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

Date of Report (Date of earliest event reported) ~~September 26~~October 22, 2025

BMO 2025-C13 Mortgage Trust

(Exact name of issuing entity)

(Central Index Key number of issuing entity: 0002061838)

BMO Commercial Mortgage Securities LLC

(Exact name of the depositor as specified in its charter)

(Central Index Key number of depositor: 0001861132)

Bank of Montreal

(Central Index Key number: 0000927971)

German American Capital Corporation

(Central Index Key number: 0001541294)

KeyBank National Association

(Central Index Key number: 0001089877)

Goldman Sachs Mortgage Company

(Central Index Key number: 0001541502)

Citi Real Estate Funding Inc.

(Central Index Key number: 0001701238)

JPMorgan Chase Bank, National Association

(Central Index Key number: 0000835271)

Zions Bancorporation, N.A.

(Central Index Key number: 0000109380)

BSPRT CMBS Finance, LLC

(Central Index Key number: 0001722518)

LMF Commercial, LLC

(Central Index Key number: 0001592182)

Starwood Mortgage Capital LLC

(Central Index Key number: 0001548405)

Greystone Commercial Mortgage Capital LLC

(Central Index Key number: 0001931347)

(Exact name of sponsors as specified in their charters)

Delaware	333-280224-10	86-2713125
(State or other jurisdiction	(Commission File Number	(IRS Employer Identification
of incorporation of depositor)	of issuing entity)	No. of depositor)

151 West 42nd Street
New York, New York	10036
(Address of principal executive offices of depositor)	(Zip Code of depositor)

Depositor’s telephone number, including area code (212) 885-4000

Not Applicable ~~(Former name or former address, if changed since last report.)~~

(Former name or former address, if changed since last report.)

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

None

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 8.01.

Other Events.

On ~~September~~October 2622, 2025, ~~BMO Capital Markets Corp.~~ (the “~~BMO~~Closing ~~Capital Markets~~Date”), ~~Citigroup~~BMO ~~Global~~Commercial ~~Markets~~Mortgage ~~Inc.~~Securities LLC (the “~~CGMI~~Depositor”), ~~Deutsche~~caused ~~Bank~~the ~~Securities Inc. (“DBSI”)~~issuance, ~~Goldman~~pursuant to ~~Sachs~~a &Pooling ~~Co.~~and ~~LLC~~Servicing ~~(“GS&Co.”)~~Agreement, ~~J.P.~~dated ~~Morgan~~as ~~Securities~~of ~~LLC~~October ~~(“JPMS”)~~1, ~~KeyBanc~~2025 ~~Capital~~(the ~~Markets~~“Pooling ~~Inc.~~and ~~(“KeyBanc~~Servicing ~~Capital~~Agreement”), between ~~Academy~~the ~~Securities~~Depositor, ~~Inc.~~as ~~(“Academy”)~~Depositor, ~~Bancroft~~Midland ~~Capital~~Loan Services, ~~LLC~~a ~~(“Bancroft”)~~Division of PNC Bank, ~~Drexel~~National ~~Hamilton~~Association, ~~LLC~~as ~~(“Drexel”)~~Master ~~and~~Servicer, ~~Mischler~~Rialto ~~Financial~~Capital ~~Group~~Advisors, LLC, ~~Inc.~~as ~~(“Mischler”~~Special ~~and~~Servicer, ~~together~~Pentalpha inSurveillance ~~such~~LLC, ~~capacity~~as ~~with~~Operating ~~BMO~~Advisor ~~Capital~~and ~~Markets,~~as ~~CGMI~~Asset Representations Reviewer, ~~DBSI~~Citibank, ~~GS&Co~~N.A., ~~JPMS~~as Certificate Administrator, ~~KeyBanc~~and ~~Capital,~~Wilmington ~~Academy,~~Savings ~~Bancroft~~Fund ~~and~~Society, ~~Drexel~~FSB, ~~the~~as ~~“Underwriters”)~~Trustee, ~~entered~~of ~~into~~the anBMO ~~underwriting~~2025-C13 ~~agreement~~Mortgage ~~with~~Trust, ~~BMO~~ Commercial Mortgage ~~Securities~~Pass-Through Certificates, ~~LLC~~Series 2025-C13 (the “~~Depositor~~Certificates”)~~, dated~~. ~~September~~Capitalized ~~26,~~terms ~~2025~~used ~~(the~~but ~~“Underwriting~~not ~~Agreement”),~~defined anherein ~~executed~~shall ~~version~~have ofthe ~~which~~meanings assigned isto ~~attached~~them ~~hereto~~in asthe ~~Exhibit~~Pooling 1,and ~~with~~Servicing ~~respect~~Agreement. toThe ~~the~~Pooling ~~sale~~and ofServicing ~~the~~Agreement ~~Public~~was ~~Certificates~~attached (as ~~defined~~Exhibit ~~below)~~4.1 ~~scheduled~~ to ~~occur~~the onDepositor’s Current orReport ~~about~~on ~~October~~Form 228-K/A, ~~2025~~filed (with the ~~“Closing~~Securities ~~Date”).~~and ~~The~~Exchange ~~Public~~Commission ~~Certificates~~(the ~~are~~“Commission”) ~~expected~~on toOctober ~~have~~22, an2025 under ~~aggregate~~Commission ~~initial~~File ~~principal~~No. ~~amount of approximately $723,980,000~~333-280224-10.

