Aug 21, 2026
1-day lag
Sale
Aug 20, 2026
Common Stock
Casey Joseph F
Insider
Director
10,000 shares @ $22.88
Indirect ownership
$228.8K
SEC Form 4
›
Aug 21, 2026
2-day lag
Award
Aug 19, 2026
Stock Appreciation Rights on Common Stock
Leonti Joseph R
Insider
EVP, Gen Counsel & Secretary
3,536 shares @ $0
Direct ownership
$0
SEC Form 4
›
Aug 21, 2026
1-day lag
Gift
Aug 20, 2026
Class B Common Stock on Class A Common Stock
Noonan Joseph T
Insider
Director
3,650 shares @ $0
Indirect ownership
$0
SEC Form 4
›
Same filing as the row above
Conversion
Aug 20, 2026
3,650 shares @ $0
Indirect ownership
$0
›
Same filing as the row above
Conversion
Aug 20, 2026
Class A Common Stock
3,650 shares @ $0
Indirect ownership
$0
›
Aug 21, 2026
1-day lag
Exercise
Aug 20, 2026
Option to Purchase Common Stock [2026 Grant] ...
Gifford David R.
Insider
Director
6,479 shares @ $0
Direct ownership
$0
SEC Form 4
›
Aug 21, 2026
2-day lag
Sale
Aug 19, 2026
Common Shares
Nielsen Iii Robert
Insider
Sr VP Operations
700 shares @ $170
Direct ownership
$119K
SEC Form 4
›
Aug 21, 2026
1-day lag
Sale
Aug 20, 2026
Common Stock
Hoff Brian Joseph
Insider
Chief Financial Officer
11,413 shares @ $26.01
Direct ownership
$296.82K
SEC Form 4
›
Aug 21, 2026
1-day lag
Sale
Aug 20, 2026
Common Stock
Posey Bruce K
Insider
Chief Legal Officer
96 shares @ $184.25
Direct ownership
$17.69K
SEC Form 4
›
Same filing as the row above
Sale
Aug 20, 2026
97 shares @ $181.99
Direct ownership
$17.65K
›
Same filing as the row above
Sale
Aug 20, 2026
280 shares @ $185.91
Direct ownership
$52.06K
›
Same filing as the row above
Sale
Aug 20, 2026
393 shares @ $183.58
Direct ownership
$72.15K
›
Aug 21, 2026
1-day lag
Exercise
Aug 20, 2026
Option to purchase Common Stock on Common Stock
Gates Greg
Insider
Group Managing Director
7,189 shares @ $0
Direct ownership
$0
SEC Form 4
›
Aug 21, 2026
1-day lag
Sale
Aug 20, 2026
Common Stock
Schreyer Edward Joseph
Insider
EVP, Chief Operating Officer
2,900 shares @ $73.75
Direct ownership
$213.88K
SEC Form 4
›
Aug 21, 2026
1-day lag
Buy
Aug 20, 2026
Common Stock
Goldstein Phillip
Insider
Director / Other
5,000 shares @ $5.34
Direct ownership
$26.7K
SEC Form 4
›
Same filing as the row above
Buy
Aug 19, 2026
10,000 shares @ $5.4
Direct ownership
$54K
›
Same filing as the row above
Buy
Aug 19, 2026
10,000 shares @ $5.37
Direct ownership
$53.7K
›
Aug 21, 2026
2-day lag
Exercise
Aug 19, 2026
Options to purchase common stock on Common Stock
Cyr William B.
Insider
Chief Executive Officer
7,981 shares @ $0
Indirect ownership
$0
SEC Form 4
›
Same filing as the row above
Exercise
Aug 19, 2026
4,620 shares @ $0
Indirect ownership
$0
›
Same filing as the row above
Exercise
Aug 19, 2026
62,369 shares @ $0
Direct ownership
$0
›
Same filing as the row above
Exercise
Aug 19, 2026
9,030 shares @ $0
Indirect ownership
$0
›
Aug 21, 2026
2-day lag
Exercise
Aug 19, 2026
Series C Common Stock
Robinson Jill L.
Insider
EVP, CFO & Treasurer
30,263 shares @ $27.18
Direct ownership
$822.55K
SEC Form 4
›
Same filing as the row above
Sale
Aug 19, 2026
30,263 shares @ $52.84
Direct ownership
$1.6M
›
Same filing as the row above
Exercise
Aug 19, 2026
Stock option (Right to Buy) - BATRK on Series C Common Stock
30,263 shares @ $0
Direct ownership
$0
›
Aug 21, 2026
1-day lag
Buy
Aug 20, 2026
Common Stock
Horizon Kinetics Asset Management...
Insider
10% owner
756 shares @ $2.95
Direct ownership
$2.23K
SEC Form 4
›