Quick Takeaways
- John Rothka has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $506,855.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of John Rothka
- Location
- Canonsburg, PA
- Summary
- The estimated net worth of John Rothka is at least $506,855 dollars as of 19 Mar 2026. John Rothka is the Chief Accounting Officer of Core Natural Resources, Inc. and owns shares of Core Natural Resources, Inc. (CNR) stock worth about $506.9K.
- Signature
- /s/ Rosemary L. Klein, Attorney-in-Fact for John Rothka
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow John Rothka 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: Core Natural Resources, Inc. ($506,855).
- Past-year value change for that position: -$865,816.
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 John Rothka
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CNR | Core Natural Resources, Inc. | Chief Accounting Officer | $506,855 | -$865,816 | -63% | 17 Mar 2026 |
Insider Transactions Reported by John Rothka:
| 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.