{"filing":{"accession_number":"0001993004-26-000038","cik":"0001993004","ticker":"NWE","company_name":"NorthWestern Energy Group, Inc.","form":"8-K","filing_date":"2026-05-27","report_date":null,"primary_document":"nwe-20260527.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1993004/000199300426000038/nwe-20260527.htm"},"events":[{"id":8899,"run_id":7811,"accession_number":"0001993004-26-000038","anchor_item_number":"7.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"summary":"The disclosure announces investor conference participation and reaffirms 2026 non-GAAP earnings guidance of $3.68–$3.83 per diluted share. While guidance reaffirmation is material to investors, it does not fit cleanly into the standard taxonomy (not a new earnings release, not a guidance miss or material change). The Item 7.01 Regulation FD disclosure is primarily administrative notification of conference attendance, but the guidance reaffirmation elevates materiality.","company_name":"NorthWestern Energy Group, Inc.","ticker":"NWE","filing_date":"2026-05-27","form":"8-K","submitted_at":null,"items":[{"id":2119,"accession_number":"0001993004-26-000038","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure announces investor conference participation and reaffirms 2026 non-GAAP earnings guidance of $3.68–$3.83 per diluted share. While guidance reaffirmation is material to investors, it does not fit cleanly into the standard taxonomy (not a new earnings release, not a guidance miss or material change). The Item 7.01 Regulation FD disclosure is primarily administrative notification of conference attendance, but the guidance reaffirmation elevates materiality.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:42:07.453376+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":2119,"accession_number":"0001993004-26-000038","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"The disclosure announces investor conference participation and reaffirms 2026 non-GAAP earnings guidance of $3.68–$3.83 per diluted share. While guidance reaffirmation is material to investors, it does not fit cleanly into the standard taxonomy (not a new earnings release, not a guidance miss or material change). The Item 7.01 Regulation FD disclosure is primarily administrative notification of conference attendance, but the guidance reaffirmation elevates materiality.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-28T02:42:07.453376+00:00","company_name":"NorthWestern Energy Group, Inc.","ticker":"NWE","filing_date":"2026-05-27"}]}