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Ronald L. Olson Insider Profile
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Ronald L. Olson, Director at Berkshire Hathaway A, holds 7.90K shares in Andersen Group, Inc. Class A (Ticker: ANDG), holds 28.13K shares in Berkshire Hathaway B (Ticker: BRK.B), holds 28.13K shares in Berkshire Hathaway A (Ticker: BRK.A). Most recently, Ronald L. Olson Bought ― shares of Andersen Group, Inc. Class A on Dec 22, 2025 for an estimated value of $126.34K.
Ronald L. Olson Berkshire Hathaway A (BRK.A)Director
Berkshire Hathaway A (BRK.A)
Director
Ranked #18,037 out of 106,131 Corporate Insiders
Profitable Transactions
5 out of 6 Profitable Transactions
Average Return
+16.40%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Ronald L. Olson holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Buy
Date:Jan 06, 2021 - Jan 06, 2022
Return:+36.00%
The most profitable trade made by Ronald L. Olson
Ronald L. Olson's Trading History
Berkshire Hathaway A
Dec 22, 2014
Director
Informative Sell
9.88K
―
Berkshire Hathaway B
Oct 30, 2023
Director
Uninformative Sell
―
$13.51M
Andersen Group, Inc. Class A
Dec 22, 2025
Director
Informative Buy
126.34K
$191.08K
City National Corp
Feb 18, 2014
―
Informative Buy
500.00
$0.00
Edison International
Apr 12, 2014
Director
Uninformative Buy
―
$1.36M
Western Asset Investment Grade Income Fund Inc
―
Director
―
$12.54K
Graham Holdings
Jan 03, 2011
Director
Informative Sell
131.38K
$0.00
List of latest transactions for each holding click on a transaction to see Ronald L. Olson's performance on stock
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Ronald L. Olson insider profile FAQ
What is the percentage of profitable transactions made by Ronald L. Olson?
The percentage of profitable transactions made by Ronald L. Olson is 83%.
What is the average return per transaction made by Ronald L. Olson?
The average return per transaction made by Ronald L. Olson is 16.40%.
What stocks does Ronald L. Olson hold?
Ronald L. Olson holds: BRK.A, BRK.B, ANDG, ~CYN, EIX, PAI, GHC stocks.
What was Ronald L. Olson’s latest transaction?
Ronald L. Olson latest transaction was an Informative Buy of $126.34K.
What was Ronald L. Olson's most profitable transaction?
Ronald L. Olson’s most profitable transaction was an Informative Buy of BRK.B stock on January 6, 2021. The return on the trade was 36.00%.
What is Ronald L. Olson's role in Berkshire Hathaway A?
Ronald L. Olson's role in Berkshire Hathaway A is Director.
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