---
schema_version: "secwatch.filing_event.v1"
accession: "0001888524-26-016493"
form_type: "8-K"
ticker: null
cik: "0001634172"
company_name: "CSAIL 2015-C1 Commercial Mortgage Trust"
filed_at: "2026-09-01T20:24:53+00:00"
generated_at: "2026-09-01T20:26:18.787861+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# C-IV AM replaces Greystone as special servicer for CSAIL 2015-C1 trust

## Summary
- On Sept 1, 2026, Greystone sold its special servicing division to C-IV AM, which assumed all duties.
- C-IV AM rated MOR CS2 by Morningstar DBRS and CSS2 by Fitch; on S&P Select Servicer list.
- Portfolio transferred: ~1,928 loans, $20.7B principal, across 60 transactions (33 CMBS).
- C-IV AM has resolved 6,017 assets totaling $60.7B since 2002; no servicer defaults.
- No material changes to servicing policies; C-IV AM not affiliated with other parties.

## SEC filing metadata
- accession: 0001888524-26-016493
- form_type: 8-K
- cik: 0001634172
- company_name: CSAIL 2015-C1 Commercial Mortgage Trust
- filed_at: 2026-09-01T20:24:53+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 6.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1634172/000188852426016493/0001888524-26-016493-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1634172/000188852426016493/csc15sa1_8k-09012026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-26-016493
- JSON: https://secwatch.observer/filing/0001888524-26-016493.json
- Plain text: https://secwatch.observer/filing/0001888524-26-016493.txt

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