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DLB

Dolby Laboratories, Inc.

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Tapewire entity
2518
SEC CIK
0001308547
Parsed reports
525

Last 12 months

Inside the activity.

0 purchase rows · 38 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
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MonthPurchasesSales
Nov 202504
Dec 2025011
Jan 202600
Feb 202603
Mar 202600
Apr 202601
May 202607
Jun 202602
Jul 202601
Aug 202606
Sep 202601
Oct 202602

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
June 05, 2018 Filed Jun 7, 2018 01:14 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 17,567 $64.05 $1,125,092.57
Disclosure

SEC source: 0001209191-18-036191 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

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

F4 · price: The shares were sold in multiple transactions at prices ranging from $63.91 to $64.16, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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
June 05, 2018 Filed Jun 7, 2018 01:14 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 32,433 $63.40 $2,056,343.01
Disclosure

SEC source: 0001209191-18-036191 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 17,567

F3 · price: The shares were sold in multiple transactions at prices ranging from $62.91 to $63.90, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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
June 05, 2018 Filed Jun 7, 2018 01:14 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-036191 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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
June 04, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-035832 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,316,617

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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
June 04, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $62.83 $3,141,390.00
Disclosure

SEC source: 0001209191-18-035832 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

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

F4 · price: The shares were sold in multiple transactions at prices ranging from $62.64 to $63.125, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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
June 04, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-035832 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 · CIK 0001598813 · 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: 50,000

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, and at no cost to, the holder.

F2 · 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
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftEmployee Stock Option (Right to Buy) · Derivative 180,000 $0.00 Strike: $62.32 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 8

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By the Kevin and Rachel Yeaman Family Trust dated May 14, 2009

Disclosed balance after: 180,000

Underlying: Class A Common Stock · 180,000 shares

Expires 2027-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F5 · derivative.exercise_date: This option was granted for a total of 180,000 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vests on the first anniversary of December 15, 2017, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftEmployee Stock Option (Right to Buy) · Derivative 180,000 $0.00 Strike: $62.32 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 7

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 180,000 shares

Expires 2027-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F5 · derivative.exercise_date: This option was granted for a total of 180,000 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vests on the first anniversary of December 15, 2017, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftPerformance-Based Stock Option (Right to Buy) · Derivative 90,000 $0.00 Strike: $62.32 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 6

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By the Kevin and Rachel Yeaman Family Trust dated May 14, 2009

Disclosed balance after: 90,000

Underlying: Class A Common Stock · 90,000 shares

Expires 2024-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F4 · derivative.exercise_date: The vesting of this performance-based stock option ("PSO") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2017 and ending December 15, 2020. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 125% of the target award amount based on total shareholder return at the end of the three-year performance period. The actual PSO award earned shall vest immediately upon certification by the Company's Compensation Committee of the achievement of the performance criteria, following the end of the three-year performance period.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftPerformance-Based Stock Option (Right to Buy) · Derivative 90,000 $0.00 Strike: $62.32 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 5

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 90,000 shares

Expires 2024-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F4 · derivative.exercise_date: The vesting of this performance-based stock option ("PSO") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2017 and ending December 15, 2020. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 125% of the target award amount based on total shareholder return at the end of the three-year performance period. The actual PSO award earned shall vest immediately upon certification by the Company's Compensation Committee of the achievement of the performance criteria, following the end of the three-year performance period.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftEmployee Stock Option (Right to Buy) · Derivative 194,399 $0.00 Strike: $45.50 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 4

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By the Kevin and Rachel Yeaman Family Trust dated May 14, 2009

Disclosed balance after: 194,399

Underlying: Class A Common Stock · 194,399 shares

Expires 2026-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F3 · derivative.exercise_date: This option was granted for a total of 194,399 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vests on the first anniversary of December 15, 2016, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftEmployee Stock Option (Right to Buy) · Derivative 194,399 $0.00 Strike: $45.50 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 3

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 194,399 shares

Expires 2026-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F3 · derivative.exercise_date: This option was granted for a total of 194,399 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vests on the first anniversary of December 15, 2016, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftPerformance-Based Stock Option (Right to Buy) · Derivative 97,199 $0.00 Strike: $45.50 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 2

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By the Kevin and Rachel Yeaman Family Trust dated May 14, 2009

Disclosed balance after: 97,199

Underlying: Class A Common Stock · 97,199 shares

Expires 2023-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F2 · derivative.exercise_date: The vesting of this performance-based stock option ("PSO") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2016 and ending December 15, 2019. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 125% of the target award amount based on total shareholder return at the end of the three-year performance period. The actual PSO award earned shall vest immediately upon certification by the Company's Compensation Committee of the achievement of the performance criteria, following the end of the three-year performance period.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 16:20 UTC
YEAMAN KEVIN JDirector · President and CEO
GiftPerformance-Based Stock Option (Right to Buy) · Derivative 97,199 $0.00 Strike: $45.50 $0.00
Disclosure

SEC source: 0001209191-18-034675 · doc4.xml · derivative · entry 1

YEAMAN KEVIN J · CIK 0001200469 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 97,199 shares

Expires 2023-12-15

F1 · kind: Effective June 1, 2018 the Reporting Person transferred this option as a gift to a revocable trust.

