs in respect of Class A Common Stock that are scheduled on March 15, 2027, (ii) 6,573 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000042 · wk-form4_1773778294.xml · nonDerivative · entry 3

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,462

F4 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 3,716 unvested RSUs in respect of Class A Common Stock that are scheduled on March 15, 2027, (ii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000042 · wk-form4_1773778294.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,418

F3 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of RSUs in respect of the Class A Common Stock held by the reporting person.

F2 · balance_after: This amount includes (i) 3,716 unvested RSUs in respect of Class A Common Stock that are scheduled on March 15, 2027, (ii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000042 · wk-form4_1773778294.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,495

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2026.

F2 · balance_after: This amount includes (i) 3,716 unvested RSUs in respect of Class A Common Stock that are scheduled on March 15, 2027, (ii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028 and (iii) 11,975 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2027, March 15, 2028 and March 15, 2029, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-26-000020 · wk-form4_1770930701.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,520

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 3, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.44 to $115.78, 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 ranges set forth in this footnote.

F3 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001503180-26-000001 · wk-form4_1767661088.xml · nonDerivative · entry 5

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,648

F6 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain DERs. The DERs were granted in connection with previously awarded PRSUs, and settled in shares of Class A Common Stock in connection with the settlement of the PRSUs to which they relate.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date. This amount also includes the vested PSUs described in footnote #1 above, which will settle in shares of Class A Common Stock within 15 days of the vesting date.

SEC source: 0001503180-26-000001 · wk-form4_1767661088.xml · nonDerivative · entry 4

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,455

F5 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of performance-based restricted stock units ("PRSUs") in respect of the issuer's Class A Common Stock held by the reporting person.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date. This amount also includes the vested PSUs described in footnote #1 above, which will settle in shares of Class A Common Stock within 15 days of the vesting date.

SEC source: 0001503180-26-000001 · wk-form4_1767661088.xml · nonDerivative · entry 3

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,752

F4 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded PSUs, and settled in shares of Class A Common Stock in connection with the settlement of the PSUs to which they relate.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date. This amount also includes the vested PSUs described in footnote #1 above, which will settle in shares of Class A Common Stock within 15 days of the vesting date.

SEC source: 0001503180-26-000001 · wk-form4_1767661088.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,233

F3 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of the PSUs in respect of the Class A Common Stock held by the reporting person.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date. This amount also includes the vested PSUs described in footnote #1 above, which will settle in shares of Class A Common Stock within 15 days of the vesting date.

SEC source: 0001503180-26-000001 · wk-form4_1767661088.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,333

F1 · kind: The reported transaction reflects the acquisition of performance stock units ("PSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that were granted to the reporting person on March 15, 2023, subject to the achievement of certain performance goals in respect of calendar years 2023 through 2025. The level of achievement of those performance goals was determined on January 1, 2026.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iii) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date. This amount also includes the vested PSUs described in footnote #1 above, which will settle in shares of Class A Common Stock within 15 days of the vesting date.

SEC source: 0001758730-25-000099 · wk-form4_1744229038.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,401

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2024.

F2 · balance_after: This amount includes (i) 6,229 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on March 15, 2026, (ii) 33,881 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iv) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000097 · wk-form4_1743628536.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,187

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 6,229 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 33,881 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iv) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000097 · wk-form4_1743628536.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,172

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 6,229 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on March 15, 2026, (ii) 33,881 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iii) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (iv) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000080 · wk-form4_1742587507.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,020

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 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 $140.84 to $143.59, 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 ranges set forth in this footnote.

