Jul 16, 2026
1-day lag
Other
Jul 15, 2026
Class A Common Stock
Robinson Kristen
Insider
Director
37,107 shares @ $0
Direct ownership
$0
SEC Form 4
›
Same filing as the row above
Sale
Jul 15, 2026
37,107 shares @ $25.05
Indirect ownership
$929.64K
›
Jul 16, 2026
1-day lag
Award
Jul 15, 2026
Common Shares
Regan Kenneth P
Insider
Chief Executive Officer
175.51 shares @ $24.22
Indirect ownership
$4.25K
SEC Form 4
›
Jul 16, 2026
1-day lag
Buy
Jul 15, 2026
Common Stock
Horizon Kinetics Asset Management...
Insider
10% owner
1 shares @ $414.13
Direct ownership
$414.13
SEC Form 4
›
Jul 16, 2026
1-day lag
Buy
Jul 15, 2026
Common Stock
Horizon Kinetics Asset Management...
Insider
10% owner
756 shares @ $3
Direct ownership
$2.27K
SEC Form 4
›
Jul 15, 2026
Same-day filing
Sale
Jul 15, 2026
Class A Common Stock
Zatlyn Michelle
Insider
President And Board Co Chair
7,201 shares @ $285.81
Indirect ownership
$2.06M
SEC Form 4
›
Same filing as the row above
Sale
Jul 15, 2026
3,257 shares @ $283.69
Indirect ownership
$923.97K
›
Same filing as the row above
Conversion
Jul 15, 2026
33,003 shares
Indirect ownership
Not reported
›
Same filing as the row above
Exercise
Jul 15, 2026
Class B Common Stock on Class A Common Stock
33,003 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Sale
Jul 15, 2026
Class A Common Stock
8,444 shares @ $286.66
Indirect ownership
$2.42M
›
Same filing as the row above
Sale
Jul 15, 2026
6,912 shares @ $289.07
Indirect ownership
$2M
›
Same filing as the row above
Conversion
Jul 15, 2026
Class B Common Stock on Class A Common Stock
33,003 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Exercise
Jul 15, 2026
Employee Stock Option (right to buy) on Class B Common Stock
33,003 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Sale
Jul 15, 2026
Class A Common Stock
1,185 shares @ $287.56
Indirect ownership
$340.76K
›
Same filing as the row above
Sale
Jul 15, 2026
5,248 shares @ $284.68
Indirect ownership
$1.49M
›
Same filing as the row above
Sale
Jul 15, 2026
756 shares @ $289.88
Indirect ownership
$219.15K
›
Same filing as the row above
Sale
Jul 14, 2026
1,294 shares @ $278.07
Indirect ownership
$359.82K
›
Same filing as the row above
Sale
Jul 14, 2026
5,093 shares @ $280.13
Indirect ownership
$1.43M
›
Same filing as the row above
Sale
Jul 14, 2026
1,702 shares @ $275.91
Indirect ownership
$469.61K
›
Same filing as the row above
Exercise
Jul 14, 2026
Class B Common Stock on Class A Common Stock
33,003 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Sale
Jul 14, 2026
Class A Common Stock
1,246 shares @ $267.17
Indirect ownership
$332.89K
›
Same filing as the row above
Conversion
Jul 14, 2026
33,003 shares
Indirect ownership
Not reported
›
Same filing as the row above
Exercise
Jul 14, 2026
Employee Stock Option (right to buy) on Class B Common Stock
33,003 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Sale
Jul 14, 2026
Class A Common Stock
1,626 shares @ $279.26
Indirect ownership
$454.07K
›
Same filing as the row above
Sale
Jul 14, 2026
1,292 shares @ $272.75
Indirect ownership
$352.39K
›