The ~~Depositor~~Certificates ~~also~~consist of ~~entered~~the ~~into~~following anclasses, ~~agreement~~designated toas ~~sell~~(i) the ~~Private~~Class ~~Certificates (as defined below)~~A-1, ~~having~~Class ~~an aggregate initial principal amount of approximately $90~~A-4,~~213,332,~~ toClass ~~BMO Capital Markets~~A-5, ~~CGMI,~~Class ~~DBSI~~A-SB, ~~GS&Co.,~~Class ~~JPMS~~X-A, ~~KeyBanc~~Class ~~Capital~~X-B, ~~Academy,~~Class ~~Bancroft~~A-S, ~~Drexel~~Class B and ~~Mischler~~Class ~~(collectively~~C inCertificates ~~such capacity~~(collectively, the “~~Initial~~Public ~~Purchasers~~Certificates”), ~~pursuant~~and to(ii) athe ~~certificate~~Class ~~purchase agreement~~X-D, ~~dated~~Class asD, ofClass ~~September~~E-RR, 26Class F-RR, ~~2025~~Class ~~(the~~G-RR, ~~“Certificate~~Class ~~Purchase Agreement”)~~J-RR, ~~among~~Class ~~the~~K-RR, ~~Depositor~~Class L-RR and ~~the~~Class ~~Initial~~R ~~Purchasers. The Private~~ Certificates ~~will~~(collectively, ~~be sold in a transaction exempt from registration under~~ the ~~Securities~~“Private ~~Act of 1933, as amended, pursuant to Section 4(a~~Certificates”)~~(2) of the Act~~.

