{"filing":{"accession_number":"0001888524-26-016551","cik":"0001699462","ticker":null,"company_name":"Wells Fargo Commercial Mortgage Trust 2017-RB1","form":"8-K","filing_date":"2026-09-02","report_date":"2026-09-01","primary_document":"wcm17rb1_8k-09012026.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1699462/000188852426016551/wcm17rb1_8k-09012026.htm"},"events":[{"id":31231,"run_id":28650,"accession_number":"0001888524-26-016551","anchor_item_number":"6.02","event_type":"governance_other","event_domain":"governance","is_material":true,"confidence":0.85,"summary":"This Item 6.02 discloses a change of servicer in a CMBS trust: Greystone Servicing Company LLC sold its special servicing division to C-IV Asset Management LLC, which assumed all duties and liabilities as special servicer effective September 1, 2026. The transaction involves a substantial portfolio ($20.7 billion aggregate principal balance across 60 transactions) and continuity of key personnel. While the servicer change is administrative in nature, it is material to certificateholders as it affects the governance and operational management of the trust's assets and the party responsible for loan servicing and workout decisions.","company_name":"Wells Fargo Commercial Mortgage Trust 2017-RB1","ticker":null,"filing_date":"2026-09-02","form":"8-K","submitted_at":null,"items":[{"id":34051,"accession_number":"0001888524-26-016551","item_number":"6.02","item_title":"Change of Servicer or Trustee.","event_type":"governance_other","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"This Item 6.02 discloses a change of servicer in a CMBS trust: Greystone Servicing Company LLC sold its special servicing division to C-IV Asset Management LLC, which assumed all duties and liabilities as special servicer effective September 1, 2026. The transaction involves a substantial portfolio ($20.7 billion aggregate principal balance across 60 transactions) and continuity of key personnel. While the servicer change is administrative in nature, it is material to certificateholders as it affects the governance and operational management of the trust's assets and the party responsible for loan servicing and workout decisions.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-02T14:10:37.259347+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":34051,"accession_number":"0001888524-26-016551","item_number":"6.02","item_title":"Change of Servicer or Trustee.","event_type":"governance_other","event_domain":"governance","is_material":true,"confidence":0.85,"reasoning":"This Item 6.02 discloses a change of servicer in a CMBS trust: Greystone Servicing Company LLC sold its special servicing division to C-IV Asset Management LLC, which assumed all duties and liabilities as special servicer effective September 1, 2026. The transaction involves a substantial portfolio ($20.7 billion aggregate principal balance across 60 transactions) and continuity of key personnel. While the servicer change is administrative in nature, it is material to certificateholders as it affects the governance and operational management of the trust's assets and the party responsible for loan servicing and workout decisions.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-02T14:10:37.259347+00:00","company_name":"Wells Fargo Commercial Mortgage Trust 2017-RB1","ticker":null,"filing_date":"2026-09-02"}]}