Dagmar Dolby - 30 Jan 2025 SCHEDULE 13D/A Report for Dolby Laboratories, Inc. Class A Common Stock (DLB)

Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

37%

Beneficial ownership of this reported class.

Shares

35,301,858 shares

Shares beneficially owned as disclosed.

Event date

30 Jan 2025

Date tied to the ownership event or amendment.

Accepted by SEC

03 Feb 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
DLB
Shares outstanding
96,453,164 shares
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
03 Feb 2025, 16:30:04 UTC
Event date
30 Jan 2025
Next SEC filing
13 Feb 2026
Source filing
View source filing

Key filing fact

Dagmar Dolby disclosed 37% ownership in Dolby Laboratories, Inc. Class A Common Stock (DLB) on 30 Jan 2025.

Key facts

  • Dagmar Dolby filed SCHEDULE 13D/A for Dolby Laboratories, Inc. Class A Common Stock (DLB).
  • Disclosed ownership: 37%.
  • Date of event: 30 Jan 2025.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 03 Feb 2025, 16:30.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (10)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Dagmar Dolby 37% 35,301,858 0 32,884,404 /s/ Patrick McCabe Dagmar Dolby 0001537372
Dagmar Dolby, as Trustee of the Marital Trust under the Dolby Family Trust Instrument dated May 7, 1999 25% 24,108,162 0 24,108,162 /s/ Patrick McCabe Dagmar Dolby, Trustee
Dagmar Dolby, as Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument dated May 7, 1999 8.9% 8,572,117 0 8,572,117 /s/ Patrick McCabe Dagmar Dolby, Trustee 0001598813
Dagmar Dolby, as Trustee of the Ray Dolby 2002 Trust A dated April 19, 2002 0.2% 160,592 0 0 /s/ Patrick McCabe Dagmar Dolby, Trustee 0001316241
Dagmar Dolby, as Trustee of the Ray Dolby 2002 Trust B dated April 19, 2002 0.5% 463,262 0 0 /s/ Patrick McCabe Dagmar Dolby, Trustee
Dolby Holdings II LLC 1.1% 1,040,000 0 1,040,000 /s/ Patrick McCabe Dagmar Dolby, Manager
Dolby Holdings III LLC 0.4% 350,000 0 350,000 /s/ Patrick McCabe Dagmar Dolby, Manager
Dagmar Dolby, as Trustee of the Dagmar Dolby 2016 Trust B dated March 23, 2016 0.4% 403,600 0 0 /s/ Patrick McCabe Dagmar Dolby, Trustee
Thomas E. Dolby 0.7% 680,592 650,592 0 /s/ Patrick McCabe Thomas E. Dolby 0001538127
David E. Dolby 36% 34,502,811 1,822,532 32,680,279 /s/ Patrick McCabe David E. Dolby 0001511370
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