UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~March~~May 67, 2026 ~~2025~~ Date of Report (Date of Earliest Event Reported)

Central Index Key Number of the issuing entity: 0001744707
BANK 2018-BNK13
(Exact name of issuing entity)

Central Index Key Number of the registrant: 0000850779
Wells Fargo Commercial Mortgage Securities, Inc.
(Exact name of registrant as specified in its charter)

Central Index Key Number of the sponsor: 0001541557
Morgan Stanley Mortgage Capital Holdings LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001102113
Bank of America, National Association
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0000740906
Wells Fargo Bank, National Association
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001577313
National Cooperative Bank, N.A.
(Exact name of sponsor as specified in its charter)

New York		333-206677-26		38-4083254 38-4083255 38-7206196
(State or other jurisdiction of incorporation of issuing entity)		(Commission File Number of issuing entity)		(I.R.S. Employer Identification Numbers)

c/o Computershare Trust Company, N.A., as agent for
Wells Fargo Bank, National Association
9062 Old Annapolis Road
Columbia, MD 21045
(Address of principal executive offices of the issuing entity) (Zip Code)

(212) 214-5600
Registrant's Telephone number, including area code

Former name or former address, if changed since last report: Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐ Emerging growth company

☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised Financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 6.02 Change of Servicer or Trustee.

~~The~~Pursuant ~~1745~~to ~~Broadway~~Section ~~Mortgage~~7.01(d) ~~Loan,~~of ~~which~~the pooling and ~~constituted~~servicing ~~approximately~~agreement, ~~9.96%~~dated as of August 1, 2018 (the ~~asset~~“Pooling ~~pool~~and ofServicing Agreement”), ~~the~~among ~~issuing~~Wells ~~entity~~Fargo asCommercial ofMortgage Securities, Inc., as ~~its~~depositor, ~~cut-off~~Trimont ~~date~~LLC, isas ansuccessor ~~asset~~to ofWells ~~the~~Fargo ~~issuing~~Bank, ~~entity~~National ~~and~~Association, as isgeneral ~~part~~master ofservicer, aMount ~~loan combination~~Street ~~that~~US is(Georgia) ~~being~~LLP ~~serviced~~(“MSUS”), ~~and~~as successor ~~administered~~to ~~under~~Torchlight ~~the~~Loan ~~trust~~Services, ~~and~~LLC (“Torchlight”), as general special ~~servicing~~servicer, ~~agreement~~National Cooperative Bank, ~~dated~~N.A., as ofNCB ~~July~~master 2servicer and as NCB special servicer, ~~2018~~Computershare Trust Company, ~~relating~~National toAssociation, ~~the~~acting as an agent for Wells Fargo Bank, National Association, as certificate ~~Commercial~~administrator, ~~Mortgage~~Wilmington Trust, ~~2018-1745~~National ~~filed~~Association, as ~~Exhibit~~trustee, ~~4.2~~and Pentalpha toSurveillance ~~the~~LLC, ~~registrant’s~~as operating advisor and as asset representations ~~Current~~reviewer, ~~Report~~relating onto ~~Form~~the ~~8-K~~issuing ~~filed~~entity onknown ~~August~~as 2,BANK 2018-BNK13 (the “~~WFCM 2018-1745 TSA~~Issuing Entity”)~~. Pursuant~~, toeffective ~~Section~~as of May 7~~.1(d)~~, of2026, ~~the~~MSUS ~~WFCM~~was ~~2018-1745~~removed ~~TSA,~~as ~~Argentic~~general ~~Services~~special servicer ~~Company~~and LPTorchlight, a Delaware limited ~~partnership~~ liability company, was ~~removed~~appointed as the successor general special servicer. In its capacity as general special servicer, ofTorchlight will be responsible for the ~~1745~~servicing ~~Broadway~~and ~~Mortgage~~administration of ~~Loan~~the Specially Serviced Loans and ~~CWCapital~~REO ~~Asset~~Properties ~~Management~~pursuant ~~LLC~~to the Pooling and Servicing Agreement (~~“CWCAM”~~except with respect to any Non-Serviced Mortgage Loans and any Excluded Loans), a ~~Delaware~~copy ~~limited~~of ~~liability~~which ~~company,~~ was ~~appointed~~filed as Exhibit 4.1 to the Current ~~successor~~Report ~~special~~on ~~servicer~~Form of8-K ~~the~~filed ~~1745~~by ~~Broadway~~the ~~Mortgage~~Issuing ~~Loan~~Entity ~~under~~with the ~~WFCM~~Securities and Exchange Commission on August 2, 2018~~-1745~~. Torchlight ~~TSA~~maintains its principal special servicing office at 90 Park Avenue, 20th Floor, New York, New York 10016 and its telephone number is 212-883-2800.

This Current Report on Form 8-K is being filed to record that, effective as of March 6, 2025, the 1745 Broadway Mortgage Loan will be specially serviced, if necessary, pursuant to the WFCM 2018-1745 TSA, by CWCAM. CWCAM maintains a servicing office at 900 19th Street NW, 8th Floor, Washington, D.C. 20006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Wells Fargo Commercial Mortgage Securities, Inc.
(Depositor)

/s/ Anthony J. Sfarra
Anthony J. Sfarra, President

Date: ~~March~~May 67, ~~2025~~2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549

FORM 8-K

CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Filing Compare · BANK 2018-BNK13