OnAll orof ~~about~~ the ~~Closing~~Public ~~Date~~Certificates, having ~~the~~an ~~Depositor~~aggregate isinitial ~~expected~~principal toamount ~~cause~~of ~~the~~$723,980,000, ~~issuance~~were ofsold ~~the~~to BMO ~~2025-C13~~Capital ~~Mortgage~~Markets ~~Trust~~Corp. (“BMO Capital Markets”), Citigroup ~~Commercial~~Global ~~Mortgage~~Markets ~~Pass-Through~~Inc. ~~Certificates~~(“CGMI”), ~~Series~~Deutsche ~~2025-C13~~Bank Securities Inc. (~~the~~“DBSI”), Goldman Sachs & Co. LLC (“~~Certificates~~GS&Co.”), ~~pursuant~~J.P. toMorgan aSecurities ~~Pooling~~LLC (“JPMS”), KeyBanc Capital Markets Inc. (“KeyBanc Capital”), Academy Securities, Inc. (“Academy”), Bancroft Capital, LLC (“Bancroft”), Drexel Hamilton, LLC (“Drexel”) and ~~Servicing~~Mischler Financial Group, Inc. (“Mischler” and, together with BMO Capital Markets, CGMI, DBSI, GS&Co., JPMS, KeyBanc Capital, Academy, Bancroft and Drexel, in such capacity, the “Underwriters”), pursuant to an Underwriting Agreement, dated as of ~~October~~September 126, 2025, (the “~~Pooling~~Underwriting ~~and Servicing~~ Agreement”), between the Depositor, and asthe ~~depositor~~Underwriters. BMO Capital Markets, ~~Midland~~CGMI, ~~Loan~~DBSI, ~~Services~~GS&Co., aJPMS ~~Division~~and KeyBanc Capital are acting as co-lead managers in connection with the offering of ~~PNC~~the ~~Bank,~~Public ~~National~~Certificates. ~~Association~~The Public Certificates were offered by the Underwriters for sale to the public, aspursuant to ~~master~~the ~~servicer~~Depositor’s Preliminary Prospectus, ~~Rialto~~dated ~~Capital~~September ~~Advisors~~22, ~~LLC~~2025, asand ~~special~~by ~~servicer~~the Prospectus, ~~Pentalpha~~dated ~~Surveillance~~September ~~LLC~~26, as2025 ~~operating~~(the ~~advisor~~“Prospectus”), in ~~and~~negotiated astransactions ~~asset~~or ~~representations~~otherwise ~~reviewer,~~at ~~Citibank,~~varying Nprices determined at the time of sale.~~A.,~~ asIn ~~certificate~~connection ~~administrator~~with the issuance, and ~~Wilmington~~sale ~~Savings~~to the ~~Fund Society~~Underwriters, ~~FSB~~of the Public Certificates, asa ~~trustee.~~legal ~~The~~opinion ~~Pooling~~was rendered related to the validity of, and ~~Servicing~~certain ~~Agreement~~federal income tax considerations relating to, the Public Certificates, which legal opinion is attached hereto as Exhibit 45.1. ~~Capitalized~~The ~~terms~~Prospectus ~~used~~was ~~but not~~filed ~~defined~~with ~~herein shall have~~ the ~~meanings~~Commission ~~assigned~~on toSeptember ~~them~~30, in2025 ~~the~~under ~~Pooling~~Commission ~~and~~File ~~Servicing~~Number ~~Agreement~~333-280224-10.

~~The~~All of the Private Certificates, having ~~will~~an ~~consist~~aggregate ofinitial ~~the~~principal ~~following~~amount ~~classes~~of $90,213,332, ~~designated~~were assold ~~(i)~~to ~~the~~BMO ~~Class~~Capital ~~A-1~~Markets, ~~Class~~CGMI, ~~A-4~~DBSI, ~~Class~~GS&Co., ~~A-5~~JPMS, ~~Class~~KeyBanc ~~A-SB~~Capital, Academy, ~~Class~~Bancroft, ~~X-A~~Drexel and Mischler (together with BMO Capital Markets, ~~Class~~CGMI, ~~X-B~~DBSI, ~~Class~~GS&Co., ~~A-S~~JPMS, ~~Class~~KeyBanc BCapital, Academy, Bancroft and ~~Class~~Drexel, Cin ~~Certificates~~such ~~(collectively~~capacity, the “~~Public~~Initial ~~Certificates~~Purchasers”), ~~and~~pursuant ~~(ii)~~to ~~the~~a ~~Class~~Purchase ~~X-D~~Agreement, ~~Class~~dated D,as ~~Class~~of ~~E-RR~~September 26, 2025 ~~Class~~between ~~F-RR,~~the ~~Class~~Depositor ~~G-RR,~~and ~~Class~~the ~~J-RR,~~Initial ~~Class~~Purchasers. ~~K-RR,~~The ~~Class~~Private ~~L-RR~~Certificates ~~and~~were ~~Class~~sold Rin ~~Certificates~~private ~~(collectively,~~placement transactions exempt from registration under the ~~“Private~~Securities ~~Certificates~~Act of 1933, as amended (the “Act”), pursuant to Section 4(a)(2) of the Act.

