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Core Natural Resources stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−7.9% to $79.31
Core Natural Resources (CNR) stock fell 8% over the last 252 sessions, to $79.31. On the way it reported 5 quarters, its insiders filed no open-market trades (10b5-1 plan sales aside), and the company filed 1 material 8-K. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 5, 2026 | Earnings | Earnings: missed the EPS estimate by -71.6% | −6.5% (−1.9% vs SPY) | — | — |
| Aug 19, 2026 | 8-K | Directors and officers: departures, appointments, pay | +1.4% (+1.2% vs SPY) | +5.2% (+5.4% vs SPY) | +1.5% (+2.1% vs SPY) |
| Aug 6, 2026 | Earnings | Earnings: beat the EPS estimate by 292.4% | +7.3% (+7.4% vs SPY) | +12.6% (+12.3% vs SPY) | +15.3% (+14.9% vs SPY) |
| May 7, 2026 | Earnings | Earnings: beat the EPS estimate by 39.3% | +0.9% (+1.2% vs SPY) | −6.3% (−7.5% vs SPY) | +6.4% (+5.9% vs SPY) |
| Feb 12, 2026 | Earnings | Earnings: missed the EPS estimate by -160.8% | −2.9% (−1.3% vs SPY) | −2.9% (−1.8% vs SPY) | +6.6% (+11.0% vs SPY) |
| Nov 6, 2025 | Earnings | Earnings: beat the EPS estimate by 170.3% | +10.8% (+11.9% vs SPY) | +12.6% (+11.7% vs SPY) | +7.1% (+5.9% vs SPY) |
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Core Natural Resources: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.