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MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999

Disclosed activity across 1 company

Tapewire entity
167956
SEC CIK
0001598817

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Dolby Laboratories, Inc.DLB · Entity 251810% ownerOctober 02, 2026October 02, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Dolby Laboratories, Inc.

Report date October 02, 2026 · Filed October 02, 2026

Jointly reported with Dolby Dagmar, DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class B Common StockSEC Table II · derivative / convertible securityIndirectBy a trust0 Reported balance After 2026-10-02 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-10-02 · Gift · Disposed 24,108,162 · Balance 0

F1: 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.

F2: On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4.

F3: Reflects shares of Class B Common Stock held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy a trust28,480,279 Reported balance After 2026-10-02 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-10-02 · Gift · Acquired 24,108,162 · Balance 28,480,279

F1: 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.

F2: On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4.

F4: 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 shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust160,592 Reported balance Holding disclosure · report date 2026-10-02 · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · Balance 160,592

F1: 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.

F5: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust A, dated April 19, 2002 (the "Ray Dolby 2002 Trust A"), voting power of which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust463,262 Reported balance Holding disclosure · report date 2026-10-02 · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · Balance 463,262

F1: 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.

F6: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust B, dated April 19, 2002 (the "Ray Dolby 2002 Trust B"), voting power of which is held by David E. Dolby, as Special Trustee of the Ray Dolby 2002 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust403,600 Reported balance Holding disclosure · report date 2026-10-02 · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · Balance 403,600

F1: 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.

F7: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust1,000,000 Reported balance Holding disclosure · report date 2026-10-02 · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · Balance 1,000,000

F1: 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.

F10: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA, dated February 25, 2026 (the "Dagmar Dolby 2026 Trust AA"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust1,000,000 Reported balance Holding disclosure · report date 2026-10-02 · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · Balance 1,000,000

F1: 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.

F11: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA-2, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust AA-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy Trust1,000,000 Reported balance Holding disclosure · report date 2026-10-02 · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · Balance 1,000,000

F1: 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.

F12: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust BB, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy LLC1,040,000 Reported balance Holding disclosure · report date 2026-10-02 · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · Balance 1,040,000

F1: 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.

F8: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings II LLC, a limited liability company ("Dolby Holdings II"), investment power over which is held by Dagmar Dolby, manager of Dolby Holdings II, and voting power over which is held by (i) Thomas E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares, and (ii) David E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings II. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein

Class B Common StockSEC Table II · derivative / convertible securityIndirectBy LLC350,000 Reported balance Holding disclosure · report date 2026-10-02 · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · Balance 350,000

F1: 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.

F9: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings III LLC, a limited liability company ("Dolby Holdings III"), investment power over which is held by Dagmar Dolby, the manager of Dolby Holdings III, and voting power over which is held by David E. Dolby, the Special Manager of Dolby Holdings III. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings III. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: 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.

F2: On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4.

F3: Reflects shares of Class B Common Stock held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F4: 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 shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F5: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust A, dated April 19, 2002 (the "Ray Dolby 2002 Trust A"), voting power of which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F6: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust B, dated April 19, 2002 (the "Ray Dolby 2002 Trust B"), voting power of which is held by David E. Dolby, as Special Trustee of the Ray Dolby 2002 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F7: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F8: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings II LLC, a limited liability company ("Dolby Holdings II"), investment power over which is held by Dagmar Dolby, manager of Dolby Holdings II, and voting power over which is held by (i) Thomas E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares, and (ii) David E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings II. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein

F9: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings III LLC, a limited liability company ("Dolby Holdings III"), investment power over which is held by Dagmar Dolby, the manager of Dolby Holdings III, and voting power over which is held by David E. Dolby, the Special Manager of Dolby Holdings III. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings III. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F10: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA, dated February 25, 2026 (the "Dagmar Dolby 2026 Trust AA"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F11: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA-2, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust AA-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

F12: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust BB, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Transaction history

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 02, 2026 Filed Oct 2, 2026 22:42 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 24,108,162 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-412706 · ownership.xml · derivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By a trust

