{"schema_version":"secwatch.filing_event.v1","accession":"0001888524-26-016528","form_type":"8-K","ticker":null,"cik":"0001638933","company_name":"Wells Fargo Commercial Mortgage Trust 2015-C28","filed_at":"2026-09-02T13:26:38+00:00","discovered_at":"2026-09-02T13:28:10.248705+00:00","generated_at":"2026-09-02T13:28:24.174853+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 AM acquires Greystone's special servicing; becomes special servicer for WFCM 2015-C28","bullets":["Greystone sold its special servicing division to C-IV AM on Sept 1, 2026; C-IV AM assumes all special servicer duties for the trust.","C-IV AM rated MOR CS2 (Morningstar DBRS) and CSS2 (Fitch); on S&P Select Servicer list with 'Average; Ranking Watch Positive'.","As of 6/30/26, Greystone's portfolio: 60 transactions, $20.7B UPB; 33 CMBS deals with $14.2B; 108 assets ($2.1B) in active special servicing.","C-IV AM has resolved 6,017 assets totaling ~$60.7B since 2002; no servicer defaults or termination events.","C-IV AM is a wholly-owned subsidiary of C-IV Capital Partners; affiliate of C-III Commercial Mortgage LLC, a loan seller in the trust."],"urls":{"canonical":"https://secwatch.observer/filing/0001888524-26-016528","json":"https://secwatch.observer/filing/0001888524-26-016528.json","markdown":"https://secwatch.observer/filing/0001888524-26-016528.md","text":"https://secwatch.observer/filing/0001888524-26-016528.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1638933/000188852426016528/0001888524-26-016528-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1638933/000188852426016528/wcm15c28_8k-09012026.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-02T13:28:24.174853+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"}