DLB

SEC source: 0001209191-20-064234 · doc4.xml · derivative · entry 4

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,253

Underlying: Class A Common Stock · 27,253 shares

Expires 2030-12-15

F6 · derivative.exercise_date: This option was granted for a total of 27,253 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, 2020, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-064234 · doc4.xml · derivative · entry 3

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,365

Underlying: Class A Common Stock · 6,365 shares

Expires not disclosed

F5 · derivative.exercise_price: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

F5 · derivative.exercise_date: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

F5 · derivative.expiration_date: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

SEC source: 0001209191-20-064234 · doc4.xml · nonDerivative · entry 1

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,531

F1 · acquired: Award represents a total of 12,731 restricted stock units granted under the terms of the Issuer's 2020 Stock Plan. Under the terms of the restricted stock unit grant agreement, 1/4 of the total number of units shall vest on each anniversary of December 15, 2020. Each unit represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting.

F2 · balance_after: Shares held following the reported transactions include 37,531 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-064229 · doc4.xml · derivative · entry 10

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,903

Underlying: Class A Common Stock · 28,903 shares

Expires 2030-12-15

F10 · derivative.exercise_date: This option was granted for a total of 28,903 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, 2020, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-064229 · doc4.xml · derivative · entry 9

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,750

Underlying: Class A Common Stock · 6,750 shares

Expires not disclosed

F9 · derivative.exercise_price: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

F9 · derivative.exercise_date: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

F9 · derivative.expiration_date: The vesting of this performance-based restricted stock unit ("PSU") award is dependent upon achievement of performance criteria measured during a three-year performance period beginning on December 15, 2020 and ending December 12, 2023. Each PSU represents a right to receive, upon vesting, one share of Class A common stock. The number of shares reported is at the target award amount. The reporting person may potentially earn from 0% to 200% of the target award amount based on achievement of annualized total shareholder return compared to the S&P Mid Cap 400 Index at the end of the three-year performance period. The actual PSU 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.

SEC source: 0001209191-20-064229 · doc4.xml · nonDerivative · entry 2

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,713

F3 · acquired: Award represents a total of 13,501 restricted stock units granted under the terms of the Issuer's 2020 Stock Plan. Under the terms of the restricted stock unit grant agreement, 1/4 of the total number of units shall vest on each anniversary of December 15, 2020. Each unit represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting.

F4 · balance_after: Shares held following the reported transactions include 38,626 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-064229 · doc4.xml · nonDerivative · entry 1

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,212

F1 · kind: In accordance with Rule 16b-3, shares reported as disposed of were withheld by the Issuer and not issued to the reporting person in order to cover withholding taxes incidental to the vesting of restricted stock units.

F2 · balance_after: Shares held following the reported transactions include 25,125 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-064231 · doc4.xml · nonDerivative · entry 1

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,961.826

F1 · kind: In accordance with Rule 16b-3, shares reported as disposed of were withheld by the Issuer and not issued to the reporting person in order to cover withholding taxes incidental to the vesting of restricted stock units.

F2 · balance_after: Shares held following the reported transactions include 4,500 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-062059 · doc4.xml · derivative · entry 3

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 959

Underlying: Class A Common Stock · 22,041 shares

Expires 2026-12-15

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.

F2 · derivative.exercise_date: This option was granted for a total of 46,000 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2016, the vesting commencement date, and the balance of the shares vest in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-062059 · doc4.xml · nonDerivative · entry 2

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,250

F1 · balance_after: Shares held following the reported transactions include 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-062059 · doc4.xml · nonDerivative · entry 1

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,291

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 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-060513 · doc4.xml · nonDerivative · entry 1

Segars Simon · CIK 0001632353 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,910

F1 · kind: Gift to charitable and/or non-profit organization.

F2 · balance_after: Shares held following the reported transactions include 3,627 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-060512 · doc4.xml · derivative · entry 3

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Class A Common Stock · 5,191 shares

Expires 2028-12-17

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 36,000 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 17, 2018, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-060512 · doc4.xml · nonDerivative · entry 2

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,800

F2 · price: The shares were sold in multiple transactions at prices ranging from $89.63 to $89.76, 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.

