<div id="readability-page-1"><div><p><span>Sherman Mark A Vice President of Dolby Laboratories Inc [DLB] filed a Form 4 on December 3, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:</span></p><div><table><tbody><tr><th><span>Date</span></th><th><span>Transaction</span></th><th><span>Shares</span></th><th><span>Price</span></th><th><span>Value</span></th></tr><tr><td><span>12/1/25</span></td><td><span>Exercise(1)</span></td><td><span>4,500</span></td><td><span>$64.60</span></td><td><span>$290,700</span></td></tr><tr><td><span>12/1/25</span></td><td><span>Planned Sale(2)</span></td><td><span>4,500</span></td><td><span>$67.56</span></td><td><span>$304,036</span></td></tr></tbody></table></div><p><span>Ending Holdings: 62,397 - Direct</span></p><div><table><tbody><tr><td><span>(1)</span></td><td><span>Exercised 16 days before expiration date.</span></td></tr><tr><td><span>(2)</span></td><td><span>Executed pursuant to a prearranged trading plan (10b5-1).</span></td></tr></tbody></table></div><p><span>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.</span></p><p><span>Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data.</span></p><span> </span></div></div>

<p>VP Sherman of Dolby Laboratories Inc sold 4,500 shares worth $304K, as disclosed in a Form 4 filed with the SEC. The transaction included an exercise of options and a planned sale under a 10b5-1 trading plan. Sherman's ending holdings are 62,397 shares.</p>

VP Sherman Sells 4,500 ($304K) Of Dolby Laboratories Inc [DLB]