~~BMO~~The ~~Capital~~net ~~Markets,~~proceeds ~~CGMI,~~of ~~DBSI, GS&Co., JPMS and KeyBanc Capital are acting as co-lead managers in connection with~~ the sale ~~offering~~ of the ~~Public~~ Certificates. ~~The Public Certificates~~ were ~~offered~~applied byto the ~~Underwriters~~purchase ~~for~~of ~~sale to~~ the ~~public,~~Mortgage ~~pursuant~~Loans toby the Depositor’s ~~Preliminary~~from ~~Prospectus,~~Bank ~~dated~~of ~~September~~Montreal 22(“BMO”), BSPRT ~~2025~~CMBS Finance, ~~and~~LLC, byCiti ~~the~~Real ~~Prospectus~~Estate Funding Inc., ~~dated~~German ~~September~~American 26Capital Corporation, ~~2025~~Goldman ~~(the~~Sachs ~~“Prospectus”)~~Mortgage Company, Greystone inCommercial ~~negotiated~~Mortgage ~~transactions~~Capital orLLC, ~~otherwise~~JPMorgan atChase ~~varying~~Bank, ~~prices~~National ~~determined~~Association, atKeyBank ~~the~~National ~~time of sale.~~Association,

~~The~~LMF ~~Certificates~~Commercial, ~~represent~~LLC, inStarwood ~~the~~Mortgage ~~aggregate~~Capital LLC and Zions Bancorporation, ~~the~~N.A. ~~entire~~The ~~beneficial~~net ~~ownership~~proceeds into the ~~BMO~~Depositor ~~2025-C13~~of ~~Mortgage~~the ~~Trust~~offering (of the ~~“Issuing Entity”)~~Certificates, aafter ~~common~~deducting ~~law~~expenses ~~trust~~payable by ~~fund~~the toDepositor bein ~~formed~~connection ~~under~~with the ~~laws~~issuance and distribution of the ~~State~~Certificates of ~~New~~approximately ~~York~~$5,766,444.78, ~~pursuant~~were toapproximately $837,078,363.20. Of the ~~Pooling~~expenses ~~and~~paid ~~Servicing~~by ~~Agreement~~the Depositor, approximately $353,526.00 ~~The~~were ~~assets~~paid directly to affiliates of the ~~Issuing~~Depositor, ~~Entity~~approximately $80,000.00 ~~consist~~in ~~primarily~~the form of 47fees ~~fixed-rate~~were ~~mortgage~~paid ~~loans~~to (the ~~“Mortgage~~Underwriters ~~Loans”) secured~~and bythe ~~first~~Initial ~~liens~~Purchasers, onapproximately ~~various~~$116,930.46 ~~types~~were ofpaid ~~commercial,~~to ~~multifamily and/~~or ~~manufactured~~for the ~~housing~~counsel ~~community~~to ~~properties.~~the ~~The~~Underwriters ~~Mortgage~~and ~~Loans~~the ~~are~~Initial ~~expected~~Purchasers, toand beapproximately ~~acquired~~$5,215,930.46 bywere ~~the~~other ~~Depositor~~expenses. ~~from~~All ~~(i)~~of ~~Bank~~the offoregoing expense ~~Montreal~~amounts ~~(“BMO”),~~are ~~pursuant~~the toDepositor’s areasonable ~~Mortgage~~estimates ~~Loan~~of ~~Purchase~~such ~~Agreement~~expenses. ~~dated~~No asunderwriting ofdiscounts ~~October~~and 1,commissions ~~2025~~or ~~(the~~finder’s fees ~~“BMO~~were ~~Mortgage~~paid ~~Loan~~by ~~Purchase~~the ~~Agreement”),~~Depositor.