Disclosed balance after: 28,480,279

Underlying: Class A Common Stock · 24,108,162 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · kind: On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F4 · ownership.nature: 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 shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Read SEC document
October 02, 2026 Filed Oct 2, 2026 22:42 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 24,108,162 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-412706 · ownership.xml · derivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By a trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 24,108,162 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · kind: On October 2, 2026, the Marital Trust (as defined below) transferred 24,108,162 shares of Class B Common Stock to the Dagmar Dolby Trust (as defined below). Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As a change in form of indirect beneficial ownership only, the share transfer would be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act. The reporting persons are voluntarily reporting the share transfer on this Form 4.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F3 · ownership.nature: Reflects shares of Class B Common Stock held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust.The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Read SEC document
March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 350,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 11

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By LLC

Disclosed balance after: 350,000

Underlying: Class A Common Stock · 350,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F11 · kind: On March 28, 2018, the Dagmar Dolby Trust contributed 350,000 shares of Class B Common Stock to Dolby Holdings III (as defined below), a newly formed family limited liability company. Such share contribution was effected solely for tax and estate planning and investment management purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F12 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings III LLC, a limited liability company ("Dolby Holdings III"), investment and voting power over which is held by Dagmar Dolby, manager of Dolby Holdings III. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by Dolby Holdings III. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Read SEC document
March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 350,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 10

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,416,617

Underlying: Class A Common Stock · 350,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F11 · kind: On March 28, 2018, the Dagmar Dolby Trust contributed 350,000 shares of Class B Common Stock to Dolby Holdings III (as defined below), a newly formed family limited liability company. Such share contribution was effected solely for tax and estate planning and investment management purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 824,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 9

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,766,617

Underlying: Class A Common Stock · 824,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F9 · kind: On March 28, 2018, the Marital Trust (as defined below) transferred 824,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 824,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 8

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 24,108,162

Underlying: Class A Common Stock · 824,000 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F9 · kind: On March 28, 2018, the Marital Trust (as defined below) transferred 824,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected solely for tax and estate planning purposes, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F10 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Marital Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,155,977 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 7

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,155,977

Underlying: Class A Common Stock · 1,155,977 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F7 · kind: On March 28, 2018, following the annuity payment described in footnote (5) above, the Dagmar Dolby 2016 Trust BB distributed all remaining shares of Class B Common Stock it held, totaling 1,155,977 shares, to the Dagmar Dolby 2016 Trust B (as defined below). Such distribution was effected in satisfaction of the distribution requirements, and in accordance with the terms, of the Dagmar Dolby 2016 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F8 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,155,977 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,155,977 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F7 · kind: On March 28, 2018, following the annuity payment described in footnote (5) above, the Dagmar Dolby 2016 Trust BB distributed all remaining shares of Class B Common Stock it held, totaling 1,155,977 shares, to the Dagmar Dolby 2016 Trust B (as defined below). Such distribution was effected in satisfaction of the distribution requirements, and in accordance with the terms, of the Dagmar Dolby 2016 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F6 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust BB, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2016 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her respective pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,556,423 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 11,942,617

Underlying: Class A Common Stock · 1,556,423 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F5 · kind: On March 28, 2018, the Dagmar Dolby 2016 Trust BB (as defined below) transferred 1,556,423 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2016 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,556,423 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,155,977

Underlying: Class A Common Stock · 1,556,423 shares

Expires not disclosed

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F5 · kind: On March 28, 2018, the Dagmar Dolby 2016 Trust BB (as defined below) transferred 1,556,423 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected in satisfaction of the annuity payment requirements, and in accordance with the terms, of the Dagmar Dolby 2016 Trust BB's trust instrument, and was a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F6 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust BB, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2016 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her respective pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 ConversionClass B Common Stock · Derivative 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · derivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 10,386,194

Underlying: Class A Common Stock · 1,000,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On March 28, 2018, the Dagmar Dolby Trust (as defined below) converted 1,000,000 shares of Class B Common Stock into the same number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to the Dagmar Dolby Fund, a charitable organization of which Dagmar Dolby serves as one of three directors.

