BANK 2017-BNK4 – Deal Overview & Connected Data
Explore verified charts, linked entities, and recent activity for this CMBS deal. Data last updated December 2, 2025.2025-12-02
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Quick Answer
What is BANK 2017-BNK4? A US commercial mortgage-backed security ($1.0B; 54 loans; 71 properties).
Identifiers: Series bank2017-bnk4; CIK 1698685.
Unique value: Dealcharts provides computed pool metrics, time-series performance analysis, and cross-deal comparisons not available in raw SEC EDGAR filings.
Sources: SEC EDGAR CIK 1698685.
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Who's Involved#
Rating AgenciesMoodys, Fitch, KBRA
Controlling ClassRREF III Debt AIV, LP or another affiliate of Rialto Capital Advisors, LLC.
DepositorWells Fargo Commercial Mortgage Securities, Inc.
Certificate AdministratorComputershare Trust Company, N.A.
Special ServicerRialto Capital Advisors
Certificate AdministratorWells Fargo Bank, N.A.
Operating AdvisorPentalpha Surveillance
TrusteeWilmington Trust, National Association
Master ServicerTrimont Real Estate Advisors
Master ServicerWells Fargo Bank, National Association
Deal Metrics
Key performance indicators and statistics tracking the deal's current status and history.Deal Overview
Original Trust Amount
$1,009,263,000Current Trust Amount
$840,612,037Number of Loans
54Number of Properties
71Average Loan Size
$20,597,204Portfolio Characteristics
Weighted Average Interest Rate
4.8%Weighted Average Term
114 monthsOriginal Valuation
$3,687,650,000Current Valuation
$3,477,010,000Key Dates
Origination Date
3/22/2017Latest Valuation
11/25/2022Latest Transfer
5/15/2025Latest Return
3/29/2023Latest Modification
10/13/2021Special Servicing Status
Loans in Special Servicing
2Special Servicing Balance
$102,761,595Loans Returned to Master
2Balance Returned
$38,310,606Avg Time in Special Servicing
754 daysAvg Time to Return
940 daysValuation Changes
Updated Valuations
2Total Updated Value
$66,900,000Value Change Amount
-$6,000,000Value Change Percentage
-40.5%Modifications
Number of Modifications
4Modified Balance
$76,808,542Deal Charts
Visual analytics and interactive charts showing the deal's performance over time. Track key metrics like balance, delinquency rates, and special servicing status through interactive visualizations.
Fund Exposure#
Source: NPORT-P & related disclosures • 2025-08-27| Fund Name | Filing Date | FIGI | LEI | Tranches | Total Value | Reporting Period |
|---|---|---|---|---|---|---|
| Short-Term Bond Fund of America | 2025-10-27 | Search FIGI | Lookup LEI | A-3, A-4 | $13,574,917 | 2025-08-31 |
| Intermediate Bond Fund of America | 2025-10-27 | Search FIGI | Lookup LEI | A-3 | $11,330,230 | 2025-08-31 |
| DoubleLine Total Return Bond Fund | 2025-11-25 | Search FIGI | Lookup LEI | X-A, C | $3,642,555 | 2026-03-31 |
| Bond Fund of America | 2025-11-24 | Search FIGI | Lookup LEI | A-3, A-4 | $3,263,868 | 2025-12-31 |
| Multi-Manager Total Return Bond Strategies Fund | 2025-10-28 | Search FIGI | Lookup LEI | A-4 | $2,384,759 | 2025-08-31 |
| VOYA SECURITIZED CREDIT FUND | 2025-08-25 | Search FIGI | Lookup LEI | D | $1,184,205 | 2026-03-31 |
| NYLI VP Income Builder Portfolio | 2025-11-24 | Search FIGI | Lookup LEI | C | $460,092 | 2025-12-31 |
| Voya Balanced Income Portfolio | 2025-08-26 | Search FIGI | Lookup LEI | D | $385,114 | 2025-12-31 |
