Who
Dagmar Dolby
10% owner
Company insider
Files Form 4 as: 10% owner, Dolby Laboratories.
In numbers
- Trades disclosed
- 1,604
- Buys
- 0
- Sells
- 254
- Bought
- $0
- Sold
- $478.5M
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 1 Aug 2011
- Last trade
- 2 Oct 2026
- Last filed
- 2 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 2 Oct 2026filed 2 Oct 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —24,108,162 at $0.00 | filing |
| 2 Oct 2026filed 2 Oct 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —24,108,162 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code C | —300,000 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code G | —300,000 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —2,000,000 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —1,000,000 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —1,000,000 at $0.00 | filing |
| 28 Aug 2026filed 28 Aug 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code C | —300,000 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code C | —10,000 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code G | —10,000 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —1,000,000 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code G | —1,000,000 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code C | —10,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code C | —380,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code G | —380,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code C | —380,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code C | —380,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code C | —380,000 at $0.00 | filing |
| 11 Feb 2026filed 13 Feb 2026 | DLB Dolby LaboratoriesFunds, Shells & SPACs | SEC FORM 4 Code G | —380,000 at $0.00 | filing |
| 13 May 2024filed 15 May 2024 | DLB Dolby Laboratoriesoption or derivative · Funds, Shells & SPACs | SEC FORM 4 Code C | —415,000 at $0.00 | filing |
The newest 500 lines are listed; the numbers count every line.
News
Dolby Laboratories and EVM Cinemas introduce Keralam's first Dolby Cinema in Fort KochiDLB · fonearena.com · 19 Oct 2026Dolby Laboratories $DLB Holdings Reduced by Ninety One UK LtdDLB · dailypolitical.com · 16 Oct 2026
0 headlines in the last 90 days name Dagmar Dolby; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.