DLB

SEC source: 0001209191-16-140092 · doc4.xml · derivative · entry 12

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,548,785

Underlying: Class A Common Stock · 25,000 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.

F8 · 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.

F8 · 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.

F8 · 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 (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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · derivative · entry 11

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,547,719

Underlying: Class A Common Stock · 25,000 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.

F8 · 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.

F8 · 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.

F8 · 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.

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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 8

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F7 · price: The shares were sold in multiple transactions at prices ranging from $48.91 to $49.525, inclusive. The price reported 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.

F4 · 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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 7

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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 reporting person.

F4 · 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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F6 · price: The shares were sold in multiple transactions at prices ranging from $48.96 to $49.525, inclusive. The price reported 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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 5

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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 reporting person.

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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · derivative · entry 10

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,573,785

Underlying: Class A Common Stock · 25,000 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.

F8 · 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.

F8 · 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.

F8 · 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 (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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · derivative · entry 9

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 1,572,719

Underlying: Class A Common Stock · 25,000 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.

F8 · 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.

F8 · 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.

F8 · 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.

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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 4

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 $48.58 to $49.07, inclusive. The price reported 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.

F4 · 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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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 reporting person.

F4 · 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 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, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · 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 $48.595 to $49.12, inclusive. The price reported 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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-140092 · doc4.xml · nonDerivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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 reporting person.

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 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. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-16-146104 · doc4.xml · nonDerivative · entry 1

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: 16,508

F1 · kind: Shares were sold by the broker in open market transactions on May 20, 2016, although such broker failed to inform the Issuer of such sales at the times of such sales.

F2 · price: This transaction was executed in multiple trades at prices ranging from $44.92 to $44.98. 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.

SEC source: 0001209191-17-060916 · doc4.xml · nonDerivative · entry 1

Dolby David · CIK 0001511370 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,150

F1 · balance_after: Shares held following the reported transactions include 5,233 shares issuable upon vesting of restricted stock units, each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting.

SEC source: 0001209191-17-047295 · doc4.xml · derivative · entry 6

Dolby Dagmar · CIK 0001537372 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 513,262

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 option 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 option 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 option 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 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, son of Dagmar 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.

SEC source: 0001209191-18-038922 · 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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 8,680,617

Underlying: Class A Common Stock · 3,800,000 shares

Expires not disclosed

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.

F8 · kind: On June 20, 2018, the Dagmar Dolby Trust contributed 3,800,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2018 Trust BB (as defined below). Such share contribution 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. Applicable rules consider such a share contribution 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 share contribution on this Form 4.

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.