| Guggenheim Total Return Bond Fund | 2025-08-27 | Search FIGI | Lookup LEI | X-A | $193,803 | 2025-09-30 |
| Thrivent Ultra Short Bond ETF | 2025-11-26 | Search FIGI | Lookup LEI | A-SB | $157,213 | 2025-09-30 |
| Fund Name | Tranches | Ids |
|---|---|---|
| Short-Term Bond Fund of America $13,574,917 2025-08-31 | A-3, A-4 | Search FIGI Lookup LEI |
| Intermediate Bond Fund of America $11,330,230 2025-08-31 | A-3 | Search FIGI Lookup LEI |
| DoubleLine Total Return Bond Fund $3,642,555 2026-03-31 | X-A, C | Search FIGI Lookup LEI |
| Bond Fund of America $3,263,868 2025-12-31 | A-3, A-4 | Search FIGI Lookup LEI |
| Multi-Manager Total Return Bond Strategies Fund $2,384,759 2025-08-31 | A-4 | Search FIGI Lookup LEI |
| VOYA SECURITIZED CREDIT FUND $1,184,205 2026-03-31 | D | Search FIGI Lookup LEI |
| NYLI VP Income Builder Portfolio $460,092 2025-12-31 | C | Search FIGI Lookup LEI |
| Voya Balanced Income Portfolio $385,114 2025-12-31 | D | Search FIGI Lookup LEI |
| Guggenheim Total Return Bond Fund $193,803 2025-09-30 | X-A | Search FIGI Lookup LEI |
| Thrivent Ultra Short Bond ETF $157,213 2025-09-30 | A-SB | Search FIGI Lookup LEI |
10 of 10 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.
* 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.
Provenance & Documents
Issuance → amendments → reports. Tap to view on SEC.Context & Commentary#
Entity Statements
💬 Servicer Commentary
2025-07-29
Key Center Cleveland
Malisse J. Sinito
Prospectus ID: 10
Borrower indicated it has raised new equity for the property which is expected to fund in Q1 2025. Special Servicer continues to monitor the loan and collateral as well as review any Borrower requests that come in. Special Servicer continues to monitort he pending capex-leasing funding, which remains outstanding as of 4/30/2025. Borrower has negotiated an extension of TI obligations with the tenant, Benesch. Current property occupancy is 89.5%.
💬 Servicer Commentary
2025-07-29
Portfolio (3 Office properties)
Prospectus ID: 1
Loan has recently transferred to SS, Lender sent out PNL and requested DD. Borrower has executed the PNL and is preparing DD
External Analysis
No external analysis linked yet. Become a Verified Contributor to publish and link your research.Have a source-backed note on this deal? Add verified context and help the market ground analysis in citations.
Datasets & API#
Machine-readable spec (ODPS): /odps/cmbs-deals.yamlGET https://api.dealcharts.org/deals/bank2017-bnk4
{
"deal_id": "bank2017-bnk4",
"issuer": "",
"shelf": "",
"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": "Depositor",
"name": "Wells Fargo Commercial Mortgage Securities, Inc."
},
{
"role": "Certificate Administrator",
"name": "Computershare Trust Company, N.A."
},
{
"role": "Special Servicer",
"name": "Rialto Capital Advisors"
},
{
"role": "Certificate Administrator",
"name": "Wells Fargo Bank, N.A."
},
{
"role": "Operating Advisor",
"name": "Pentalpha Surveillance"
},
{
"role": "Trustee",
"name": "Wilmington Trust, National Association"
},
{
"role": "Master Servicer",
"name": "Trimont Real Estate Advisors"
},
{
"role": "Master Servicer",
"name": "Wells Fargo Bank, National Association"
}
]
}Access the underlying datasets used to power these analytics.

CMBS Fund Holdings Dataset
Filing data from sec.gov NPORT-P to produce the Fund Holdings table.
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