Transaction · 0001193125-26-374860

Dolby Dagmar

Dolby Dagmar, 10%, reported a transaction classified as unknown at Dolby Laboratories, Inc. involving 300000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 4372117.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code C10%
DLBDolby Laboratories, Inc.
Filing timeAug 28
Trade dateAug 28, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

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Price at filing
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DLB price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
DLB since 2026-08-28Filed 6 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001193125-26-374860
Class B Common Stock
Transaction date
Aug 28, 2026
Filed Aug 28, 2026, 10:02 PM · 0d delay
Shares
300k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
4.37M sh
Indirect · By Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person.

  2. F2

    On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class…

  3. F3F6F7F8F9F10F11F12F13F14(10 footnotes)

    Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is…

  4. F4

    Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis.

  5. F5

    On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2…

Original filing · 0001193125-26-374860
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