Quick Takeaways
- James A. Mitarotonda has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $49,870,519.
- Recent insider filing activity is available below.
Insider Trading & Ownership of James A. Mitarotonda
- Location
- New York, NY
- Summary
- The estimated net worth of James A. Mitarotonda is at least $49,870,519 dollars as of 20 Mar 2026. James A. Mitarotonda is the Director of RAMBUS INC and owns shares of RAMBUS INC (RMBS) stock worth about $36.1M. James A. Mitarotonda is the Director, 10%+ Owner of EASTERN CO and owns shares of EASTERN CO (EML) stock worth about $13.77M.
- Signature
- /s/James A. Mitarotonda
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow James A. Mitarotonda 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: RAMBUS INC ($36,096,419).
- 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 James A. Mitarotonda
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| RMBS | RAMBUS INC | Director | $36,096,419 | 01 Apr 2022 | ||
| EML | EASTERN CO | Director, 10%+ Owner | $13,774,100 | +$344,788 | +2.6% | 18 Mar 2026 |
Insider Transactions Reported by James A. Mitarotonda:
| 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.