F3 · balance_after: This amount includes (i) 3,619 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that are scheduled to vest on March 31, 2025, (ii) 6,229 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on March 15, 2026, (iii) 33,881 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2026, (iv) 7,431 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (v) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case, subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000064 · wk-form4_1742342311.xml · nonDerivative · entry 3

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,159

F4 · kind: The reported transaction is an award of RSUs in respect of Class A Common Stock. Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 17, 2025.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 6,229 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2026, (iii) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, (iv) 7,431 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (v) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000064 · wk-form4_1742342311.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,299

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 6,229 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2026, (iii) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, (iv) 7,431 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (v) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000064 · wk-form4_1742342311.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,267

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 6,229 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2026, (iii) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, (iv) 7,431 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2026 and March 15, 2027, and (v) 9,860 unvested RSUs in respect of Class A Common Stock that are scheduled to vest in equal installments on March 17, 2026, March 17, 2027 and March 17, 2028, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000024 · wk-form4_1736370516.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,683

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 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 $131.34 to $133.21, 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 ranges set forth in this footnote.

F3 · balance_after: This amount includes (i) 3,619 unvested restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (iv) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (v) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000014 · wk-form4_1735945642.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,509

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (iv) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (v) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-25-000014 · wk-form4_1735945642.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,439

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (iv) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (v) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-24-000199 · form4.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,424

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 16, 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 $112.61 to $113.00, inclusive.

F3 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (iv) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (v) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vi) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-24-000199 · form4.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,999

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 16, 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 $111.61 to $112.59, 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 ranges set forth in footnotes 2 and 4 to this Form 4.

F3 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (iv) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (v) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vi) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000086 · wk-form4_1712088453.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,617

F3 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (iv) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (v) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vi) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000086 · wk-form4_1712088453.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,597

F1 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (iv) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (v) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vi) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000066 · wk-form4_1710888764.xml · nonDerivative · entry 3

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,123

F4 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (v) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (vi) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vii) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000066 · wk-form4_1710888764.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,071

F3 · kind: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of RSUs in respect of of Class A Common Stock held by the reporting person.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (v) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (vi) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vii) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000106 · wk-form4a_1715208741.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,589

F1 · security: On March 19, 2024, the reporting person filed a Form 4 that reported the gross number of shares to which the reporting person became entitled in settlement of certain dividend equivalent right (the "DER") proceeds, rather than the number of actual shares acquired net of withholding taxes, in connection with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock (the "Class A Common Stock") held by the reporting person. This Form 4/A reports the correct number of shares acquired and the correct number of shares held by the reporting person following the transaction that occurred on March 18, 2024 and all subsequent transactions as reported on Form 4 for the reporting person through the date of filing of this Form 4/A.

F2 · kind: Represents shares of Class A Common Stock acquired in connection with the settlement of DERs. The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F3 · balance_after: This amount includes (i) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (ii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iii) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (iv) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (v) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vi) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000066 · wk-form4_1710888764.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,589

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2024.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 4,577 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, (v) 12,459 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025 and March 15, 2026, (vi) 33,881 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2026, and (vii) 11,147 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2025, March 15, 2026 and March 15, 2027, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000039 · wk-form4_1707773145.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,442

F1 · shares: The reported transaction reflects the acquisition of performance-based restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that were granted to the reporting person on March 15, 2023, subject to the achievement of certain performance goals in respect of calendar year 2023. The level of achievement of those performance goals was determined on February 9, 2024. These RSUs remain unvested and are scheduled to vest on January 1, 2026, subject to the reporting person's continued employment through such date.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (v) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000008 · wk-form4_1704318811.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,561

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (v) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-24-000008 · wk-form4_1704318811.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,515

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (iv) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (v) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000118 · wf-form4_168089793465814.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,691

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2023.

F2 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.40 to $75.27, 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 ranges set forth in the footnote to this Form 4.

F3 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (iv) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (v) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vi) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000116 · wf-form4_168072567021293.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,901

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (iv) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (v) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vi) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000116 · wf-form4_168072567021293.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,851

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (ii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iii) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (iv) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (v) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vi) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000100 · wf-form4_167951875001677.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,363

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2023.

F2 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.67 to $75.70, 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 ranges set forth in this footnote.

