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CMBS dealSpecial servicing active

BANK 2017-BNK4

As of 10/27/2026Source: SEC EDGAR, CIK 1698685
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Collateral metrics, filing comparisons, transaction parties, and fund holdings for BANK 2017-BNK4.

Material changes

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Context brief

Quick Answer

What is BANK 2017-BNK4? A US commercial mortgage-backed security issued March 2017 ($1.0B; 48 loans; 70 properties).

Identifiers: Shelf BANK; Series bank2017-bnk4; CIK 1698685.

On Dealcharts: Pool metrics, performance over time, and comparisons across deals, calculated from SEC EDGAR filings.

Sources: SEC EDGAR CIK 1698685.

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Part of:2017 VintageBANK ShelfRialto Capital Advisors (Special Servicer)
Machine-readable data: https://dealcharts.org/llm/facts/bank2017-bnk4.json · API docs
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Deal exhibit

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The deal page is the exhibit. Source filings, facts endpoints, per-deal datasets, holder maps, charts, and receipt routes appear here only when the underlying source exists for this deal.
On this page:Entities10Metrics34Charts15Macro Context1Fund Holdings2Documents6Analysis & Commentary2

Who's Involved#

Rating AgenciesMoodys, Fitch, KBRA
Controlling ClassRREF III Debt AIV, LP or another affiliate of Rialto Capital Advisors, LLC.
TrusteeWilmington Trust, National Association
DepositorWells Fargo Commercial Mortgage Securities, Inc.
Master ServicerTrimont Real Estate Advisors
Certificate AdministratorWells Fargo Bank, N.A.
Master ServicerWells Fargo Bank, National Association
Certificate AdministratorComputershare Trust Company, N.A.
Special ServicerRialto Capital Advisors
Operating AdvisorPentalpha Surveillance

Deal Metrics

Key performance indicators and statistics tracking the deal's current status and history.

Deal Overview

Aggregate Original Loan Amount
Current Trust Amount
Number of Loans
Number of Properties
Average Loan Size

Portfolio Characteristics

Weighted Average Interest Rate
Weighted Average Term
WA DSCR (NCF) at Issuance
WA DSCR (NCF) Current
Original Valuation
Current Valuation

Key Dates

Origination Date
Latest Valuation
Latest Transfer
Latest Return
Latest Modification

Special Servicing Status

Loans in Special Servicing
Special Servicing Balance
Loans Returned to Master
Balance Returned
Avg Time in Special Servicing
Avg Time to Return

Valuation Changes

Updated Valuations
Total Updated Value
Value Change Amount
Value Change Percentage

Modifications

Number of Modifications
Modified Balance

Deal Charts

Charts showing deal performance over time.

Geographic Distribution - BANK 2017-BNK4 - All States
2026-10-27

Fund Exposure#

Source: NPORT-P & related disclosures • 2026-07-29
Fund NameFiling DateFIGILEITranchesTotal ValueReporting Period
Intermediate Bond Fund of America2026-07-29Search FIGILookup LEIA-3$11,394,4532026-08-31
Bond Fund of America2026-08-27Search FIGILookup LEIA-4, A-3$3,271,4732026-12-31
Fund NameTranchesIds
Intermediate Bond Fund of America
$11,394,453
2026-08-31
A-3Search FIGI
Lookup LEI
Bond Fund of America
$3,271,473
2026-12-31
A-4, A-3Search FIGI
Lookup LEI
2 of 2 funds* Use toggle buttons to sort
* This table is not yet exhaustive. It is a new feature and contains only the funds we have found so far based on the tranche identifiers we know about. We are still working on it!
* The FIGI Search url provided for each fund will link you to the OpenFIGI search page to lookup FIGI identifiers.
* Reporting Period represents the reporting period end date from the NPORT-P filing.
* For full disclosures, please visit our disclosures page.
Filings are mapped to tranches/deals with normalized identifiers.Quality & lineageFund not listed or misattributed? Contact us at support@cmdrvl.com to ensure accurate exposure mapping.

Provenance & Documents

Issuance → amendments → reports. Tap to view on SEC.
2026-10-27
Latest
Monthly Remittance Report
Document filing with updated information.
View on SEC →
2017-06-06
Pooling and Servicing Agreement (PSA)
Document filing with updated information.
View on SEC →
2017-04-19
Final Prospectus
Document filing with updated information.
View on SEC →
2017-03-29
Annex A
Document filing with updated information.
View on SEC →
2017-03-29
Final Termsheet
Document filing with updated information.
View on SEC →
2017-03-29
Preliminary Prospectus
Document filing with updated information.
View on SEC →

Context & Commentary#

Curious about data-center or AI-tenant exposure across CMBS collateral? See AI & data-center exposure →

Entity Statements

💬 Servicer Commentary

2026-06-29
Portfolio (3 Office properties)
Prospectus ID: 1
Operating expenses are being funded from the CMA on a monthly basis. The Special Servicer continues to monitor property performance as the March 1, 2027 maturity date approaches.
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💬 Servicer Commentary

2026-06-29
Key Center Cleveland
Malisse J. Sinito
Prospectus ID: 10
The Loan remains current as of 6/1/2026. The Borrower indicated it is exploring all its options to raise new equity in anticipation of the maturity in February 2027. The Borrower submitted FF&E and capital expenditure requests which the Lender is processi ng in the normal course of business and the office tower remains 90% occupied. The Lender is also awaiting additional Property Improvement Plans for the hotel.
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External Analysis

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Monitoring
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Datasets & API#

GET https://dealcharts.org/llm/facts/bank2017-bnk4.json
{
  "deal_id": "bank2017-bnk4",
  "issuer": "",
  "shelf": "BANK",
  "issue_date": "",
  "linked_entities": [
  {
    "role": "Rating Agencies",
    "name": "Moodys, Fitch, KBRA"
  },
  {
    "role": "Controlling Class",
    "name": "RREF III Debt AIV, LP or another affiliate of Rialto Capital Advisors, LLC."
  },
  {
    "role": "Trustee",
    "name": "Wilmington Trust, National Association"
  },
  {
    "role": "Depositor",
    "name": "Wells Fargo Commercial Mortgage Securities, Inc."
  },
  {
    "role": "Master Servicer",
    "name": "Trimont Real Estate Advisors"
  },
  {
    "role": "Certificate Administrator",
    "name": "Wells Fargo Bank, N.A."
  },
  {
    "role": "Master Servicer",
    "name": "Wells Fargo Bank, National Association"
  },
  {
    "role": "Certificate Administrator",
    "name": "Computershare Trust Company, N.A."
  },
  {
    "role": "Special Servicer",
    "name": "Rialto Capital Advisors"
  },
  {
    "role": "Operating Advisor",
    "name": "Pentalpha Surveillance"
  }
]
}


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