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

FORM 10-D

ASSET BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

For the monthly distribution period from: ~~April~~May 1816, 2026 to ~~May~~June 1517, 2026

Commission File Number of issuing entity: 333-280224-13

Central Index Key Number of issuing entity: 0002063015

BMO 2026-5C14 MORTGAGE TRUST
(Exact name of issuing entity as specified in its charter)

Commission File Number of depositor: 333-280224

Central Index Key Number of depositor: 0001861132

BMO Commercial Mortgage Securities LLC
(Exact name of depositor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0000927971

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

Central Index Key Number of sponsor (if applicable): 0001541502

Goldman Sachs Mortgage Company
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001541294

German American Capital Corporation
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001722518

BSPRT CMBS Finance, LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001701238

Citi Real Estate Funding Inc.
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001548405

Starwood Mortgage Capital LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001542256

Natixis Real Estate Capital LLC
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001685185

UBS AG New York Branch
(Exact name of sponsor as specified in its charter)

Central Index Key Number of sponsor (if applicable): 0001755531

Societe Generale Financial Corporation
(Exact name of sponsor as specified in its charter)

Paul Vanderslice (212) 885-4000
(Name and telephone number, including area code, of the person to contact in connection with this filing)

New York
(State or other jurisdiction of incorporation or organization of the issuing entity)

38-4388413
38-4388414
(I.R.S. Employer Identification No.)

c/o Computershare Trust Company, N.A.
9062 Old Annapolis Road
Columbia, MD 21045
(Address of principal executive offices of the issuing entity) (Zip Code)

(667) 786-1992
(Telephone number, including area code)

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

Registered/reporting pursuant to (check one)

Title of Class	Section 12(b)	Section 12(g)	Section 15(d)	Name of Exchange (If Section 12(b))
A-1			X
A-2			X
A-3			X
X-A			X
X-B			X
A-S			X
B			X
C			X

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes X No

Part I - DISTRIBUTION INFORMATION

Item 1. Distribution and Pool Performance Information.

On ~~May~~June 1517, 2026 a distribution was made to holders of the certificates issued by BMO 2026-5C14 MORTGAGE TRUST.

The distribution report is attached as an Exhibit to this Form 10-D, please see Item 10(b), Exhibit 99.1 for the related information.

~~The~~No ~~following~~assets ~~table~~securitized ~~presents~~by ~~the~~BMO ~~loss~~Commercial ~~information~~Mortgage ~~for~~Securities LLC (the ~~trust~~"Depositor") ~~assets~~and ~~for~~held ~~the~~by BMO 2026-5C14 MORTGAGE TRUST inwere ~~accordance~~the ~~with~~subject ~~Item~~of ~~1100(b)~~a asdemand ~~required~~to byrepurchase ~~Item~~or ~~1121(a)(9)~~replace for breach of ~~Regulation~~the ~~AB:~~representations and warranties contained in the underlying transaction documents during the monthly distribution period from May 16, 2026 to June 17, 2026.

~~Loss~~The ~~Information~~Depositor asmost ~~reported~~recently filed a Form ABS-15G under Rule 15Ga-1 under the Securities Exchange Act of 1934 ("Rule 15Ga-1") on May 1513, 2026. The CIK number of the Depositor is 0001861132.

Number of Delinquencies 30+ days	% of Delinquencies 30+ days by Pool Balance	Number of Loans/REOs with Losses	Average Net Loss
2	5.35%	0	N/A

Bank of Montreal one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on May 13, 2026. The Central Index Key number for Bank of Montreal is 0000927971.

NoGoldman ~~assets~~Sachs ~~securitized by BMO Commercial~~ Mortgage ~~Securities LLC~~Company (~~the~~ "~~Depositor~~GSMC") ~~and held by BMO 2026-5C14 MORTGAGE TRUST~~ ~~were~~one ~~the subject~~ of ~~a demand to repurchase or replace for breach of~~ the ~~representations~~sponsors, ~~and~~most ~~warranties~~recently ~~contained~~filed ina ~~the~~Rule ~~underlying~~15Ga-1 ~~transaction~~Form ~~documents~~ABS-15G ~~during~~on ~~the~~May ~~monthly~~12, ~~distribution~~2026. ~~period~~The ~~from~~Central ~~April~~Index ~~18,~~Key ~~2026~~number for toGSMC ~~May 15, 2026~~is 0001541502.

~~The~~German ~~Depositor~~American Capital Corporation ("GACC") one of the sponsors, most recently filed a ~~Form ABS-15G under~~ Rule 15Ga-1 ~~under~~Form ~~the Securities Exchange Act of 1934 ("Rule 15Ga~~ABS-~~1")~~15G on ~~May~~February 13, 2026. The ~~CIK~~Central ~~number~~Index ofKey ~~the~~number ~~Depositor~~ for GACC is ~~0001861132~~ 0001541294.

~~Bank~~BSPRT ofCMBS ~~Montreal~~Finance, LLC one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on ~~May~~February 13, 2026. The Central Index Key number for ~~Bank~~BSPRT ofCMBS ~~Montreal~~Finance, LLC is ~~0000927971~~0001722518.

~~Goldman~~Citi ~~Sachs~~Real ~~Mortgage~~Estate ~~Company~~Funding Inc. ("~~GSMC~~CREFI") one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on ~~May~~February 1210, 2026. The Central Index Key number for ~~GSMC~~CREFI is ~~0001541502~~0001701238.

~~German~~Starwood ~~American~~Mortgage Capital ~~Corporation ("GACC")~~ LLC one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on ~~February~~May 1311, 2026. The Central Index Key number for ~~GACC~~Starwood Mortgage Capital LLC is ~~0001541294~~0001548405.