~~between~~Further ~~the~~information ~~Depositor and BMO, (ii) BSPRT~~regarding ~~CMBS~~sales ~~Finance, LLC (“BSPRT”), pursuant to a Mortgage Loan Purchase Agreement dated as~~ of ~~October 1, 2025 (~~the ~~“BSPRT~~ ~~Mortgage~~Public ~~Loan~~Certificates ~~Purchase~~is ~~Agreement”),~~set ~~between~~forth ~~the~~in ~~Depositor, BSPRT and Franklin BSP Realty Trust, Inc., (iii) Citi Real Estate Funding Inc. (“CREFI”), pursuant to a Mortgage Loan Purchase Agreement dated as of October 1, 2025 (~~the ~~“CREFI~~Underwriting ~~Mortgage Loan Purchase~~ Agreement~~”),~~ ~~between the Depositor and CREFI,~~ (~~iv) German American Capital Corporation (“GACC”)~~including, ~~pursuant to a Mortgage Loan Purchase Agreement dated~~ as ~~of October 1, 2025 (the “GACC Mortgage Loan Purchase Agreement”), between the Depositor and GACC, (v) Goldman Sachs Mortgage Company (“GSMC”), pursuant~~ to ~~a Mortgage Loan Purchase Agreement dated as of October 1, 2025 (~~the ~~“GSMC~~price ~~Mortgage Loan~~per ~~Purchase~~class ~~Agreement”), between the Depositor and GSMC, (vi) Greystone Commercial Mortgage Capital LLC (“GCMC”), pursuant to a Mortgage Loan Purchase Agreement dated as~~ of ~~October~~Public 1Certificates, ~~2025 (the “GCMC Mortgage~~ ~~Loan~~on ~~Purchase~~Schedule ~~Agreement”), between the Depositor, GCMC and Greystone Select Company~~ II ~~LLC, (vii~~thereto) ~~JPMorgan~~attached ~~Chase Bank, National Association (“JPMCB”), pursuant to a Mortgage Loan Purchase Agreement dated~~ as ofExhibit ~~October~~ 1, ~~2025~~to (the ~~“JPMCB~~ ~~Mortgage Loan Purchase Agreement”), between the~~ Depositor’s ~~and~~Current ~~JPMCB,~~Report ~~(viii)~~on ~~KeyBank~~Form ~~National Association (“KeyBank”)~~8-K, ~~pursuant~~filed towith ~~a Mortgage Loan Purchase Agreement dated as of October 1, 2025 (~~the ~~“KeyBank Mortgage~~Commission ~~Loan~~on ~~Purchase Agreement”), between the Depositor and KeyBank, (ix) LMF Commercial, LLC~~September ~~(“LMF”)~~30, ~~pursuant to a Mortgage Loan Purchase Agreement dated as of October 1,~~ 2025 ~~(the~~under ~~“LMF~~Commission ~~Mortgage Loan~~File ~~Purchase~~No. ~~Agreement”)~~333-280224-10, ~~between the Depositor~~ and ~~LMF,~~in ~~(x) Starwood Mortgage Capital LLC (“SMC”), pursuant to a Mortgage Loan Purchase Agreement dated as of October 1, 2025 (~~the ~~“SMC~~Prospectus. ~~Mortgage~~The ~~Loan~~related ~~Purchase Agreement”),~~registration ~~between~~statement ~~the Depositor and SMC,~~ (~~xi)~~file ~~Zions Bancorporation, N~~no.A. ~~(“ZBNA”~~333-280224), ~~pursuant to a~~was ~~Mortgage~~originally ~~Loan~~declared ~~Purchase~~effective ~~Agreement~~on ~~dated as of~~ October 110, 2025 (the “ZBNA Mortgage Loan Purchase Agreement” and, together with the BMO Mortgage Loan Purchase Agreement, the BSPRT Mortgage Loan Purchase Agreement, the CREFI Mortgage Loan Purchase Agreement, the GACC Mortgage Loan Purchase Agreement, the GSMC Mortgage Loan Purchase Agreement, the GCMC Mortgage Loan Purchase Agreement, the JPMCB Mortgage Loan Purchase Agreement, the KeyBank Mortgage Loan Purchase Agreement, the LMF Mortgage Loan Purchase Agreement and the SMC Mortgage Loan Purchase Agreement, the “Mortgage Loan Purchase Agreements”), between the Depositor and ZBNA2024. ~~The Mortgage Loan Purchase Agreements are attached hereto as Exhibits 99.1, 99.2, 99.3, 99.4, 99.5, 99.6, 99.7, 99.8, 99.9, 99.10 and 99.11 respectively.~~

