---
schema_version: "secwatch.filing_event.v1"
accession: "0001888524-25-019590"
form_type: "8-K"
ticker: null
cik: "0001634172"
company_name: "CSAIL 2015-C1 Commercial Mortgage Trust"
filed_at: "2025-11-13T23:59:59+00:00"
generated_at: "2026-05-16T20:25:17.274208+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# CSAIL 2015-C1 Trust makes $3.3M additional distribution to Class A-S after curtailment

## Summary
- Additional principal payment of $3,287,521.48 to Class A-S Certificateholders on November 12, 2025.
- Payment stems from a curtailment on the 500 Fifth Avenue Mortgage Loan (Loan 2) received by Master Servicer on November 11, 2025.
- Initial distribution on October 20, 2025 did not include this curtailment; supplemental payment followed notification.
- Curtailment reduces outstanding balance of the 500 Fifth Avenue loan within the CSAIL 2015-C1 trust.

## SEC filing metadata
- accession: 0001888524-25-019590
- form_type: 8-K
- cik: 0001634172
- company_name: CSAIL 2015-C1 Commercial Mortgage Trust
- filed_at: 2025-11-13T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 6.04
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1634172/000188852425019590/0001888524-25-019590-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1634172/000188852425019590/csc15sa1_8k-11112025.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001888524-25-019590
- JSON: https://secwatch.observer/filing/0001888524-25-019590.json
- Plain text: https://secwatch.observer/filing/0001888524-25-019590.txt

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