Largest buys

Transactions from all insiders
Plus and above
Largest buys

Biggest insider purchases by total value
Largest sells

Biggest insider sales by total value
Top insider buys

Companies with the highest insider buying activity
Top insider sells

Companies with the highest insider selling activity
Top cluster buys

Companies with the most insiders buying
Top cluster sells

Companies with the most insiders selling
Buying the dip

Insiders buying after 5%+ price drops
52-week high + Insider activity Pro+

Companies within 5% of 52-week highs with insider activity
52-week low + Insider activity Pro+

Companies within 5% of 52-week lows with insider activity
Transactions from executives
Plus and above
Top executive buys

Companies with the highest executive buying activity
Top executive sells

Companies with the highest executive selling activity
Transactions from top insiders
Premium
Top insider buys from high-rated insiders

Buys from insiders with proven track records
Recent trades from top insiders

Latest buy and sell transactions from top-rated insiders
Activity signals
Premium
Insider activity signals

Unusual activity detected via statistical analysis against historical baselines
This screen lists the highest-value insider purchase transactions.
Transactions are filtered to reported, at-market purchases during the selected period. They are then ranked individually by transaction value in USD, from largest to smallest.
The information provided in this screen is for informational purposes only and does not constitute financial advice. We do not endorse any specific investment based on these criteria.
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Insider
3.3
Monroe James III Non-Executive Director Large shareholder
Price
82.52
Quantity 361,600 +775.1%
Value US$29,839,232
Transaction date
Purchase
Insider
4.2
Cohen Ryan President, CEO and Chairman Executive Director
Price
22.94
Quantity 1,150,680 +2.9%
Value US$26,393,722
Notification date Transaction date Company B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-21 2026-09-18
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
92,576 +28.6%
407.17
US$3,731,057 		92,576 +28.6% 407.17 US$3,731,057
2026-09-25 2026-09-23
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
38,053 +31.2%
327.42
US$24,318 		38,053 +31.2% 327.42 US$24,318
2026-09-21 2026-09-21
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
67,473 +11.7%
120.58
US$4,919,910 		67,473 +11.7% 120.58 US$4,919,910
2026-09-21 2026-09-17
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
410,164 +1.9%
79.41
US$32,571,123 		410,164 +1.9% 79.41 US$32,571,123
2026-09-25 2026-09-24
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
399,238 +1.6%
80.58
US$32,170,598 		399,238 +1.6% 80.58 US$32,170,598
2026-09-21 2026-09-18
B Purchase
3.3
Monroe James III
Non-Executive Director Large shareholder
361,600 +775.1%
82.52
US$29,839,232 		361,600 +775.1% 82.52 US$29,839,232
2026-09-21 2026-09-21
B Purchase
4.2
Cohen Ryan

President, CEO and Chairman

Executive Director
1,150,680 +2.9%
22.94
US$26,393,722 		1,150,680 +2.9% 22.94 US$26,393,722
2026-09-25 2026-09-25
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
313,379 +1.3%
80.90
US$25,352,361 		313,379 +1.3% 80.90 US$25,352,361
2026-09-21 2026-09-17
B Purchase
2.4
Lincoln Financial Investments Corp

Investment Adviser

Large shareholder
2,460,630 +9.7%
10.16
US$25,000,000 		2,460,630 +9.7% 10.16 US$25,000,000
2026-09-21 2026-09-17
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
267,585 +1.3%
78.41
US$20,981,340 		267,585 +1.3% 78.41 US$20,981,340
2026-09-25 2026-09-24
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
241,692 +1.0%
81.44
US$19,683,396 		241,692 +1.0% 81.44 US$19,683,396
2026-09-23 2026-09-21
B Purchase
1.6
GORDON CARL L
Non-Executive Director Large shareholder
1,000,000 +131.9%
15.00
US$15,000,000 		1,000,000 +131.9% 15.00 US$15,000,000
2026-09-23 2026-09-21
B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
1,000,000 +131.9%
15.00
US$15,000,000 		1,000,000 +131.9% 15.00 US$15,000,000
2026-09-25 2026-09-25
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
171,723 +0.7%
81.60
US$14,012,597 		171,723 +0.7% 81.60 US$14,012,597
2026-09-21 2026-09-21
B Purchase
3.4
BERKSHIRE HATHAWAY INC
Large shareholder
160,275 +0.7%
77.23
US$12,378,038 		160,275 +0.7% 77.23 US$12,378,038