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AI brief of an SEC Form 8-K · Core Natural Resources (CNR)

Core Natural Resources posts $36.6 million Q2 net loss; raises synergy target

Mixed Impact 3 of 5 earnings Written later

Core Natural Resources reported a second-quarter 2025 net loss of $36.6 million, or $0.70 per diluted share, on revenues of $1,102.4 million, with adjusted EBITDA of $144.3 million. The company generated free cash flow of $131.1 million, returned $87.1 million to stockholders, and raised its annual synergy target to $150 million to $170 million, though Leer South longwall production has yet to resume.

Key points

  • Q2 2025 net loss of $36.6 million, or $0.70 per diluted share; revenues of $1,102.4 million.
  • Adjusted EBITDA of $144.3 million, including $21.2 million of Leer South fire extinguishment and idle mine costs.
  • Free cash flow of $131.1 million; $87.1 million returned to stockholders, including $81.9 million in share repurchases.
  • Annual synergy target raised to between $150 million and $170 million.

The filing

CompanyCore Natural Resources (CNR)
Form8-K, current report
Filed with the SECAug 5, 2025, 6:55 AM ET
Accession number0001193125-25-173024

Items reported: 2.02 Results of Operations7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:01 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on August 05, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.