F3 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vii) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000072 · wf-form4_167908350192939.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,940

F3 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 13, 2023.

F4 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.86 to $74.23, 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 ranges set forth in this footnote.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vii) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 of this Form 4, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000087 · wf-form4_167935350205781.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,612

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vii) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000087 · wf-form4_167935350205781.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,603

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vii) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024, March 15, 2025 and March 15, 2026, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000072 · wf-form4_167908350192939.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,764

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2023.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 9,155 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on March 15, 2024 and March 15, 2025, (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, and (vii) 18,688 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 of this Form 4, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0001758730-23-000060 · wf-form4_167761872795003.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,076

F1 · shares: The reported transaction reflects the acquisition of performance-based restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that were granted to the reporting person on March 15, 2022, subject to the achievement of certain performance goals in respect of calendar year 2022. The level of achievement of those performance goals was determined on February 24, 2023. These RSUs remain unvested and are scheduled to vest on January 1, 2025, subject to the reporting person's continued employment through such date.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, (v) 13,732 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2022, and (vi) 17,741 unvested RSUs in respect of Class A Common Stock that are scheduled to vest on January 1, 2025, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-22-000390 · form4.xml · nonDerivative · entry 2

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,335

F3 · shares: Represents shares of Class A Common Stock acquired in connection with the settlement of certain dividend equivalent rights (the "DERs"). The DERs were granted in connection with previously awarded RSUs, and settled in shares of Class A Common Stock in connection with the settlement of the RSUs to which they relate.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, and (v) 13,732 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2022, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-22-000390 · form4.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,319

F1 · shares: Represents shares withheld by the issuer to satisfy the tax withholding obligation associated with the settlement of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") held by the reporting person.

F2 · balance_after: This amount includes (i) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (ii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iii) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (iv) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, and (v) 13,732 unvested RSUs in respect of Class A Common Stock which are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2022, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-22-000332 · form4.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,861

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment through the applicable vesting date, these RSUs are scheduled to vest in equal installments on each of the first, second and third anniversaries of March 15, 2022.

F2 · balance_after: This amount includes (i) 19,350 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2022, (ii) 16,672 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (iii) 4,948 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iv) 3,619 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, (v) 8,540 unvested RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, and (vi) 13,732 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 to this Form 4, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-22-000235 · form4.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,129

F1 · shares: The reported transaction reflects the acquisition of performance-based restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock") that were granted to the reporting person on October 1, 2021, subject to the achievement of certain performance goals in respect of calendar year 2021. Those performance goals were deemed achieved at the maximum performance level on February 24, 2022. These RSUs remain unvested and are scheduled to vest on January 1, 2024, subject to the reporting person's continued employment through such date.

F2 · balance_after: This amount includes (i) 19,350 RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2022, (ii) 16,672 RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2023, (iii) 4,948 RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2024, (iv) 3,619 RSUs in respect of Class A Common Stock which are scheduled to vest on March 31, 2025, and (v) 8,540 RSUs in respect of Class A Common Stock which are scheduled to vest on January 1, 2024, in each case subject to the reporting person's continued employment through the applicable vesting date.

SEC source: 0000895345-21-000897 · form4.xml · nonDerivative · entry 1

Furber Sara · CIK 0001503180 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,589

F1 · kind: The reported transaction is an award of restricted stock units ("RSUs") in respect of the issuer's Class A common stock ("Class A Common Stock"). Subject to the reporting person's continued employment with the issuer through the applicable vesting date, (i) 19,350 of these RSUs are scheduled to vest on March 31, 2022, (ii) 16,672 of these RSUs are scheduled to vest on March 31, 2023, (iii) 4,948 of these RSUs are scheduled to vest on March 31, 2024 and (iv) 3,619 of these RSUs are scheduled to vest on March 31, 2025.

F2 · balance_after: This amount includes 44,589 unvested RSUs in respect of Class A Common Stock which are scheduled to vest as described in footnote 1 to this Form 4.