NET

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · derivative · entry 9

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,789

Underlying: Class A Common Stock · 33,864 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · derivative · entry 8

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 266,477

Underlying: Class B Common Stock · 33,864 shares

Expires 2027-07-25

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

F8 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

F1 · derivative.underlying: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 5

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 252,869

F2 · 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 27, 2023.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.07 to $120.55, inclusive.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 4

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 271,733

F2 · 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 27, 2023.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.84 to $119.79, inclusive.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 3

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 276,703

F2 · 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 27, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.82, inclusive.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 2

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 281,203

F2 · 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 27, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.84 to $117.82, 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 ranges set forth in footnotes (3) through (7) to this Form 4.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 1

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 286,733

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · derivative · entry 21

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,018,642

Underlying: Class A Common Stock · 52,384 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 17

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,762

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.55 to $115.79, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 16

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 14,729

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.49 to $115.485, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 15

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 32,915

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.49 to $114.41, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 14

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 35,411

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.49 to $113.47, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 13

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 47,837

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.485 to $112.48, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 12

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 63,146

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · derivative · entry 20

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,071,026

Underlying: Class A Common Stock · 52,384 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 11

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,762

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.24 to $117.81, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 10

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 15,711

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.205 to $117.18, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 9

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 17,811

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.03 to $116.015, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 8

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 25,177

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.03 to $115.00, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 7

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 44,992

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.03 to $114.02, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 6

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 63,146

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · derivative · entry 19

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,123,410

Underlying: Class A Common Stock · 52,384 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 5

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,762

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.56 to $115.61, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 4

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 11,006

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.56 to $115.55, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 3

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 22,120

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.555 to $114.55, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 2

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 45,799

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.555 to $113.55, 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 (4) through (17) to this Form 4.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-25-002143 · tm252692-1_4seq1.xml · nonDerivative · entry 1

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 63,146

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · derivative · entry 7

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,925

Underlying: Class A Common Stock · 15,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · derivative · entry 6

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,925

Underlying: Class A Common Stock · 15,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · derivative · entry 5

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 300,341

Underlying: Class B Common Stock · 15,000 shares

Expires 2027-07-25

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

F6 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

F1 · derivative.underlying: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · nonDerivative · entry 4

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 252,869

F2 · 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 27, 2023.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.22 to $114.75, inclusive.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · nonDerivative · entry 3

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 256,748

F2 · 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 27, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.22 to $114.18, inclusive.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · nonDerivative · entry 2

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 265,110

F2 · 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 27, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.21 to $113.2, 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 (3) through (5) to this Form 4.

SEC source: 0001477333-25-000004 · wk-form4_1736200760.xml · nonDerivative · entry 1

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 267,869

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · derivative · entry 7

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,675

Underlying: Class A Common Stock · 9,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · derivative · entry 6

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,675

Underlying: Class A Common Stock · 9,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · derivative · entry 5

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,500

Underlying: Class B Common Stock · 9,000 shares

Expires 2027-07-25

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

F6 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

F1 · derivative.underlying: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · nonDerivative · entry 4

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 175,688

F2 · 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 29, 2023.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.5 to $113.8, inclusive.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · nonDerivative · entry 3

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 177,205

F2 · 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 29, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.32 to $113.29, inclusive.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · nonDerivative · entry 2

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 180,762

F2 · 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 29, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.22 to $112.19, 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 ranges set forth in footnotes (3) through (5) to this Form 4.

SEC source: 0001477333-25-000002 · wk-form4_1736199726.xml · nonDerivative · entry 1

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 184,688

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · derivative · entry 26

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,175,794

Underlying: Class A Common Stock · 52,384 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 22

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 10,762

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F22 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.16 to $113.34, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 21

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 12,467

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.16 to $113.15, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 20

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 39,162

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F20 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.16 to $112.155, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 19

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 54,825

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F19 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.16 to $111.15, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 18

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 57,026

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.16 to $110.105, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 17

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 62,265

F3 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2023.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.115 to $108.84, inclusive.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · nonDerivative · entry 16

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 63,146

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

F1 · price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").

SEC source: 0001104659-24-130953 · tm2431681-1_4seq1.xml · derivative · entry 25

Prince Matthew · CIK 0001786925 · Director · CEO & Chair of the Board · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,228,178

Underlying: Class A Common Stock · 52,384 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The shares are held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which the reporting person serves as trustee (the "Revocable Trust").