~~The~~BMO, ~~assets~~in ofits ~~the~~capacity ~~Issuing~~as “retaining ~~Entity~~sponsor” ~~are~~(as ~~expected~~such toterm ~~include~~is ~~several~~defined ~~Mortgage~~in ~~Loans~~Regulation ~~which~~RR ~~are~~(12 ~~part~~C.F.R. ofPart a244) ~~Whole~~promulgated ~~Loan~~under asSection ~~described~~15G inof the ~~Prospectus.~~Securities Exchange ~~Each~~Act ~~Whole~~of ~~Loan is governed by a co-lender~~1934, ~~intercreditor~~as oramended ~~similar agreement~~ (~~each, a~~ “~~Co-Lender~~Regulation ~~Agreement~~RR”)), ~~between~~is ~~the~~satisfying ~~holders~~its ofcredit ~~the~~risk ~~promissory~~retention ~~notes~~obligation ~~comprising~~under ~~such~~Regulation RR ~~Whole~~in ~~Loan,~~connection with the ~~terms~~securitization of ~~which are described under “Description of~~ the Mortgage ~~Pool—The Whole~~ Loans” inreferred ~~the~~to ~~Prospectus.~~above ~~Each~~by ~~Co-Lender~~the ~~Agreement~~purchase ison ~~attached~~the asClosing anDate ~~exhibit~~and ~~hereto,~~holding asby ~~identified~~RREF V in- ~~the~~D ~~following~~AIV ~~table.~~RR ~~Moreover~~H, ~~certain~~LLC of(or ~~such~~a ~~Whole~~“majority-owner ~~Loans~~affiliate” ~~will~~(as ~~not~~such beterm ~~serviced~~is ~~pursuant~~defined toin ~~the~~Regulation ~~Pooling~~RR) ~~and~~thereof) ~~Servicing~~of ~~Agreement, but will instead be serviced pursuant to a different servicing agreement (each,~~ an “~~Outside~~eligible horizontal ~~Servicing~~residual ~~Agreement~~interest”). ~~Each~~(as such ~~Outside~~term ~~Servicing Agreement~~ is ~~attached~~defined asin anRegulation ~~exhibit hereto~~RR), asconsisting ~~described in the following table. For a description~~ of ~~the~~all ~~servicing~~ of the ~~applicable~~Class ~~Whole~~E-RR, ~~Loans~~Class ~~under~~F-RR, ~~such~~Class G-RR, ~~Outside~~Class ~~Servicing Agreement~~J-RR, ~~see~~Class ~~“The~~K-RR ~~Pooling~~ and ~~Servicing~~Class ~~Agreement—Servicing~~L-RR ~~of the Outside Serviced Mortgage Loans” in the Prospectus~~Certificates.

Name of Mortgaged Property or Portfolio of Mortgaged Properties Securing Subject Whole Loan (as identified on the Mortgage Loan Schedule to the Pooling and Servicing Agreement)	Exhibit Number of Related Co-Lender Agreement	Exhibit Number of Related Outside Servicing Agreement (if any)
BioMed MIT Portfolio	4.6	4.2
UOVO Evergreen	4.7	–
512 West 22nd Street	4.8	–
The Willard & The Met	4.9	–
Washington Square	4.10	4.3
Dartmouth Mall	4.11	–
Coastal Equities Portfolio	4.12	4.4
Rentar Plaza	4.13	4.5
Cape Cod Mall	4.14	4.3

Further information regarding the sale of the Public Certificates is set forth in the Underwriting Agreement (including, as to the price per class of Public Certificates, on Schedule II thereto) and in the Depositor’s Prospectus, dated September 26, 2025. The related registration statement (file no. 333-280224) was originally declared effective on October 10, 2024. In connection with such Prospectus, the principal executive officer of the Depositor has provided the certification attached hereto as Exhibit 36.1.

