Robert J. Park - 12 May 2026 Form 4 Insider Report for Dolby Laboratories, Inc. (DLB)

Reporting relationship: SVP & Chief Financial Officer
Issuer ticker: DLB
Reported as of: 12 May 2026
Net transaction value: -$277,425
SEC form: 4
Accepted by SEC: 14 May 2026, 19:26:52 UTC
Prior SEC filing: 17 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Daniel Rodriguez as Attorney-in-Fact for Robert Park

Key filing fact

Robert J. Park filed Form 4 for Dolby Laboratories, Inc. (DLB) on 14 May 2026.

Key facts

This page summarizes Robert J. Park's Form 4 filing for Dolby Laboratories, Inc. (DLB).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 14 May 2026, 19:26.

Change

Previous filing in this sequence was filed on 17 Dec 2025.
Current net transaction value: -$277,425.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001887569 Primary reporting owner

Park Robert J

Relationship: SVP & Chief Financial Officer
Address: C/O DOLBY LABORATORIES, INC., 1275 MARKET STREET, SAN FRANCISCO
Signature: /s/ Daniel Rodriguez as Attorney-in-Fact for Robert Park
Signature date: 14 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DLB transaction

Class A Common Stock

Sale

Transaction value: $255,001
Shares: -4,504
Change %: -5.2%
Price: $56.62
Shares after: 81,881
Date: 12 May 2026
Ownership: Direct
Footnotes: F1, F2

DLB transaction

Class A Common Stock

Sale

Transaction value: $22,424
Shares: -391
Change %: -0.48%
Price: $57.35
Shares after: 81,490
Date: 12 May 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The shares were sold in multiple transactions at prices ranging from $56.335 to $57.13 , 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.

Footnote F2

Shares held following the reported transaction includes 48,874 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest.