John Rothka
Chief Accounting Officer · Core Natural Resources, Inc.
- 2025
- Mar 19, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Rothka files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- James A. Brock - $4.12M in CNR purchases and sales in the last 12 months
- Rosemary L. Klein - $1.60M in CNR purchases and sales in the last 12 months
- Richard A. Navarre - $550K in CNR purchases and sales in the last 12 months
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Frequently asked questions
Who is John Rothka?
John Rothka is a corporate insider, tracked as Chief Accounting Officer of Core Natural Resources, Inc. (CNR). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John Rothka last file a Form 4?
The most recent primary Form 4 on record is dated 19 March 2026, one of 6 filings going back to 2025.
Has John Rothka been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($866K) across all tracked filings.
