Dagmar Dolby & family
Profile Summary
Dagmar Dolby & family are U.S.-based technology billionaires in California with an estimated net worth of ~$4.8B. Their wealth is tied to Dolby Laboratories, Inc. (ticker DLB), a company classified under “Patent Owners & Lessors” in SEC industry coding. RTB SEC EDGAR
Business & SEC Activity
Dolby Laboratories, Inc. (DLB) is the primary operating company associated with the family in the SEC data, with 1,001 total SEC filings and 803 insider-related filings. Recent insider filings include multiple Form 4 reports in February 2026 and several Form 144 filings; Form 4 is used to report insiders’ purchases/sales and other ownership changes, while Form 144 is a notice of a planned sale of restricted or control securities. The SEC company list also includes an entity named “Dolby Dagmar” (CIK 0001537372). SEC EDGAR
U.S. Presence
SEC Filings
Associated Companies
Entities appearing alongside this person in SEC full-text search — an association, not necessarily ownership or control. Follow each link to the primary SEC record to judge for yourself.
Recent Insider Filings
Giving score
Not graded — insufficient data
We hold no charitable giving record for this person that we can count toward a score: no foundation filing we can tie to them and no sourced record of their direct giving. A gift reported elsewhere on this page, in the news or the summary, is not one we have recorded as a giving record yet. Without a record, a score would reflect how much data we hold about them and any Giving Pledge signature rather than recorded giving, so we do not give one. That says nothing about how much they give.
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