Ronald L. Olson's Insider Trades & SAST Disclosures

Ronald L. Olson's most recent trade in Andersen Group Inc. - Ordinary Shares- Class A was a trade of 7,896 Class A Common Stock done at an average price of $16 . Disclosure was reported to the exchange on Dec. 18, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Andersen Group Inc Ordinary
Ronald L. Olson Director Purchase of securities on an exchange or from another person at price $ 16.00 per share. 18 Dec 2025 7,896 7,896 - 16 126,336 Class A Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 17 May 2023 1,562 1,235 (0%) 0% - Class B Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 17 May 2023 1,500 2,797 (0%) 0% - Class B Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 17 May 2023 781 454 (0%) 0% - Class B Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 17 May 2023 24 4 - - Class A Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 17 May 2023 1 28 - - Class A Common
Western Asset Premier Bond Fund
Ronald L. Olson Director Sale of securities on an exchange or to another person at price $ 11.20 per share. 20 Jan 2023 18,000 2,000 (0%) 0% 11.2 201,600 Common Stock
Western Asset Premier Bond Fund
Ronald L. Olson Director Purchase of securities on an exchange or from another person at price $ 11.19 per share. 23 Dec 2022 20,000 20,000 (0%) 0% 11.2 223,898 Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 05 Jul 2022 1,515 1,515 (0%) 0% 274.2 415,398 Class B Common Stock
Berkshire Hathaway Inc (Class A)
Ronald L. Olson Director 05 Jul 2022 895 5,630 (0%) 0% 274.6 245,785 Class B Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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