F4 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass A Common Stock 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · nonDerivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F2 · kind: On March 28, 2018, the Dagmar Dolby Trust (as defined below) converted 1,000,000 shares of Class B Common Stock into the same number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to the Dagmar Dolby Fund, a charitable organization of which Dagmar Dolby serves as one of three directors.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
March 28, 2018 Filed Mar 29, 2018 21:40 UTC Dolby Laboratories, Inc. DLB · Entity 2518 ConversionClass A Common Stock 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-022121 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,000,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of the holder.

F2 · kind: On March 28, 2018, the Dagmar Dolby Trust (as defined below) converted 1,000,000 shares of Class B Common Stock into the same number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to the Dagmar Dolby Fund, a charitable organization of which Dagmar Dolby serves as one of three directors.

F3 · ownership.nature: Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) 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 over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 390,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,526,194

Underlying: Class A Common Stock · 390,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F7 · kind: On May 25, 2017, the Marital Trust (as defined below) transferred 390,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected solely for tax and estate planning purposes and for no value, and no reporting person paid or received any funds or other consideration in exchange for such share transfer.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) 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 shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 390,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 24,932,162

Underlying: Class A Common Stock · 390,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F7 · kind: On May 25, 2017, the Marital Trust (as defined below) transferred 390,000 shares of Class B Common Stock to the Dagmar Dolby Trust. Such share transfer was effected solely for tax and estate planning purposes and for no value, and no reporting person paid or received any funds or other consideration in exchange for such share transfer.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F8 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Marital Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,937,600 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,937,600

Underlying: Class A Common Stock · 1,937,600 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F5 · kind: On May 25, 2017, the Dagmar Dolby Trust contributed 1,937,600 shares of Class B Common Stock to a newly formed GRAT, the Dagmar Dolby 2017 Trust BB (as defined below). The establishment of such GRAT and such share contribution were effected solely for tax and estate planning purposes and for no value, and no reporting person paid or received any funds or other consideration in exchange for such transactions. Applicable rules consider such transactions to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such transactions on this Form 4.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F6 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2017 Trust BB, dated May 25, 2017 (the "Dagmar Dolby 2017 Trust BB"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2017 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Dagmar Dolby 2017 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Read SEC document
May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,937,600 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,136,194

Underlying: Class A Common Stock · 1,937,600 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F5 · kind: On May 25, 2017, the Dagmar Dolby Trust contributed 1,937,600 shares of Class B Common Stock to a newly formed GRAT, the Dagmar Dolby 2017 Trust BB (as defined below). The establishment of such GRAT and such share contribution were effected solely for tax and estate planning purposes and for no value, and no reporting person paid or received any funds or other consideration in exchange for such transactions. Applicable rules consider such transactions to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Exchange Act, and as a result the reporting persons are voluntarily reporting such transactions on this Form 4.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) 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 shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

Read SEC document
May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,937,600 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 14,073,794

Underlying: Class A Common Stock · 1,937,600 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On May 25, 2017, the Dagmar Dolby 2016 Trust BB transferred 1,937,600 shares of Class B Common Stock to the Dagmar Dolby Trust (each such trust as defined below). The Dagmar Dolby 2016 Trust BB is a grantor retained annuity trust ("GRAT") whose trust instrument requires an annual annuity payment to the Dagmar Dolby Trust, and such share transfer was made in satisfaction of this annuity payment requirement and pursuant to the terms of the trust instrument of the Dagmar Dolby 2016 Trust BB. No reporting person paid or received any funds or other consideration in exchange for such share transfer. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) 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 shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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May 25, 2017 Filed May 26, 2017 16:19 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,937,600 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-035814 · doc4.xml · derivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

Dagmar Dolby 2016 Trust BB, dated March 23, 2016 · CIK 0001670400 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 2,712,400