F1 · balance_after: Shares held following the reported transactions include 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-060512 · doc4.xml · nonDerivative · entry 1

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,991

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 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059279 · doc4.xml · derivative · entry 9

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,750

Underlying: Class A Common Stock · 3,000 shares

Expires 2027-12-15

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.

F6 · derivative.exercise_date: This option was granted for a total of 36,000 shares of Class A Common. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2017, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059279 · doc4.xml · derivative · entry 8

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,125

Underlying: Class A Common Stock · 19,698 shares

Expires 2028-12-17

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_date: This option was granted for a total of 27,000 shares of Class A Common. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 17, 2018, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 6

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,317.826

F3 · price: This transaction was executed in multiple trades at prices ranging from $89.185 to $89.15. 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.

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 5

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,317.826

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.

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 4

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,317.826

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 3

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,015.826

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.

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059654 · doc4.xml · nonDerivative · entry 5

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,800

F4 · price: The shares were sold in multiple transactions at prices ranging from $89.85 to $89.95, 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.

F1 · balance_after: Shares held following the reported transactions include 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059654 · doc4.xml · nonDerivative · entry 4

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,662

F3 · price: The shares were sold in multiple transactions at prices ranging from $89.006 to $89.77, 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.

F1 · balance_after: Shares held following the reported transactions include 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059654 · doc4.xml · nonDerivative · entry 3

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,703

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 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059654 · doc4.xml · nonDerivative · entry 2

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,662

F2 · price: The shares were sold in multiple transactions at prices ranging from $89.77 to $89.88, 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.

F1 · balance_after: Shares held following the reported transactions include 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059654 · doc4.xml · nonDerivative · entry 1

Pendleton Todd · CIK 0001746636 · SVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,971

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 24,800 restricted stock units, which are subject to forfeiture until they vest

SEC source: 0001209191-20-059653 · doc4.xml · derivative · entry 4

Dolby Dagmar · CIK 0001537372 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 3,000,000

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

Expires not disclosed

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

F6 · kind: On November 18, 2020, the Dagmar Dolby Trust contributed 3,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB-2 (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 Securities Exchange Act of 1934, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4.

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

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

F7 · ownership.nature: Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB-2, dated November 18, 2020 (the "Dagmar Dolby 2020 Trust BB-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2020 Trust BB-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2020 Trust BB-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

SEC source: 0001209191-20-059653 · doc4.xml · derivative · entry 3

Dolby Dagmar · CIK 0001537372 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 6,526,617

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

Expires not disclosed

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

F6 · kind: On November 18, 2020, the Dagmar Dolby Trust contributed 3,000,000 shares of Class B Common Stock to a newly formed grantor retained annuity trust, the Dagmar Dolby 2020 Trust BB-2 (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 Securities Exchange Act of 1934, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4.

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

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

F4 · ownership.nature: Reflects shares 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.

SEC source: 0001209191-20-059653 · doc4.xml · derivative · entry 2

Dolby Dagmar · CIK 0001537372 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 9,526,617

Underlying: Class A Common Stock · 1,900,000 shares

Expires not disclosed

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

F5 · kind: On November 18, 2020, 1,800,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2019 Trust BB (as defined below) were transferred to the Dagmar Dolby Trust in exchange for assets of equal value. As such, these securities are beneficially owned by the Dagmar Dolby Trust.

F3 · price: The shares exchanged from the Dagmar Dolby 2020 Trust BB were valued at $89.355 per share, the mean of the high and low trading price for the Class A Common Stock on November 18, 2020, for such purpose.

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

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

F4 · ownership.nature: Reflects shares 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.

SEC source: 0001209191-20-059653 · doc4.xml · derivative · entry 1

Dolby Dagmar · CIK 0001537372 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 7,726,617

Underlying: Class A Common Stock · 1,300,000 shares

Expires not disclosed

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

F2 · kind: On November 18, 2020, 1,300,000 shares of Class B Common Stock that were previously held indirectly by the Dagmar Dolby 2020 Trust BB (as defined below) were transferred to the Dagmar Dolby Trust (as defined below) in exchange for assets of equal value. As such, these securities are beneficially owned by the Dagmar Dolby Trust.

F3 · price: The shares exchanged from the Dagmar Dolby 2020 Trust BB were valued at $89.355 per share, the mean of the high and low trading price for the Class A Common Stock on November 18, 2020, for such purpose.

