Insider trading

Period: 12 months Role: 10% owners × Minimum amount: $1M × + Add filter Clear all
Views & alerts

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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

2,083 decisions over 12 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

2,083 decisions over 12 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

2,083 decisions over 12 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

2,083 decisions over 12 months Remove this filter
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
2,083 decisions over 12 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
2,083 decisions over 12 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

2,083 decisions over 12 months
Stock
Insider
Type ?
Why it stands out
29 Sep 2026
Conifer Management, L.L.C. 10% owner · indirect
Bought 10×
$16.44M 68,648 at 239.48
3.9%
29 Sep 2026
Bought on a plan
$7.30M 216,818 at 33.67
0.2%
Bought on a plan
29 Sep 2026
Pale Fire Capital SE 10% owner · indirect
Bought
$4.61M 1,000,000 at 4.61
3.6%
29 Sep 2026
Bought
$2.00M 2,000,000 at 1.00
500%
First buy in 3+ yrs
29 Sep 2026
Sold on a plan 4×
$1.62M 10,000 at 161.62
1.4%
Planned (10b5-1)
29 Sep 2026
SCULLY WILLIAM P 10% owner · indirect
Bought
$1.41M 162,000 at 8.68
312%
Largest buy in 3 yrs
29 Sep 2026
Japan Post Holdings Co., Ltd. 10% owner · indirect
Sold on a plan 2×
$1.37M 12,100 at 113.36
0.0%
Planned (10b5-1)
29 Sep 2026
BERKSHIRE HATHAWAY INC 10% owner · indirect
Bought
$1.01M 12,289 at 81.95
0.0%
28 Sep 2026
Conifer Management, L.L.C. 10% owner · indirect
Bought 11×
$32.51M 133,472 at 243.58
8.1%
Largest buy in 3 yrs
28 Sep 2026
Bought on a plan 2×
$27.52M 805,782 at 34.15
0.6%
Bought on a plan
28 Sep 2026
DUFFIELD DAVID A 10% owner
Sold on a plan 9×
$18.66M 98,971 at 188.55
48.5%
Planned (10b5-1)
28 Sep 2026
BX Buzz ML-1 Holdco L.P. 10% owner · indirect
Sold at will 7×
$11.07M 3,767,776 at 2.94
99.6%
Sold half or more
28 Sep 2026
BCP Buzz Holdings L.P. 10% owner · indirect
Sold at will 7×
$11.07M 3,767,776 at 2.94
99.6%
Sold half or more
28 Sep 2026
BTOA - NQ L.L.C. 10% owner · indirect
Sold at will 7×
$11.07M 3,767,776 at 2.94
99.6%
Sold half or more
28 Sep 2026
Sold at will 7×
$11.07M 3,767,776 at 2.94
99.6%
Sold half or more
28 Sep 2026
BX Buzz ML-1 GP LLC 10% owner · indirect
Sold at will 7×
$11.07M 3,767,776 at 2.94
99.6%
Sold half or more
28 Sep 2026
Grafiti Group LLC 10% owner
Sold on a plan
$4.61M 4,012,678 at 1.15
47.8%
Planned (10b5-1)
28 Sep 2026
Sold at will 2×
$2.57M 42,491 at 60.43
3.1%
Not planned
28 Sep 2026
Sold on a plan 3×
$1.65M 10,000 at 165.11
1.4%
Planned (10b5-1)
28 Sep 2026
Japan Post Holdings Co., Ltd. 10% owner · indirect
Sold on a plan 2×
$1.36M 12,000 at 113.63
0.0%
Planned (10b5-1)
25 Sep 2026
BERKSHIRE HATHAWAY INC 10% owner · indirect
Bought 2×
$39.36M 485,102 at 81.15
1.9%
