secwatch.observer — SEC 8-K summary ====================================== Issuer: NorthWestern Energy Group, Inc. (NWE) CIK: 0001993004 Form: 8-K Filed at: 2026-06-22T14:47:07+00:00 Accession: 0001993004-26-000046 Event type: debt Sentiment: neutral Materiality: 0.55 Item codes: 1.01, 2.03, 9.01 LLM model: deepseek-v4-flash:cloud@v2 NorthWestern Energy subsidiary issues $150M in 5.51% First Mortgage Bonds due 2036 -------------------------------------------------------------------------------- - Issued $150M aggregate principal of South Dakota First Mortgage Bonds on June 15, 2026. - Bonds carry a 5.51% interest rate and mature on June 15, 2036. - Bonds rank equally with all current and future first-mortgage-secured debt. - NWE Public Service may redeem bonds at any time prior to maturity at a make-whole price. - Proceeds used for general corporate purposes; issuance exempt from SEC registration. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000046/0001993004-26-000046-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000046/nwe-20260615.htm HTML page: https://secwatch.observer/filing/0001993004-26-000046 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer