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SEC CIK
0001477333
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827

Last 12 months

Inside the activity.

0 purchase rows · 835 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025083
Dec 2025049
Jan 2026062
Feb 2026066
Mar 2026062
Apr 2026052
May 2026069
Jun 2026081
Jul 2026092
Aug 20260164
Sep 2026034
Oct 2026021

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
May 26, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 2,711 $211.20 $572,575.94
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 11

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 59,403

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 February 14, 2025.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.71 to $211.61, 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").

Read SEC document
May 26, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 6,350 $210.25 $1,335,084.96
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 10

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 62,114

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 February 14, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.69 to $210.62, 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").

Read SEC document
May 26, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 4,602 $209.30 $963,205.04
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 9

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 68,464

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 February 14, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.69 to $209.68, 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").

Read SEC document
May 26, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
ConversionClass A Common Stock 25,641 Not disclosed Not disclosed
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 8

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 73,066

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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
ConversionClass B Common Stock · Derivative 25,641 $0.00 $0.00
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · derivative · entry 28

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 25,641 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.

F25 · 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 of record by the Revocable Trust.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
Exercise / conversionClass B Common Stock · Derivative 25,641 $0.00 $0.00
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · derivative · entry 27

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,641

Underlying: Class A Common Stock · 25,641 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.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 25,641 $0.00 Strike: $2.04 $0.00
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · derivative · entry 26

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,415,377

Underlying: Class B Common Stock · 25,641 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.

F24 · derivative.exercise_date: Shares subject to the option are fully vested and immediately exercisable.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 314 $216.24 $67,898.45
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 7

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 47,425

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 February 14, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $216.13 to $216.54, 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 8,273 $215.46 $1,782,518.78
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 6

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 47,739

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 February 14, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $215.115 to $216.06, 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 11,415 $214.62 $2,449,928.39
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 5

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 56,012

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 February 14, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $214.115 to $215.11, 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 6,367 $213.68 $1,360,494.19
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 4

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 67,427

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 February 14, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.10 to $214.085, 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 3,150 $212.49 $669,353.27
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 3

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 73,794

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 February 14, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.07 to $213.03, 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
SaleClass A Common Stock 5,561 $211.54 $1,176,356.14
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 2

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 76,944

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 February 14, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.07 to $212.05, 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 (22) 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").

Read SEC document
May 22, 2026 Filed May 27, 2026 22:34 UTC
Zatlyn MichelleDirector · President and Board Co-Chair
ConversionClass A Common Stock 25,641 Not disclosed Not disclosed
Disclosure

SEC source: 0001786951-26-000008 · wk-form4_1779921237.xml · nonDerivative · entry 1

Zatlyn Michelle · CIK 0001786951 · Director · President and Board Co-Chair

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 82,505

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").

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass B Common Stock · Derivative 52,384 $0.00 $0.00
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · derivative · entry 31

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 4,427,769

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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 888 $213.18 $189,307.75
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 27

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 25,550

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 February 11, 2025.

F27 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.83 to $213.645, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 10,845 $212.19 $2,301,232.00
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 26

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 26,438

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 February 11, 2025.

F26 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.825 to $212.795, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 13,362 $211.33 $2,823,811.50
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 25

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 37,283

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 February 11, 2025.

F25 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.825 to $211.82, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 15,667 $210.38 $3,295,973.33
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 24

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 50,645

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 February 11, 2025.

F24 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.815 to $210.805, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 5,568 $209.31 $1,165,437.52
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 23

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 66,312

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 February 11, 2025.

F23 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.81 to $209.805, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 4,227 $208.31 $880,539.47
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 22

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 71,880

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 February 11, 2025.

F22 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.81 to $208.78, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 1,827 $207.40 $378,921.81
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 21

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 76,107

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 February 11, 2025.

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.77 to $207.755, 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.

Read SEC document
May 21, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass A Common Stock 52,384 Not disclosed Not disclosed
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 20

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 77,934

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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass B Common Stock · Derivative 52,384 $0.00 $0.00
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · derivative · entry 30

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 4,480,153

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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 77 $210.72 $16,225.54
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 19

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 25,550

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 February 11, 2025.

