Quick Takeaways
- Julia C. Mattis has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $3,967,769.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Julia C. Mattis
- Location
- Conshohocken, PA
- Summary
- The estimated net worth of Julia C. Mattis is at least $3,967,769 dollars as of 24 Apr 2026. Julia C. Mattis is the Chief Licensing Officer of InterDigital, Inc. and owns shares of InterDigital, Inc. (IDCC) stock worth about $3.97M.
- Signature
- /s/ Ariel E. Greenstein, Attorney-in-Fact for Julia C. Mattis
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Julia C. Mattis 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: InterDigital, Inc. ($3,967,769).
- 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 Julia C. Mattis
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| IDCC | InterDigital, Inc. | Chief Licensing Officer | $3,967,769 | 22 Apr 2026 |
Insider Transactions Reported by Julia C. Mattis:
| 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.