NET

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 8

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.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.00 to $138.33, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 7

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 255,235

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.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.00 to $137.99, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 6

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 262,294

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.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.00 to $136.93, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 5

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 263,842

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 $134.99 to $135.94, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 4

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 265,142

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 $133.93 to $134.86, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 3

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 266,242

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 $132.70 to $133.58, inclusive.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.xml · nonDerivative · entry 2

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 267,669

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 $131.35 to $132.22, 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 (9) to this Form 4.

SEC source: 0001477333-25-000012 · wk-form4_1738798759.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: 0001477333-25-000010 · wk-form4_1738796434.xml · derivative · entry 5

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 · 2,481 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: 0001477333-25-000010 · wk-form4_1738796434.xml · derivative · entry 4

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,156

Underlying: Class A Common Stock · 2,481 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: 0001477333-25-000010 · wk-form4_1738796434.xml · derivative · entry 3

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,019

Underlying: Class B Common Stock · 2,481 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.

F3 · 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: 0001477333-25-000010 · wk-form4_1738796434.xml · nonDerivative · entry 2

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.

SEC source: 0001477333-25-000010 · wk-form4_1738796434.xml · nonDerivative · entry 1

Kramer Douglas James · CIK 0001787168 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 178,169

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: 0001477333-25-000008 · wk-form4_1738276775.xml · nonDerivative · entry 1

Riley Janel · CIK 0001979391 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,785

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in sixteen equal quarterly installments beginning on May 15, 2025.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 31

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,401,380

Underlying: Class A Common Stock · 5,128 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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 30

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,512 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.

F12 · ownership.direct: Upon the conversion of the shares of Class B Common Stock to Class A Common Stock, the shares were re-registered and are now held directly by the Revocable Trust.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 29

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,512

Underlying: Class A Common Stock · 20,512 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: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 28

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,533,316

Underlying: Class B Common Stock · 20,512 shares

Expires 2027-08-07

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

F11 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 18

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 19,615

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 27, 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 $124.35 to $125.00, inclusive.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 17

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 19,728

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 27, 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 $123.33 to $124.31, inclusive.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 16

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 24,743

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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 15

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

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 27, 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 $124.35 to $125.00, inclusive.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 14

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 438

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 27, 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 $123.33 to $124.31, inclusive.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 13

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 20,512

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 Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 27

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,406,508

Underlying: Class A Common Stock · 5,128 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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 26

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,512 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.

F12 · ownership.direct: Upon the conversion of the shares of Class B Common Stock to Class A Common Stock, the shares were re-registered and are now held directly by the Revocable Trust.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 25

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,512

Underlying: Class A Common Stock · 20,512 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: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 24

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,553,828

Underlying: Class B Common Stock · 20,512 shares

Expires 2027-08-07

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

F11 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 12

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 19,615

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 27, 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 $123.05 to $123.66, inclusive.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 11

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 21,639

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 27, 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 $122.05 to $123.04, inclusive.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 10

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 24,743

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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 9

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

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 27, 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 $123.05 to $123.66, inclusive.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 8

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 8,424

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 27, 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 $122.05 to $123.04, inclusive.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 7

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 20,512

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 Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 23

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,411,636

Underlying: Class A Common Stock · 5,128 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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 22

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,512 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.

F12 · ownership.direct: Upon the conversion of the shares of Class B Common Stock to Class A Common Stock, the shares were re-registered and are now held directly by the Revocable Trust.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 21

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,512

Underlying: Class A Common Stock · 20,512 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: 0001104659-25-006071 · tm254421-1_4seq1.xml · derivative · entry 20

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,574,340

Underlying: Class B Common Stock · 20,512 shares

Expires 2027-08-07

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

F11 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 6

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 19,615

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 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 $120.88 to $120.935, inclusive.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 5

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 19,685

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 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 $119.88 to $120.87, 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) and (5) and (7) through (10) to this Form 4.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 4

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 24,743

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.

F6 · ownership.nature: The shares are held of record by The SZ 2021 Irrevocable Trust dated November 6, 2021, for which the reporting person serves as the appointer.

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 3

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

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 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 $120.88 to $120.935, inclusive.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 2

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 269

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 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 $119.88 to $120.87, 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) and (5) and (7) through (10) to this Form 4.

F2 · ownership.nature: The shares are held of record by The Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001104659-25-006071 · tm254421-1_4seq1.xml · nonDerivative · entry 1

Zatlyn Michelle · CIK 0001786951 · Director · President and COO

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 20,512

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 Sutherland/Zatlyn Revocable Trust dated November 17, 2016, for which the reporting person serves as co-trustee (the "Revocable Trust").

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · derivative · entry 13

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 · 31,136 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 12

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,061

Underlying: Class A Common Stock · 31,136 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 11

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 235,341

Underlying: Class B Common Stock · 31,136 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 7

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.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120 to $120.40, inclusive.

SEC source: 0001477333-25-000006 · wk-form4_1737496063.xml · nonDerivative · entry 6

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 284,005

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: 0001477333-25-000006 · wk-form4_1737496063.xml · derivative · entry 10

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 · 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.