Underlying: Class A Common Stock · 1,937,600 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On May 25, 2017, the Dagmar Dolby 2016 Trust BB transferred 1,937,600 shares of Class B Common Stock to the Dagmar Dolby Trust (each such trust as defined below). The Dagmar Dolby 2016 Trust BB is a grantor retained annuity trust ("GRAT") whose trust instrument requires an annual annuity payment to the Dagmar Dolby Trust, and such share transfer was made in satisfaction of this annuity payment requirement and pursuant to the terms of the trust instrument of the Dagmar Dolby 2016 Trust BB. No reporting person paid or received any funds or other consideration in exchange for such share transfer. Applicable rules consider such a share transfer to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and as a result the reporting persons are voluntarily reporting such share transfer on this Form 4.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust BB, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust BB"), voting power of which is held by David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby 2016 Trust BB. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby 2016 Trust BB with respect to the securities held and transactions effected by the Dagmar Dolby 2016 Trust BB; however, as a result of and following the transaction described in footnote 2, the Dagmar Dolby 2016 Trust BB is no longer a reporting person under Section 16(a) of the Exchange Act. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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December 15, 2016 Filed Dec 19, 2016 21:13 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,474,365 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-155890 · doc4.xml · derivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,322,162

Underlying: Class A Common Stock · 1,474,365 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On December 15, 2016, each of the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B transferred to the Marital Trust (each such trust as defined below) all securities of the Issuer held of record by each such trust, totaling (i) 1,473,301 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust A and (ii) 1,474,365 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust B. Each such share transfer was made pursuant to the terms of the trust instruments for the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B, respectively, for tax and estate planning purposes and for no value, and no reporting person received any funds or other consideration in exchange for such share transfers.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Marital Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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December 15, 2016 Filed Dec 19, 2016 21:13 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,474,365 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-155890 · doc4.xml · derivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,474,365 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On December 15, 2016, each of the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B transferred to the Marital Trust (each such trust as defined below) all securities of the Issuer held of record by each such trust, totaling (i) 1,473,301 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust A and (ii) 1,474,365 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust B. Each such share transfer was made pursuant to the terms of the trust instruments for the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B, respectively, for tax and estate planning purposes and for no value, and no reporting person received any funds or other consideration in exchange for such share transfers.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F5 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2011 Trust B, dated December 14, 2011 (the "Ray Dolby 2011 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Ray Dolby 2011 Trust B. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

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December 15, 2016 Filed Dec 19, 2016 21:13 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,473,301 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-155890 · doc4.xml · derivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 23,847,797

Underlying: Class A Common Stock · 1,473,301 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On December 15, 2016, each of the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B transferred to the Marital Trust (each such trust as defined below) all securities of the Issuer held of record by each such trust, totaling (i) 1,473,301 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust A and (ii) 1,474,365 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust B. Each such share transfer was made pursuant to the terms of the trust instruments for the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B, respectively, for tax and estate planning purposes and for no value, and no reporting person received any funds or other consideration in exchange for such share transfers.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F4 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Marital Trust. This report is filed jointly by Dagmar Dolby and the Marital Trust with respect to the securities held and transactions effected by the Marital Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.

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December 15, 2016 Filed Dec 19, 2016 21:13 UTC Dolby Laboratories, Inc. DLB · Entity 2518 GiftClass B Common Stock · Derivative 1,473,301 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-155890 · doc4.xml · derivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

MARITAL TRUST UNDER DOLBY FAMILY TRUST DATED MAY 7, 1999 · CIK 0001598817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,473,301 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F2 · kind: On December 15, 2016, each of the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B transferred to the Marital Trust (each such trust as defined below) all securities of the Issuer held of record by each such trust, totaling (i) 1,473,301 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust A and (ii) 1,474,365 shares of Class B Common Stock transferred by the Ray Dolby 2011 Trust B. Each such share transfer was made pursuant to the terms of the trust instruments for the Ray Dolby 2011 Trust A and the Ray Dolby 2011 Trust B, respectively, for tax and estate planning purposes and for no value, and no reporting person received any funds or other consideration in exchange for such share transfers.

F1 · derivative.exercise_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F1 · derivative.expiration_date: Shares of Class B Common Stock are convertible, at no cost, at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

F3 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2011 Trust A, dated December 14, 2011 (the "Ray Dolby 2011 Trust A"), voting power of which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust A. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Ray Dolby 2011 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.