• Info
  • Insider Ownership

Insider Trading & Ownership of Ronald L. Olson

Location
Los Angeles, CA
Summary
The estimated net worth of Ronald L. Olson is at least $9,610,112 dollars as of 22 Dec 2025. Ronald L. Olson is the Director of BERKSHIRE HATHAWAY INC and owns shares of BERKSHIRE HATHAWAY INC (BRK-B) stock worth about $9.59M. Ronald L. Olson is the Director of WESTERN ASSET PREMIER BOND FUND and owns shares of WESTERN ASSET PREMIER BOND FUND (WEA) stock worth about $22.4K.
Signature
/s/ William Deckelman as Attorney-in-Fact
All Insider Reports
All Insider Reports

Follow Filing Activity

Follow Ronald L. Olson and return when a new Insider Trading filing changes the record on this page.

This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.

Sign up to save research and follow filings

Quick Takeaways

  • Ronald L. Olson has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $9,610,112.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: BERKSHIRE HATHAWAY INC ($9,587,712).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Ronald L. Olson

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
BRK-B, BRK-A BERKSHIRE HATHAWAY INC Director $9,587,712 17 May 2023
WEA WESTERN ASSET PREMIER BOND FUND Director $22,400 20 Jan 2023
ANDG Andersen Group Inc. Director 18 Dec 2025

Insider Transactions Reported by Ronald L. Olson:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.