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

May 6, 2020

Date of Report (Date of Earliest Event Reported)

Central Index Key Number of issuing entity:  0001716187

Wells Fargo Commercial Mortgage Trust 2017-C40  

(Exact name of issuing entity)

Central Index Key Number of registrant:  0000850779

Wells Fargo Commercial Mortgage Securities, Inc.
(Exact name of registrant as specified in its charter)

Central Index Key Number of sponsor:  0000312070

Barclays Bank PLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0000740906

Wells Fargo Bank, National Association
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0001592182

LMF Commercial, LLC (formerly known as Rialto Mortgage Finance, LLC)
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor:  0001541214

C-III Commercial Mortgage LLC
(Exact name of sponsor as specified in its charter)

c/o Wells Fargo Bank, National Association

as Certificate Administrator

9062 Old Annapolis Road

Columbia, MD

(Address of principal executive offices of issuing entity)

(704) 374-6161

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:

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

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

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

o  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:

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).

o Emerging growth company

o 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.

Effective May 6, 2020 and pursuant to Section 7.01 of the pooling and servicing agreement, dated as of June 1, 2017, relating to Morgan Stanley Capital I Trust 2017-H1 and filed as Exhibit 99.9 to the Current Report on Form 8-K filed on October 17, 2017 (the “MSC 2017-H1 PSA”), out of which the iStar Leased Fee Portfolio Mortgage Loan and the Magnolia Hotel Denver Mortgage Loan (collectively representing approximately 4.8% of the initial principal balance of the mortgage pool) are being serviced, LNR Partners, LLC was removed as special servicer and Argentic Services Company LP (“ASC”), a Delaware limited partnership, was appointed as the successor special servicer. ASC maintains its principal special servicing office at 500 North Central Expressway, Suite 261, Plano, Texas 75074 and its telephone number is 469-609-2000.

Also effective May 6, 2020 and pursuant to Section 7.01 of the pooling and servicing agreement, dated as of August 1, 2017, relating to the Wells Fargo Commercial Mortgage Trust 2017-C39 and filed as Exhibit 99.5 to the Form 8-K filed by the Issuing Entity with the Securities and Exchange Commission on October 17, 2017 (the “WFCM 2017-C39 PSA”), out of which the 225 & 233 Park Avenue South Mortgage Loan (approximately 8.5% of the initial principal balance of the mortgage pool) is being serviced, LNR Partners, LLC was removed as special servicer and ASC was appointed as the successor special servicer.

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.