Recent 8-K filings for NWE

• July 30, 2026, 7:14 AM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01

  NorthWestern Energy Q2 GAAP EPS $0.40, adjusted $0.50; affirms FY guidance $3.68-$3.83

  Q2 2026 GAAP diluted EPS $0.40 vs $0.35 in Q2 2025; adjusted non-GAAP EPS $0.50 vs $0.40.

• April 30, 2026, 7:59 PM ET earnings materiality 0.65 positive item 2.02item 7.01item 9.01 ◈ Earnings Releases

  NorthWestern Energy Q1 adjusted EPS $1.31 vs $1.22; affirms 2026 guidance $3.68-$3.83

  GAAP net income $63.5M ($1.03 EPS) vs $76.9M ($1.25) YoY; adjusted EPS $1.31 vs $1.22.

• April 3, 2026, 7:59 PM ET M&A materiality 0.75 positive item 5.07item 8.01item 9.01

  NorthWestern shareholders approve merger with Black Hills; Bright Horizon Energy to be formed

  52.4M shares voted for merger adoption (99.9% of votes cast); 85% of outstanding shares participated.

• February 12, 2026, 6:59 PM ET earnings materiality 0.80 positive item 2.02item 7.01item 9.01

  NorthWestern Energy 2025 adj EPS $3.58, guides 2026 $3.68-$3.83, raises dividend 1.5%

  2025 GAAP diluted EPS $2.94 (2024: $3.65); adjusted non-GAAP EPS $3.58 (2024: $3.40).

• October 30, 2025, 7:59 PM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01

  NorthWestern Energy Q3 adjusted EPS $0.79 vs $0.65 YoY; affirms FY2025 guidance $3.53-$3.65

  Q3 GAAP EPS $0.62 vs $0.76 YoY; net income $38.2M vs $46.8M.

• August 19, 2025, 7:59 PM ET M&A materiality 0.85 positive item 7.01item 9.01

  Black Hills & NorthWestern to merge in all-stock deal; combined EV ~$15.4B

  Fixed exchange ratio: 0.98 BKH shares per NWE share; ~4% premium based on March VWAP.

• August 19, 2025, 7:59 PM ET M&A materiality 0.85 neutral item 1.01item 5.02item 5.03item 7.01item 9.01 ◈ Governance Changes

  NorthWestern (NWE) and Black Hills (BKH) sign all-stock merger; NWE shareholders get 0.98 BKH share

  All-stock merger: each NWE share receives 0.98 BKH share; combined company NewCo to be based in Rapid City, SD.

• July 31, 2025, 7:59 PM ET earnings materiality 0.65 negative item 2.02item 7.01item 9.01

  NorthWestern Energy Q2 GAAP EPS $0.35 vs $0.52 YoY; guides FY25 $3.53-$3.65

  Net income $21.2M ($0.35 diluted EPS) vs $31.7M ($0.52) in Q2 2024.

• April 30, 2025, 7:59 PM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01

  NorthWestern Energy Q1 GAAP EPS $1.25, up from $1.06; net income $76.9M

  GAAP diluted EPS $1.25 (Q1 2024: $1.06); net income $76.9M vs $65.1M.

• March 27, 2025, 7:59 PM ET debt materiality 0.60 neutral item 1.01item 2.03item 9.01 ◈ Debt Financings

  NW Corp issues $400M of 5.073% First Mortgage Bonds due 2030

  $400M principal, 5.073% interest, matures March 21, 2030; semi-annual interest starting Sep 21, 2025.

• February 13, 2025, 6:59 PM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01

  NorthWestern Energy Q4 GAAP EPS $3.65 vs $3.22 YoY; dividend raised 1.5%

  2024 diluted GAAP EPS $3.65, up from $3.22 in 2023; adjusted non-GAAP EPS $3.40 vs $3.27.

• October 30, 2024, 7:59 PM ET earnings materiality 0.65 negative item 2.02item 7.01item 9.01

  NorthWestern Energy Q3 GAAP EPS $0.76; cuts 2024 guidance to $3.32-$3.47

  Q3 GAAP net income $46.8M ($0.76/diluted share) vs $29.3M ($0.48) in Q3 2023.

• August 2, 2024, 7:59 PM ET M&A materiality 0.75 neutral item 1.01item 9.01

  NWE to acquire PSE's 25% Colstrip interest for $0; ownership to rise to 40%/70% of Units 3/4 by Dec 31, 2025

  Acquisition price is $0; NWE assumes operational costs from Jan 1, 2026; PSE retains pre-closing environmental and pension liabilities.

• July 31, 2024, 7:59 PM ET earnings materiality 0.85 positive item 2.02item 7.01item 9.01

  NWE Q2 EPS $0.52 vs $0.32 YoY; to buy Energy West Montana gas assets and Puget's Colstrip stake

  GAAP diluted EPS $0.52 (net income $31.7M) vs $0.32 ($19.1M) in Q2 2023; adjusted EPS $0.53 vs $0.35.

• July 15, 2024, 7:59 PM ET regulatory materiality 0.75 neutral item 7.01item 8.01item 9.01

  NorthWestern Energy files rate reviews seeking $194.7M annual revenue increase across four jurisdictions

  Montana electric rate review seeks $156.5M base increase ($69.4M net) from $874M plant investment; typical bill +$2.09/mo interim, +$9.11/mo final.

• April 26, 2024, 7:59 PM ET earnings materiality 0.60 positive item 2.02item 7.01item 9.01 ◈ Earnings Releases

  NorthWestern Energy Q1 GAAP EPS $1.06 up from $1.05; affirms 2024 guidance, declares $0.65 dividend

  GAAP diluted EPS $1.06 vs $1.05 in Q1 2023; net income $65.1M up from $62.5M.

• April 18, 2024, 7:59 PM ET debt materiality 0.60 neutral item 1.01item 2.03item 9.01 ◈ Debt Financings

  NorthWestern Energy enters $100M term loan with U.S. Bank; due April 2025

  Borrowed $100M under unsecured term loan with U.S. Bank National Association.

• February 15, 2024, 6:59 PM ET earnings materiality 0.70 positive item 2.02item 7.01item 9.01 ◈ Earnings Releases

  NorthWestern Energy beats 2023 adj EPS guidance; raises dividend to $0.65

  GAAP net income $194.1M, diluted EPS $3.22 vs $3.25 prior year.

Executive changes

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.85 · Median 0.50 · Most common event other_material

11 positive 2 negative 37 neutral

source · NWE on sec.gov