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NorthWestern Energy Group stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+36.0% to $82.73
NorthWestern Energy Group (NWE) stock rose 36% over the last 252 sessions, to $82.73. On the way it reported 4 quarters, its insiders filed no open-market trades (10b5-1 plan sales aside), and the company filed 4 material 8-Ks. 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 -20.9% | 0.0% (+4.5% vs SPY) | — | — |
| Jul 29, 2026 | Earnings | Earnings: beat the EPS estimate by 15.0% | −2.4% (−0.8% vs SPY) | −3.4% (−7.5% vs SPY) | −0.2% (−3.6% vs SPY) |
| Jun 22, 2026 | 8-K | Material definitive agreement | +0.1% (+0.4% vs SPY) | +4.9% (+7.4% vs SPY) | +2.7% (+2.5% vs SPY) |
| Jun 2, 2026 | 8-K | Material definitive agreement | +2.3% (+2.1% vs SPY) | +2.3% (+4.9% vs SPY) | +5.6% (+7.0% vs SPY) |
| Apr 30, 2026 | Earnings | Earnings: beat the EPS estimate by 1.3% | +1.4% (+0.4% vs SPY) | −0.4% (−3.5% vs SPY) | −1.0% (−7.1% vs SPY) |
| Feb 17, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.2% (−1.7% vs SPY) | +0.2% (−0.4% vs SPY) | −1.7% (+1.5% vs SPY) |
| Feb 12, 2026 | Earnings | Earnings: missed the EPS estimate by -1.5% | +0.5% (+2.1% vs SPY) | +0.1% (+1.2% vs SPY) | +1.0% (+5.4% vs SPY) |
| Nov 13, 2025 | 8-K | Material definitive agreement | −0.2% (−0.1% vs SPY) | +0.6% (+3.6% vs SPY) | +3.1% (+1.8% vs SPY) |
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
| 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 → NorthWestern Energy Group: 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.