---
schema_version: "secwatch.filing_event.v1"
accession: "0001888524-26-016512"
form_type: "8-K"
ticker: null
cik: "0001698685"
company_name: "BANK 2017-BNK4"
filed_at: "2026-09-02T13:08:56+00:00"
generated_at: "2026-09-02T13:10:19.672314+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# C-IV AM becomes special servicer for Davenport Mortgage Loan after Greystone sale

## Summary
- Greystone sold substantially all special servicing assets to C-IV AM on Sept 1, 2026; C-IV AM assumes duties.
- 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 UPB; $2.1B in active special servicing.
- C-IV AM has resolved 6,017 assets totaling ~$60.7B since 2002; no material legal proceedings.
- C-IV AM is wholly-owned by C-IV Capital Partners; key employees transferred from Greystone.

## SEC filing metadata
- accession: 0001888524-26-016512
- form_type: 8-K
- cik: 0001698685
- company_name: BANK 2017-BNK4
- filed_at: 2026-09-02T13:08:56+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 6.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1698685/000188852426016512/0001888524-26-016512-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1698685/000188852426016512/wcm17bk4_8k-09012026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-26-016512
- JSON: https://secwatch.observer/filing/0001888524-26-016512.json
- Plain text: https://secwatch.observer/filing/0001888524-26-016512.txt

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