---
schema_version: "secwatch.filing_event.v1"
accession: "0001539497-26-001709"
form_type: "8-K"
ticker: null
cik: "0002134864"
company_name: "JPMF1 Multifamily Mortgage Trust 2026-FX1"
filed_at: "2026-06-10T16:48:13+00:00"
generated_at: "2026-06-10T16:49:09.324385+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# JPMF1 Multifamily Mortgage Trust 2026-FX1 closes $648.9M securitization

## Summary
- Public certificates aggregate principal $648.9M; net proceeds ~$656.5M after $6.4M expenses.
- Backed by 17 multifamily mortgage loans purchased from sponsor MF1 REIT III FR TRS LLC.
- Risk retention over 5% via horizontal residual interest held by MF1 affiliate; fair value $37.4M.
- Underwriters included J.P. Morgan Securities, ATLAS SP (Apollo), Goldman Sachs, and Santander.

## SEC filing metadata
- accession: 0001539497-26-001709
- form_type: 8-K
- cik: 0002134864
- company_name: JPMF1 Multifamily Mortgage Trust 2026-FX1
- filed_at: 2026-06-10T16:48:13+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2134864/000153949726001709/0001539497-26-001709-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2134864/000153949726001709/n5898_x20-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001539497-26-001709
- JSON: https://secwatch.observer/filing/0001539497-26-001709.json
- Plain text: https://secwatch.observer/filing/0001539497-26-001709.txt

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