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

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

F4 · ownership.nature: Reflects shares 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.

SEC source: 0001209191-20-059282 · doc4.xml · derivative · entry 6

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,918

Underlying: Class A Common Stock · 7,000 shares

Expires 2024-12-15

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.

F5 · derivative.exercise_date: This option was granted for a total of 97,918 shares of Class A Common. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2014, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059282 · doc4.xml · derivative · entry 5

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 23,652 shares

Expires 2023-12-16

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

F4 · derivative.exercise_date: This option was granted for a total of 103,652 shares of Class A Common. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 16, 2013, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059282 · doc4.xml · nonDerivative · entry 4

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,047

F3 · price: This transaction was executed in multiple trades at prices ranging from $88.93 to $89.25. 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 33,450 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059282 · doc4.xml · nonDerivative · entry 3

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,047

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 33,450 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059282 · doc4.xml · nonDerivative · entry 2

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,047

F2 · price: The shares were sold in multiple transactions at prices ranging from $89.25 to $89.80, 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.

F1 · balance_after: Shares held following the reported transactions include 33,450 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059282 · doc4.xml · nonDerivative · entry 1

CHEW LEWIS · CIK 0001224994 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,699

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 33,450 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059280 · doc4.xml · nonDerivative · entry 1

GOTCHER PETER C · CIK 0000935901 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,268

F1 · price: This transaction was executed in multiple trades at prices ranging from $87.4179 to $87.475. 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.

F2 · balance_after: Shares held following the reported transactions include 3,627 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059283 · doc4.xml · derivative · entry 7

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,000

Underlying: Class A Common Stock · 23,000 shares

Expires 2026-12-15

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.

F5 · derivative.exercise_date: This option was granted for a total of 46,000 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2016, the vesting commencement date, and the balance of the shares vest in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059283 · doc4.xml · derivative · entry 6

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 68,117 shares

Expires 2024-12-15

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.

F4 · derivative.exercise_date: This option was granted for a total of 68,117 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2014, the vesting commencement date, and the balance of the shares vest in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059283 · doc4.xml · nonDerivative · entry 5

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,250

F3 · price: The shares were sold in multiple transactions at prices ranging from $87.00 to $87.48, 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.

F1 · balance_after: Shares held following the reported transactions include 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059283 · doc4.xml · nonDerivative · entry 4

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,250

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 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059283 · doc4.xml · nonDerivative · entry 3

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,250

F1 · balance_after: Shares held following the reported transactions include 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059283 · doc4.xml · nonDerivative · entry 2

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,350

F2 · price: The shares were sold in multiple transactions at prices ranging from $86.61 to $87.60, 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.

F1 · balance_after: Shares held following the reported transactions include 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059283 · doc4.xml · nonDerivative · entry 1

Baker Giles · CIK 0001731843 · SVP, Consumer Entertainment

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,367

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 31,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059279 · doc4.xml · derivative · entry 7

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 834

Underlying: Class A Common Stock · 833 shares

Expires 2026-12-15

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.

F4 · derivative.exercise_date: This option was granted for a total of 40,000 shares of Class A Common. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 15, 2016, the vesting commencement date, and the balance of the shares vest in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 2

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,317.826

F1 · kind: This transaction was done pursuant to a Rule 10b5-1 trading plan.

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-059279 · doc4.xml · nonDerivative · entry 1

Forshay Steven E · CIK 0001315522 · SVP, Advanced Technology Group

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,150.826

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 · kind: This transaction was done pursuant to a Rule 10b5-1 trading plan.

F2 · balance_after: Shares held following the reported transactions include 9,250 restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001209191-20-057439 · 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: 250,386

Underlying: Class A Common Stock · 30,000 shares

Expires 2023-12-16

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.

F2 · derivative.exercise_date: This option was granted for a total of 287,265 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vested on the first anniversary of December 16, 2013, the vesting commencement date, and the balance of the shares vested in equal monthly installments over the next 36 months thereafter.

SEC source: 0001209191-20-057439 · doc4.xml · nonDerivative · 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: 32,895

SEC source: 0001209191-20-057439 · doc4.xml · nonDerivative · entry 1

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: 62,895

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.