Quick Takeaways
- Roger S. Siboni has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,136,082.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Roger S. Siboni
- Location
- San Mateo, CA
- Summary
- The estimated net worth of Roger S. Siboni is at least $3,136,082 dollars as of 28 Feb 2023. Roger S. Siboni is the Director of Dolby Laboratories, Inc. and owns shares of Dolby Laboratories, Inc. (DLB) stock worth about $3.14M.
- Signature
- /s/ Jon Stueve, Authorized Signatory for: Roger S. Siboni
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Roger S. Siboni and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Dolby Laboratories, Inc. ($3,136,082).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Roger S. Siboni
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| DLB | Dolby Laboratories, Inc. | Director | $3,136,082 | 08 Feb 2022 | ||
| COUP | Coupa Software Inc | Director | 28 Feb 2023 |
Insider Transactions Reported by Roger S. Siboni:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.