F2 · derivative.exercise_date: The vesting of this performance-based stock option ("PSO") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2016 and ending December 15, 2019. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 125% of the target award amount based on total shareholder return at the end of the three-year performance period. The actual PSO award earned shall vest immediately upon certification by the Company's Compensation Committee of the achievement of the performance criteria, following the end of the three-year performance period.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-035832 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,366,617

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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
June 01, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $63.03 $3,151,605.00
Disclosure

SEC source: 0001209191-18-035832 · 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

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

F3 · price: The shares were sold in multiple transactions at prices ranging from $62.91 to $63.22, inclusive. The price reported above reflects the weighted average sale price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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
June 01, 2018 Filed Jun 5, 2018 21:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-035832 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 31, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 17,439 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Class A Common Stock · 17,439 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 31, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 17,439 $62.67 $1,092,942.24
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F4 · price: The shares were sold in multiple transactions at prices ranging from $62.39 to $62.86, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 31, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 17,439 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 17,439

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · derivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 17,439

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $62.54 $3,126,930.00
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · nonDerivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F3 · price: The shares were sold in multiple transactions at prices ranging from $61.875 to $62.83, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 01:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034517 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 29, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · derivative · entry 7

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 67,439

Underlying: Class A Common Stock · 50,000 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.

F6 · 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.

F6 · 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.

F6 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 29, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 1,300 $62.00 $80,600.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · nonDerivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F5 · price: The shares were sold in multiple transactions at prices ranging from $61.99 to $62.01, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 29, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 48,700 $61.58 $2,999,048.27
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,300

F4 · price: The shares were sold in multiple transactions at prices ranging from $60.99 to $61.975, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 29, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 25, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 117,439

Underlying: Class A Common Stock · 50,000 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.

F6 · 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.

F6 · 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.

F6 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 25, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $61.49 $3,074,440.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · nonDerivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F3 · price: The shares were sold in multiple transactions at prices ranging from $61.315 to $61.78, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 25, 2018 Filed May 30, 2018 22:24 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-034245 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 24, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 167,439

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 24, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $61.55 $3,077,585.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F4 · price: The shares were sold in multiple transactions at prices ranging from $61.05 to $61.76, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 24, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 23, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · derivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 217,439

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 23, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $61.44 $3,071,990.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · nonDerivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F3 · price: The shares were sold in multiple transactions at prices ranging from $61.23 to $61.75, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 23, 2018 Filed May 25, 2018 20:27 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-033524 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 22, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · derivative · entry 7

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 267,439

Underlying: Class A Common Stock · 50,000 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.

F6 · 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.

F6 · 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.

F6 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 22, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 220 $62.83 $13,823.30
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · nonDerivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F5 · price: The shares were sold in multiple transactions at prices ranging from $62.76 to $62.84, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 22, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 49,780 $62.19 $3,095,788.33
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 220

F4 · price: The shares were sold in multiple transactions at prices ranging from $61.75 to $62.84, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 22, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 21, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 317,439

Underlying: Class A Common Stock · 50,000 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.

F6 · 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.

F6 · 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.

F6 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

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May 21, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $62.42 $3,121,045.00
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · nonDerivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F3 · price: The shares were sold in multiple transactions at prices ranging from $62.16 to $62.84, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

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May 21, 2018 Filed May 23, 2018 20:19 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-032587 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

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May 18, 2018 Filed May 21, 2018 20:53 UTC
Dolby Dagmar10% owner
ConversionClass B Common Stock · Derivative 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-031925 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 367,439

Underlying: Class A Common Stock · 50,000 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.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

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May 18, 2018 Filed May 21, 2018 20:53 UTC
Dolby Dagmar10% owner
SaleClass A Common Stock 50,000 $62.40 $3,120,140.00
Disclosure

SEC source: 0001209191-18-031925 · doc4.xml · nonDerivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F4 · price: The shares were sold in multiple transactions at prices ranging from $62.22 to $62.57, inclusive. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

Read SEC document
May 18, 2018 Filed May 21, 2018 20:53 UTC
Dolby Dagmar10% owner
ConversionClass A Common Stock 50,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-031925 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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, and at no cost to, the holder.

F2 · 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 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power over which is held by David E. Dolby, son of Dagmar 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.

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May 17, 2018 Filed May 17, 2018 20:09 UTC GiftClass A Common Stock 500 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-031222 · doc4.xml · nonDerivative · entry 2

DONATIELLO NICHOLAS JR · CIK 0001269691 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Nicholas Donatiello, Jr. Trustee of the Nicholas Donatiello, Jr. Trust u/a/d April 22, 2011

Disclosed balance after: 18,411

F2 · kind: Gift to charitable and/or non-profit organization.

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May 17, 2018 Filed May 17, 2018 22:47 UTC
CHEW LEWISEVP & Chief Financial Officer
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 17,000 $0.00 Strike: $37.96 $0.00
Disclosure

SEC source: 0001209191-18-031168 · doc4.xml · derivative · entry 3

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,185

Underlying: Class A Common Stock · 17,000 shares

Expires 2022-06-15

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.

F3 · derivative.exercise_date: This option was granted for a total of 187,185 shares of Class A Common and became fully vested on June 15, 2016.

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May 17, 2018 Filed May 17, 2018 22:47 UTC
CHEW LEWISEVP & Chief Financial Officer
SaleClass A Common Stock 17,000 $62.58 $1,063,841.30
Disclosure

SEC source: 0001209191-18-031168 · doc4.xml · nonDerivative · entry 2

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,370

F2 · price: This transaction was executed in multiple trades at prices ranging from $62.39 to $62.91. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

F1 · balance_after: Shares held following the reported transactions include 36,533 restricted stock units, which are subject to forfeiture until they vest.

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May 17, 2018 Filed May 17, 2018 22:47 UTC
CHEW LEWISEVP & Chief Financial Officer
Exercise / conversionClass A Common Stock 17,000 $37.96 $645,320.00
Disclosure

SEC source: 0001209191-18-031168 · doc4.xml · nonDerivative · entry 1

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,370

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 · balance_after: Shares held following the reported transactions include 36,533 restricted stock units, which are subject to forfeiture until they vest.

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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.