25 Sep 2026
Conifer Management, L.L.C. 10% owner · indirect
Bought 7×
$12.74M 50,532 at 252.06
3.2%
25 Sep 2026
Pale Fire Capital SE 10% owner · indirect
Bought
$6.75M 1,332,742 at 5.06
5.0%
First buy on file
25 Sep 2026
Bought on a plan
$6.17M 178,840 at 34.52
0.1%
Bought on a plan
25 Sep 2026
Sold at will 2×
$2.10M 34,622 at 60.79
2.5%
Not planned
25 Sep 2026
Blackstone Holdings I L.P. 10% owner · indirect
Sold at will
$2.04M 124,600 at 16.40
100%
Sold half or more
25 Sep 2026
3D Investment Partners Pte. Ltd. Formerly 10% Owner · indirect
Sold at will
$1.73M 640,000 at 2.70
11.6%
Not planned
25 Sep 2026
Sold on a plan 2×
$1.67M 10,000 at 166.61
1.4%
Planned (10b5-1)
25 Sep 2026
Japan Post Holdings Co., Ltd. 10% owner · indirect
Sold on a plan 2×
$1.37M 12,100 at 113.56
0.0%
Planned (10b5-1)
25 Sep 2026
MARRIOTT J W JR 10% owner · indirect
Sold at will
$1.23M 3,500 at 352.09
1.2%
Not planned
24 Sep 2026
IGNITE AGGREGATOR LP 10% owner · indirect
Sold at will
$92.50M 10,000,000 at 9.25
8.9%
Not planned
24 Sep 2026
Sold at will
$92.50M 10,000,000 at 9.25
8.9%
Not planned
24 Sep 2026
BERKSHIRE HATHAWAY INC 10% owner · indirect
Bought 2×
$51.85M 640,930 at 80.90
2.6%
24 Sep 2026
Conifer Management, L.L.C. 10% owner · indirect
Bought 6×
$18.79M 75,756 at 248.00
5.0%
24 Sep 2026
Bought on a plan
$8.76M 258,878 at 33.85
0.2%
Bought on a plan
24 Sep 2026
MALONE JOHN C 10% owner
Bought
$2.90M 28,333 at 102.53
1.2%
First buy on file
24 Sep 2026
MALONE JOHN C 10% owner
Sold at will
$2.90M 29,593 at 98.16
0.9%
Not planned
24 Sep 2026
Sold at will 2×
$2.07M 34,622 at 59.76
2.5%
Not planned
24 Sep 2026
Sold on a plan 5×
$1.68M 10,000 at 167.86
1.4%
Planned (10b5-1)
24 Sep 2026
Japan Post Holdings Co., Ltd. 10% owner · indirect
Sold on a plan 2×
$1.39M 12,100 at 114.64
0.0%
Planned (10b5-1)
24 Sep 2026
GOLDENTREE ASSET MANAGEMENT LP 10% owner · indirect
Bought
$1.15M 80,000 at 14.35
0.7%
23 Sep 2026
Wood River Capital, LLC Former 10% Owner
Sold at will
$58.09M 12,280,426 at 4.73
100%
Sold half or more
23 Sep 2026
BERKSHIRE HATHAWAY INC 10% owner · indirect
Bought
$43.52M 532,993 at 81.65
2.2%
23 Sep 2026
DUFFIELD DAVID A 10% owner
Sold on a plan 6×
$19.14M 99,613 at 192.14
48.7%
Planned (10b5-1)
23 Sep 2026
Bought on a plan
$7.48M 219,273 at 34.13
0.2%
Bought on a plan
23 Sep 2026
Sold on a plan 3×
$1.69M 10,000 at 168.51
1.3%
Planned (10b5-1)
23 Sep 2026
Japan Post Holdings Co., Ltd. 10% owner · indirect
Sold on a plan 2×
$1.56M 13,500 at 115.20
0.0%
Planned (10b5-1)
23 Sep 2026
ISQ Global Fund II GP LLC 10% owner · indirect
Sold at will
$1.30M 24,194 at 53.55
5.9%
Not planned
22 Sep 2026
Bought on a plan 2×
$10.19M 296,868 at 34.31
0.2%
Bought on a plan
22 Sep 2026
Durable Capital Partners LP 10% owner · indirect
Bought
$7.10M 150,000 at 47.32
5.8%
Largest buy in 3 yrs
Showing 51–100 of 2,083. ← Newer Page 2 of 42 Older →