{"schema_version":"secwatch.filing_event.v1","accession":"0001888524-26-016551","form_type":"8-K","ticker":null,"cik":"0001699462","company_name":"Wells Fargo Commercial Mortgage Trust 2017-RB1","filed_at":"2026-09-02T14:09:20+00:00","discovered_at":"2026-09-02T14:10:19.556853+00:00","generated_at":"2026-09-02T14:10:30.218897+00:00","sec_items":["6.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"C-IV Asset Management becomes special servicer for WFCM 2017-RB1 after Greystone sale","bullets":["On Sept 1, 2026, Greystone sold its special servicing division to C-IV AM, which assumed all special servicer duties for the trust.","C-IV AM rated MOR CS2 (Morningstar DBRS) and CSS2 (Fitch); on S&P Select Servicer list.","As of 6/30/26, Greystone's portfolio: ~60 transactions, $20.7B principal; ~108 assets ($2.1B) in active special servicing.","C-IV AM has resolved 6,017 assets totaling ~$60.7B since 2002; no servicer event of default.","C-IV AM is affiliate of C-III High Yield Real Estate Debt Fund IV, which is directing certificateholder (potential conflict)."],"urls":{"canonical":"https://secwatch.observer/filing/0001888524-26-016551","json":"https://secwatch.observer/filing/0001888524-26-016551.json","markdown":"https://secwatch.observer/filing/0001888524-26-016551.md","text":"https://secwatch.observer/filing/0001888524-26-016551.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1699462/000188852426016551/0001888524-26-016551-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1699462/000188852426016551/wcm17rb1_8k-09012026.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-02T14:10:30.218897+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}