---
schema_version: "secwatch.filing_event.v1"
accession: "0001888524-26-016681"
form_type: "8-K"
ticker: null
cik: "0001792905"
company_name: "CSAIL 2019-C18 Commercial Mortgage Trust"
filed_at: "2026-09-21T17:53:52+00:00"
generated_at: "2026-09-21T17:55:08.346128+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Special servicer replaced for ILPT Industrial Portfolio Mortgage Loan; Argentic appointed

## Summary
- Situs Holdings, LLC removed as special servicer for ILPT Industrial Portfolio Mortgage Loan, effective Sept 21, 2026.
- Argentic Services Company LP appointed successor special servicer under MSC 2019-L3 PSA.
- ILPT Industrial Portfolio Mortgage Loan constitutes ~5.0% of CSAIL 2019-C18 asset pool as of cut-off date.
- Argentic's principal office: 740 East Campbell Rd, Suite 600, Richardson, TX 75081.

## SEC filing metadata
- accession: 0001888524-26-016681
- form_type: 8-K
- cik: 0001792905
- company_name: CSAIL 2019-C18 Commercial Mortgage Trust
- filed_at: 2026-09-21T17:53:52+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1792905/000188852426016681/0001888524-26-016681-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1792905/000188852426016681/csc19c18_8k-09212026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-26-016681
- JSON: https://secwatch.observer/filing/0001888524-26-016681.json
- Plain text: https://secwatch.observer/filing/0001888524-26-016681.txt

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