X0508 4 2025-12-15 0001308547 Dolby Laboratories, Inc. DLB 0001767009 Nicholson Ryan C/O DOLBY LABORATORIES, INC. 1275 MARKET STREET SAN FRANCISCO CA 94103 false true false false VP, CAO and Corp. Controller false Class A Common Stock 2025-12-15 4 A false 9032 0 A 39140 D Class A Common Stock 2025-12-15 4 F false 1535 67.54 D 37605 D Class A Common Stock 2025-12-16 4 F false 649 66.62 D 36956 D Award represents a total of 9,032 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, 2025. Each unit represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting. Shares held following the reported transactions include 25,470 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. Shares include 313 and 37 shares acquired under the Issuer's Employee Stock Purchase Plan on May 15, 2025 and November 17, 2025, respectively. In accordance with Rule 16b-3, shares reported as disposed of were withheld by the Issuer in a transaction exempt from Section 16(b) and not issued to the reporting person in order to cover withholding taxes incidental to the vesting of restricted stock units. Shares held following the reported transactions include 21,135 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. Shares held following the reported transactions include 19,303 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. /s/ Daniel Rodriguez, Attorney-in-Fact for Ryan Nicholson 2025-12-17