KeyBank National Association will act as primary servicer with respect to all of the Mortgage Loans that KeyBank is expected to sell to the Depositor, pursuant to that certain Primary Servicing Agreement, dated as of October 1, 2025, between Midland Loan Services, a Division of PNC Bank, National Association and KeyBank National Association, an executed version of which is attached hereto as Exhibit 99.12.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
Exhibit 1	Underwriting Agreement
Exhibit 5	Legality Opinion of Orrick, Herrington & Sutcliffe LLP, dated October 22, 2025
Exhibit 4.1	Pooling and Servicing Agreement
Exhibit 8	Tax Opinion of Orrick, Herrington & Sutcliffe LLP, dated October 22, 2025 (included as part of Exhibit 5)
Exhibit 4.2	BX 2025 LIFE TSA
Exhibit 23	Consent Opinion of Orrick, Herrington & Sutcliffe LLP, dated October 22, 2025 (included as part of Exhibit 5)
Exhibit 4.3	BMO 2025-C12 PSA
Exhibit 4.4	BANK 2025-BNK50 PSA
Exhibit 4.5	BBCMS 2025-C35 PSA
Exhibit 4.6	BioMed MIT Portfolio Co-Lender Agreement
Exhibit 4.7	UOVO Evergreen Co-Lender Agreement
Exhibit 4.8	512 West 22nd Street Co-Lender Agreement
Exhibit 4.9	The Willard & The Met Co-Lender Agreement
Exhibit 4.10	Washington Square Co-Lender Agreement
Exhibit 4.11	Dartmouth Mall Co-Lender Agreement
Exhibit 4.12	Coastal Equities Portfolio Co-Lender Agreement
Exhibit 4.13	Rentar Plaza Co-Lender Agreement
Exhibit 4.14	Cape Cod Mall Co-Lender Agreement
Exhibit 36.1	Depositor’s Certification for Shelf Offerings of Asset-Backed Securities in respect of that certain Prospectus dated September 26, 2025, which such certification is dated September 26, 2025
Exhibit 99.1	BMO Mortgage Loan Purchase Agreement
Exhibit 99.2	BSPRT Mortgage Loan Purchase Agreement
Exhibit 99.3	CREFI Mortgage Loan Purchase Agreement
Exhibit 99.4	GACC Mortgage Loan Purchase Agreement
Exhibit 99.5	GSMC Mortgage Loan Purchase Agreement
Exhibit 99.6	GCMC Mortgage Loan Purchase Agreement
Exhibit 99.7	JPMCB Mortgage Loan Purchase Agreement
Exhibit 99.8	KeyBank Mortgage Loan Purchase Agreement

Exhibit 99.9	LMF Mortgage Loan Purchase Agreement
Exhibit 99.10	SMC Mortgage Loan Purchase Agreement
Exhibit 99.11	ZBNA Mortgage Loan Purchase Agreement
Exhibit 99.12	Primary Servicing Agreement, dated as of October 1, 2025, between Midland Loan Services, a Division of PNC Bank, National Association, as master servicer, and KeyBank National Association, as primary 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.

Date: September 30, 2025	BMO COMMERCIAL MORTGAGE SECURITIES LLC
Date: October 22, 2025	BMO COMMERCIAL MORTGAGE SECURITIES LLC
	By:	/s/ Paul Vanderslice
		Name: Paul Vanderslice Title: Chief Executive Officer
		Name:	Paul Vanderslice
		Title:	Chief Executive Officer

BMO 2025-C13 – Form 8-K

Filing Compare · BMO 2025-C13 Mortgage Trust