---
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"
generated_at: "2026-09-02T13:28:24.174853+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# C-IV AM acquires Greystone's special servicing; becomes special servicer for WFCM 2015-C28

## Summary
- 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.

## SEC filing metadata
- accession: 0001888524-26-016528
- form_type: 8-K
- cik: 0001638933
- company_name: Wells Fargo Commercial Mortgage Trust 2015-C28
- filed_at: 2026-09-02T13:26:38+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 6.02
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-26-016528
- JSON: https://secwatch.observer/filing/0001888524-26-016528.json
- Plain text: https://secwatch.observer/filing/0001888524-26-016528.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.