Form4insider filings, from the source

Company · CIK 0001308547 · SIC 6794 — Patent Owners & Lessors · NYSE

Dolby Laboratories, Inc. · DLB

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $468k · 1net −$468k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 AForm 4 →Sep 17, 5:08 pm EDTMarc WhittenPresident and CEO, Director160,256——160,256—
Sep 15, 2026 AForm 4 →Sep 17, 5:05 pm EDTJohn D CoulingSVP, Entertainment48,076——166,803—
Sep 15, 2026 AForm 4 →Sep 17, 5:03 pm EDTMark Andrew ShermanEVP, Gen. Counsel & Secretary48,076——119,024—
Sep 1, 2026 SForm 4 →Sep 3, 7:33 pm EDTJohn D CoulingSVP, Entertainment7,667$61.05$468,032118,727−6.07%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 7:33 pm EDTJohn D CoulingSVP, Entertainment7,667$45.50$348,849126,394—10b5-1
Aug 28, 2026 CGForm 4 →Aug 28, 6:02 pm EDTDagmar Dolby +110% Owner600,000——0—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 AForm 4 →Sep 17, 5:08 pm EDTMarc WhittenPresident and CEO, Director600,000——600,000—
Sep 1, 2026 MForm 4 →Sep 3, 7:33 pm EDTJohn D CoulingSVP, Entertainment7,667——7,667—10b5-1
Aug 28, 2026 CGForm 4 →Aug 28, 6:02 pm EDTDagmar Dolby +110% Owner4,300,000——4,372,117—