Jul 20, 2026
3-day lag
Buy
Jul 17, 2026
Common Stock
Horizon Kinetics Asset Management...
Insider
10% owner
756 shares @ $3.02
Direct ownership
$2.28K
SEC Form 4
›
Jul 20, 2026
3-day lag
Buy
Jul 17, 2026
Common Stock
Horizon Kinetics Asset Management...
Insider
10% owner
1 shares @ $420.15
Direct ownership
$420.15
SEC Form 4
›
Jul 20, 2026
3-day lag
Disposition
Jul 17, 2026
Common Stock
Bowling Kenneth R
Insider
Chief Financial Officer
9,788 shares @ $3.7
Direct ownership
$36.22K
SEC Form 4
›
Same filing as the row above
Exercise
Jul 17, 2026
Restricted Stock Units on Common Stock
18,884 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Exercise
Jul 17, 2026
Common Stock
18,884 shares @ $0
Direct ownership
$0
›
Jul 17, 2026
2-day lag
Award
Jul 16, 2026
Common Stock
Hong Chun K
Insider
President, CEO And Chairman
4,000,000 shares @ $0
Direct ownership
$0
SEC Form 4
›
Jul 17, 2026
Same-day filing
Exercise
Jul 17, 2026
Employee Stock Option (right to buy) on Class...
Seifert Thomas J
Insider
Chief Financial Officer
10,000 shares @ $0
Direct ownership
$0
SEC Form 4
›
Same filing as the row above
Exercise
Jul 17, 2026
Class B Common Stock on Class A Common Stock
10,000 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Sale
Jul 17, 2026
Class A Common Stock
200 shares @ $266.19
Direct ownership
$53.24K
›
Same filing as the row above
Sale
Jul 17, 2026
300 shares @ $281.29
Direct ownership
$84.39K
›
Same filing as the row above
Sale
Jul 17, 2026
1,201 shares @ $278.76
Direct ownership
$334.79K
›
Same filing as the row above
Sale
Jul 17, 2026
1,559 shares @ $275.79
Direct ownership
$429.95K
›
Same filing as the row above
Sale
Jul 17, 2026
100 shares @ $267.76
Direct ownership
$26.78K
›
Same filing as the row above
Sale
Jul 17, 2026
300 shares @ $270.5
Direct ownership
$81.15K
›
Same filing as the row above
Sale
Jul 17, 2026
3,299 shares @ $277.68
Direct ownership
$916.06K
›
Same filing as the row above
Sale
Jul 17, 2026
500 shares @ $274.6
Direct ownership
$137.3K
›
Same filing as the row above
Sale
Jul 17, 2026
800 shares @ $279.91
Direct ownership
$223.93K
›
Same filing as the row above
Sale
Jul 17, 2026
1,741 shares @ $276.63
Direct ownership
$481.62K
›
Same filing as the row above
Conversion
Jul 17, 2026
Class B Common Stock on Class A Common Stock
10,000 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Conversion
Jul 17, 2026
Class A Common Stock
10,000 shares
Direct ownership
Not reported
›
Same filing as the row above
Disposition
Jul 15, 2026
2,943 shares @ $281.75
Direct ownership
$829.19K
›
Jul 17, 2026
2-day lag
Disposition
Jul 15, 2026
Common Stock
Vecchione Kenneth
Insider
Chairman, President & CEO
539 shares @ $81.79
Direct ownership
$44.08K
SEC Form 4
›
Same filing as the row above
Exercise
Jul 15, 2026
Cash Settled Restricted Stock Units on Common Stock
437 shares
Direct ownership
Not reported
›
Same filing as the row above
Disposition
Jul 15, 2026
Common Stock
437 shares @ $81.79
Direct ownership
$35.74K
›
Same filing as the row above
Exercise
Jul 15, 2026
Cash Settled Restricted Stock Units on Common Stock
539 shares
Direct ownership
Not reported
›