InsiderTrades

OLSON RONALD L

SEC CIK 1192668 · EDGAR

Buying vs selling by month open-market trades, last 51 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ANDGAndersen Group Inc.Dir 7,896 $126.3K — 12025-12-182025-12-18
BRK-BBerkshire HathawayDir 1,235 $661.2K — 42013-05-192023-05-17
WEAWESTERN ASSET PREMIER BOND FUNDDir 2,000 $223.8K $201.6K 22022-12-232023-01-20

Most active insiders at ANDG, 12 months

#InsiderTitleBoughtSold
1 Durable Capital Partners LP10% $7.45M$13.47M
2 Gunderson Robert V JRDir $286.9K—
3 JOYCE JOHN RDir $166.8K—
4 Nicolai JohnDir $151.6K—
5 OLSON RONALD LDir $126.3K—

Transactions 7

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2025-12-22 2025-12-18 ANDG Andersen Group Inc. OLSON RONALD L Dir P - Purchase $16.00 +7,896 7,896 New +$126.3K
DMI 2023-10-30 2013-05-19+ BRK-B Berkshire Hathaway OLSON RONALD L Dir J - Other — -2,343 1,235 -65% —
DI 2023-10-30 2023-05-17 BRK-B Berkshire Hathaway OLSON RONALD L Dir C - Cnv Deriv — +1,500 2,797 +116% —
2023-01-24 2023-01-20 WEA WESTERN ASSET PREMIER BOND FUND OLSON RONALD L Dir S - Sale $11.20 -18.0K 2,000 -90% -$201.6K
2022-12-27 2022-12-23 WEA WESTERN ASSET PREMIER BOND FUND OLSON RONALD L Dir P - Purchase $11.19 +20.0K 20.0K New +$223.8K
2022-07-07 2022-07-05 BRK-B Berkshire Hathaway OLSON RONALD L Dir P - Purchase $274.62 +895 5,630 +19% +$245.8K
I 2022-07-07 2022-07-05 BRK-B Berkshire Hathaway OLSON RONALD L Dir P - Purchase $274.19 +1,515 1,515 New +$415.4K

Purchase Sale Sale after option exercise All abbreviations