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Built in Paris. Public sources across 43 markets: AMF France, SEC EDGAR Form 4 US, BaFin Germany, SIX SER Switzerland, RNS United Kingdom, SEDI Canada, Consob Italy, CNMV Spain, AFM Netherlands, FSMA Belgium, Oslo Bors Norway, Nasdaq Helsinki, Nasdaq Copenhagen, ASX Australia, FMA Austria, CVM Brazil, HKEX Hong Kong, BSE-Sofia Bulgaria, Tadawul Saudi Arabia, DART South Korea, EDINET Japan, SSE and SZSE China, SEBI India, KNF Poland, PSE Philippines, NZX New Zealand, JSE South Africa, among others. Prices + fundamentals via Yahoo Finance, STOXX 600 sector ETFs (iShares Xetra). Stack: Next.js 16, Prisma, Vercel. Live out-of-sample tracker since 2026-05-16. Methodology audits: /methodologie and /docs/method-review/.

Sources: official public filings under MAR Art.19 (EU and EEA), SEC Section 16 / Form 4 (US), Art.56 SESTA (CH, SIX SER), NI 55-104 / SEDI (CA), Corporations Act s205G (AU) and equivalent regimes. Signals on this site are for educational use only and do not constitute investment advice within the meaning of MiFID II / SEC Reg-IA. Past performance does not guarantee future results. Swiss SIX SER filings are anonymised by law (role only, no name).

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DD

Dolby Dagmar

Other

USUS·SEC (Form 4)

Dolby Laboratories, Inc.Dolby Laboratories, Inc.

0

Total declarations

0

Companies

—

▲ Purchases (0 ops.)

—

▼ Sales (36 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

36

T+90 hit rate

0%

T+90 mean return

-10.5%

Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Discover the full record of transactions filed by Dolby Dagmar. Insider active across 2 companies, notably Dolby Laboratories, Inc.. Aggregated, 75 filings have been recorded. Breakdown: 0 buy · 36 sells. Activity tracked since 1 June 2021. The latest transaction was filed on 19 February 2025 (C). Regulator: SEC (Form 4). All data is openly available.

Declarations75 total

●

Executives·19 Feb 2025·Dolby Laboratories, Inc.

510,000 shares0Class A Common StockSEC:0000950170-25-024962:0

●

Executives·21 Nov 2024·Dolby Laboratories, Inc.

500,000 shares0Class A Common StockSEC:0000950170-24-130315:0

●

Executives·13 May 2024·Dolby Laboratories, Inc.

415,000 shares0Class B Common StockSEC:0000950170-24-060752:0

●

Executives·1 Jun 2021·Dolby Laboratories, Inc.

21,000 shares0Class A Common StockSEC:0001209191-21-037860

●

Executives·1 Jun 2021·Dolby Laboratories, Inc.

21,000 shares0Class A Common StockSEC:0001209191-21-037860:0

●

10% Owner·Executives·11 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:0

▼

10% Owner·Executives·11 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:1

●

10% Owner·Executives·11 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:2

▼

10% Owner·Executives·11 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:3

●

10% Owner·Executives·12 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:4

▼

10% Owner·Executives·12 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:5

●

10% Owner·Executives·12 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:6

▼

10% Owner·Executives·12 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-098692:7

●

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:0

▼

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

12,430 sharesClass A Common StockSEC:0001209191-16-097655:1

▼

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

12,570 sharesClass A Common StockSEC:0001209191-16-097655:2

●

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:3

▼

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

12,282 sharesClass A Common StockSEC:0001209191-16-097655:4

▼

10% Owner·Executives·9 Feb 2016·Dolby Laboratories, Inc.

12,718 sharesClass A Common StockSEC:0001209191-16-097655:5

●

10% Owner·Executives·10 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:6

▼

10% Owner·Executives·10 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:7

●

10% Owner·Executives·10 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:8

▼

10% Owner·Executives·10 Feb 2016·Dolby Laboratories, Inc.

25,000 sharesClass A Common StockSEC:0001209191-16-097655:9

●

10% Owner·Executives·5 Feb 2016·Dolby Laboratories, Inc.

1,423 sharesClass A Common StockSEC:0001209191-16-096810:0

▼

10% Owner·Executives·5 Feb 2016·Dolby Laboratories, Inc.

1,423 sharesClass A Common StockSEC:0001209191-16-096810:1

25 of 75 declarations

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Dolby Laboratories, Inc.

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Directeur Financier

GOTCHER PETER C