---
schema_version: "secwatch.filing_event.v1"
accession: "0001888524-26-011073"
form_type: "8-K"
ticker: null
cik: "0001716602"
company_name: "CSAIL 2017-CX9 Commercial Mortgage Trust"
filed_at: "2026-06-25T16:44:03+00:00"
generated_at: "2026-06-25T16:45:13.777593+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# CSAIL 2017-CX9 replaces special servicer for 5.2% Allergan HQ loan; Torchlight appointed

## Summary
- Rialto Capital Advisors removed as special servicer for Allergan HQ Mortgage Loan.
- Torchlight Loan Services appointed successor special servicer, effective June 25, 2026.
- Allergan HQ Mortgage Loan represents approximately 5.2% of the trust's asset pool.
- Change made pursuant to Section 3.24(a) of the pooling and servicing agreement.

## SEC filing metadata
- accession: 0001888524-26-011073
- form_type: 8-K
- cik: 0001716602
- company_name: CSAIL 2017-CX9 Commercial Mortgage Trust
- filed_at: 2026-06-25T16:44:03+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1716602/000188852426011073/0001888524-26-011073-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1716602/000188852426011073/csc17cx9_8k-06252026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-26-011073
- JSON: https://secwatch.observer/filing/0001888524-26-011073.json
- Plain text: https://secwatch.observer/filing/0001888524-26-011073.txt

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