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Core Natural Resources, Inc. (CNR)

Core Natural Resources, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Core Natural Resources, Inc. (CNR) is a Coal company based in US with a market capitalization of $4.5B. Revenue grew 93.8% year-over-year and the company generated $21.2M in free cash flow. This page tracks CNR's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.08K employees · IPO Nov 14, 2017

Valuation

Valuation & price

$82.77 · as of May 17, 2026 · -26.9% vs 52w high

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P/E ratio

Latest-FY diluted EPS

1.23

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$113$91.16$69.08Jul 25Dec 25Jul 26Jul 7, 25$70.75Jul 9, 25$69.08Jul 11, 25$75.60Jul 15, 25$73.58Jul 17, 25$75.34Jul 21, 25$77.33Jul 23, 25$81.71Jul 25, 25$78.14Jul 29, 25$76.70Jul 31, 25$73.81Aug 4, 25$76.56Aug 6, 25$75.46Aug 11, 25$75.23Aug 13, 25$74.76Aug 15, 25$71.00Aug 19, 25$69.84Aug 21, 25$69.75Aug 25, 25$72.87Aug 27, 25$72.80Aug 29, 25$74.26Sep 3, 25$71.28Sep 5, 25$75.55Sep 9, 25$72.48Sep 11, 25$72.18Sep 16, 25$77.42Sep 18, 25$77.20Sep 22, 25$74.91Sep 24, 25$82.95Sep 26, 25$82.80Sep 30, 25$83.48Oct 2, 25$85.80Oct 6, 25$88.45Oct 8, 25$97.71Oct 10, 25$96.48Oct 14, 25$99.95Oct 16, 25$92.89Oct 21, 25$85.84Oct 23, 25$83.53Oct 27, 25$81.88Oct 29, 25$78.54Oct 31, 25$79.00Nov 4, 25$76.66Nov 6, 25$86.52Nov 10, 25$88.16Nov 12, 25$88.03Nov 14, 25$82.37Nov 18, 25$80.39Nov 20, 25$76.56Nov 25, 25$77.96Nov 28, 25$80.00Dec 2, 25$77.81Dec 4, 25$84.04Dec 8, 25$81.80Dec 10, 25$83.75Dec 12, 25$84.99Dec 16, 25$83.05Dec 18, 25$89.10Dec 22, 25$88.51Dec 24, 25$89.11Dec 29, 25$89.55Jan 2, 26$89.89Jan 6, 26$91.23Jan 8, 26$93.97Jan 12, 26$97.75Jan 14, 26$97.71Jan 16, 26$97.11Jan 21, 26$101.44Jan 23, 26$99.21Jan 27, 26$96.91Jan 29, 26$95.86Feb 2, 26$90.01Feb 4, 26$90.42Feb 9, 26$94.45Feb 11, 26$92.67Feb 13, 26$91.51Feb 18, 26$88.96Feb 20, 26$87.94Feb 24, 26$88.83Feb 26, 26$85.14Mar 2, 26$86.99Mar 4, 26$93.77Mar 6, 26$86.90Mar 10, 26$91.35Mar 12, 26$100.04Mar 17, 26$98.78Mar 19, 26$107.10Mar 23, 26$103.15Mar 25, 26$110.57Mar 27, 26$113.23Mar 31, 26$104.73Apr 2, 26$104.25Apr 7, 26$99.93Apr 9, 26$88.23Apr 13, 26$89.70Apr 15, 26$89.31Apr 17, 26$85.97Apr 22, 26$89.58Apr 24, 26$85.80Apr 28, 26$89.37Apr 30, 26$89.74May 4, 26$88.16May 6, 26$87.77May 8, 26$84.91May 12, 26$85.89May 14, 26$84.08May 18, 26$83.87May 20, 26$83.06May 22, 26$84.07May 28, 26$93.95Jun 1, 26$93.17Jun 3, 26$96.43Jun 5, 26$93.44Jun 9, 26$91.27Jun 11, 26$90.01Jun 15, 26$87.73Jun 17, 26$86.60Jun 22, 26$82.13Jun 24, 26$80.83Jun 26, 26$81.77Jul 2, 26$78.97
$69.0852-week range$113.23
Loading valuation history…

Fundamentals

Key fundamentals

$4.5B

Market cap

93.8%

Revenue growth (YoY)

-0.0%

Gross margin

$21.2M

Free cash flow (USD)

-$78M

Net debt

Net cash position

73.2%

Share dilution

4/5

Graham criteria passed

Defensive-investor screen

Energy

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.1BFY 2017$1.3BFY 2018$1.5BFY 2019$1.4BFY 2020$879.5MFY 2021$1.3BFY 2022$2.3BFY 2023$2.5BFY 2024$2.1BFY 2025$4.2B
$1.1B$4.2B

Free cash flow by year

2016 → 2025

FY 2016$275.5MFY 2017$166.7MFY 2018$267.8MFY 2019$74.8MFY 2020$43.3MFY 2021$172.8MFY 2022$479.5MFY 2023$690.2MFY 2024$298.4MFY 2025$21.2M
$275.5M$21.2M

Gross margin by year

2021 → 2025

FY 202174.0%FY 202282.0%FY 202378.6%FY 202476.8%FY 2025-0.0%
74.0%-0.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventEarnings ReleaseJun 4, 2026Filing
  • 8-K eventMine Safety OrderMay 19, 2026Filing
  • 8-K eventEarnings ReleaseMay 7, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing
  • 8-K eventMine Safety Order IssuedMay 4, 2026Filing
  • 8-K eventDirector ElectionApr 30, 2026Filing

Questions

Frequently asked questions

What is Core Natural Resources, Inc.'s market cap?

Core Natural Resources, Inc. (CNR) has a market capitalization of $4.5B.

What is CNR's P/E ratio?

A meaningful P/E ratio is not available for CNR — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is CNR's price-to-book (P/B) ratio?

CNR trades at 1.23 times book value per share.

Are insiders buying CNR stock?

SEC Form 4 filings show no open-market insider buys at Core Natural Resources, Inc. in the last 90 days (0 sells).

Same arena

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.