F20 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $210.63 to $210.815, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 7,085 $209.83 $1,486,673.18
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 18

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 25,627

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 February 11, 2025.

F19 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.51 to $210.49, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 11,147 $209.00 $2,329,711.85
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 17

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 32,712

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 February 11, 2025.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.51 to $209.505, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 15,825 $207.94 $3,290,615.69
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 16

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 43,859

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 February 11, 2025.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.51 to $208.505, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 8,576 $207.09 $1,776,011.56
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 15

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 59,684

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 February 11, 2025.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.51 to $207.50, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 2,545 $206.17 $524,706.98
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 14

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 68,260

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 February 11, 2025.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.505 to $206.475, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 1,651 $204.82 $338,150.89
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 13

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 70,805

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 February 11, 2025.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.48 to $205.47, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 3,602 $203.91 $734,466.53
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 12

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 72,456

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 February 11, 2025.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.43 to $204.33, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 1,876 $202.96 $380,760.46
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 11

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 76,058

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 February 11, 2025.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.41 to $203.355, 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass A Common Stock 52,384 Not disclosed Not disclosed
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 10

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 77,934

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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass B Common Stock · Derivative 52,384 $0.00 $0.00
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · derivative · entry 29

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 4,532,537

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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 2,023 $207.79 $420,350.47
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 9

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 25,550

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 February 11, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.575 to $208.265, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 6,485 $206.90 $1,341,765.31
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 8

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 27,573

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 February 11, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.56 to $207.44, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 6,127 $206.04 $1,262,404.63
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 7

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 34,058

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 February 11, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.56 to $206.55, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 6,160 $205.05 $1,263,091.37
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 6

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 40,185

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 February 11, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.55 to $205.535, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 6,923 $203.98 $1,412,138.31
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 5

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 46,345

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 February 11, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.55 to $204.545, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 13,694 $203.04 $2,780,388.68
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 4

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 53,268

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 February 11, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.545 to $203.54, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 7,910 $202.06 $1,598,291.44
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 3

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 66,962

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 February 11, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.54 to $202.535, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
SaleClass A Common Stock 3,062 $201.17 $615,985.30
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 2

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 74,872

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 February 11, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.505 to $201.49, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (4) through (27) 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 22:38 UTC
Prince MatthewDirector · CEO & Board Co-Chair · 10% owner
ConversionClass A Common Stock 52,384 Not disclosed Not disclosed
Disclosure

SEC source: 0001786925-26-000021 · wk-form4_1779403101.xml · nonDerivative · entry 1

Prince Matthew · CIK 0001786925 · Director · CEO & Board Co-Chair · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 77,934

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.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
ConversionClass B Common Stock · Derivative 10,000 $0.00 $0.00
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.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 · 10,000 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.

F2 · 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.

F2 · 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.

F2 · 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.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
Exercise / conversionClass B Common Stock · Derivative 10,000 $0.00 $0.00
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.xml · derivative · entry 12

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,925

Underlying: Class A Common Stock · 10,000 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.

F2 · 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.

F2 · 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.

F2 · 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.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 10,000 $0.00 Strike: $2.04 $0.00
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.xml · derivative · entry 11

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Class B Common Stock · 10,000 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.

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

F2 · 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.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
SaleClass A Common Stock 270 $203.02 $54,814.29
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.xml · nonDerivative · entry 10

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,014

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, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.87 to $203.18, inclusive.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
SaleClass A Common Stock 2,000 $202.17 $404,333.40
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.xml · nonDerivative · entry 9

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,284

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, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.81 to $202.72, inclusive.

Read SEC document
May 18, 2026 Filed May 19, 2026 21:55 UTC
SEIFERT THOMAS JChief Financial Officer
SaleClass A Common Stock 3,570 $201.21 $718,310.78
Disclosure

SEC source: 0001473289-26-000014 · wk-form4_1779227728.xml · nonDerivative · entry 8

SEIFERT THOMAS J · CIK 0001473289 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 214,284

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, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.70 to $201.66, inclusive.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.