~~BSPRT~~Natixis ~~CMBS~~Real ~~Finance,~~Estate Capital LLC ("NREC") one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on February 13, 2026. The Central Index Key number for ~~BSPRT CMBS Finance, LLC~~NREC is ~~0001722518~~0001542256.

~~Citi~~UBS ~~Real~~AG ~~Estate~~New ~~Funding~~York ~~Inc.~~Branch ("~~CREFI~~UBS AG") one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on February 1012, 2026. The Central Index Key number for ~~CREFI~~UBS AG New York Branch is ~~0001701238~~0001685185.

~~Starwood~~Societe ~~Mortgage~~Generale ~~Capital~~Financial ~~LLC~~Corporation one of the sponsors, most recently filed a Rule 15Ga-1 Form ABS-15G on ~~May~~ 11February 17, 2026. The Central Index Key number for ~~Starwood~~Societe ~~Mortgage~~Generale ~~Capital~~Financial ~~LLC~~Corporation is ~~0001548405~~ 0001755531.

~~Natixis~~Item ~~Real~~1A. ~~Estate Capital LLC ("NREC") one of the sponsors, most recently filed a Rule 15Ga~~Asset-1Level ~~Form ABS-15G on February 13, 2026~~Information. ~~The Central Index Key number for NREC is 0001542256.~~

~~UBS~~Asset ~~AG New~~Data ~~York~~File ~~Branch~~ (~~"UBS~~filed ~~AG") one~~as ofExhibit ~~the~~102 ~~sponsors,~~to ~~most~~the ~~recently~~registrant's ~~filed a Rule 15Ga-1~~ Form ABS-~~15G~~EE filed on ~~February~~July 121, 2026. under ~~The~~Commission ~~Central~~File ~~Index~~No. ~~Key~~333-280224-13 ~~number~~and ~~for UBS~~incorporated AGby ~~New~~reference ~~York Branch is 0001685185~~herein).

~~Societe~~Asset ~~Generale~~Related ~~Financial~~Document ~~Corporation one~~(filed ofas ~~the~~Exhibit ~~sponsors,~~103 ~~most~~to ~~recently~~the ~~filed~~registrant's ~~a Rule 15Ga-1~~ Form ABS-~~15G~~EE filed on ~~February~~July 171, 2026. under ~~The~~Commission ~~Central~~File ~~Index~~No. ~~Key~~333-280224-13 ~~number~~and ~~for Societe~~incorporated ~~Generale~~by ~~Financial~~reference ~~Corporation is 0001755531~~herein).

~~Item~~Part ~~1A.~~II ~~Asset~~-~~Level~~ ~~Information.~~OTHER INFORMATION

~~Asset~~Item ~~Data File (filed as Exhibit 102 to the registrant's Form ABS-EE filed on May 28, 2026 under Commission File No~~9. ~~333-280224-13~~Other ~~and incorporated by reference herein)~~Information.

~~Asset~~Midland ~~Related~~Loan ~~Document~~Services, ~~(filed~~A asDivision ~~Exhibit~~of ~~103~~PNC toBank, ~~the~~National ~~registrant's~~Association, ~~Form~~in ~~ABS-EE~~its ~~filed~~capacity onas ~~May~~Master ~~28,~~Servicer for BMO 2026 ~~under~~-5C14 ~~Commission~~MORTGAGE ~~File~~TRUST, ~~No.~~affirms ~~333-280224-13~~the ~~and~~following ~~incorporated~~amounts byin ~~reference~~the ~~herein).~~respective accounts:

Part II - OTHER INFORMATION

Collection Account
Prior Distribution Date	05/15/2026	$68,084.40
Current Distribution Date	06/17/2026	$4,000.00

Item 9. Other Information.

REO Account
Prior Distribution Date	05/15/2026	$0.00
Current Distribution Date	06/17/2026	$0.00

Midland Loan Services, A Division of PNC Bank, National Association, in its capacity as Master Servicer for BMO 2026-5C14 MORTGAGE TRUST, affirms the following amounts in the respective accounts:

Whole Loan Custodial Account
Prior Distribution Date	05/15/2026	$0.00
Current Distribution Date	06/17/2026	$0.00

Collection Account
Prior Distribution Date	04/17/2026	$128,540.80
Current Distribution Date	05/15/2026	$68,084.40

Computershare Trust Company, N.A., in its capacity as Certificate Administrator for BMO 2026-5C14 MORTGAGE TRUST, affirms the following amounts in the respective accounts:

REO Account
Distribution Account
Prior Distribution Date	0405/1715/2026	$07,851.0072
Current Distribution Date	0506/1517/2026	$08,113.0041

Whole Loan Custodial Account
Interest Reserve Account
Prior Distribution Date	0405/1715/2026	$0.00
Current Distribution Date	0506/1517/2026	$0.00

Computershare Trust Company, N.A., in its capacity as Certificate Administrator for BMO 2026-5C14 MORTGAGE TRUST, affirms the following amounts in the respective accounts:

Excess Liquidation Proceeds Reserve Account
Prior Distribution Date	05/15/2026	$0.00
Current Distribution Date	06/17/2026	$0.00

Distribution Account
Prior Distribution Date	04/17/2026	$8,113.52
Current Distribution Date	05/15/2026	$7,851.72

Item 10. Exhibits.

Interest Reserve Account
Prior Distribution Date	04/17/2026	$0.00
Current Distribution Date	05/15/2026	$0.00

(a) The following is a list of documents filed as part of this Report on Form 10-D:

Excess Liquidation Proceeds Reserve Account
Prior Distribution Date	04/17/2026	$0.00
Current Distribution Date	05/15/2026	$0.00

(99.1) Monthly report distributed to holders of the certificates issued by BMO 2026-5C14 MORTGAGE TRUST, relating to the June 17, 2026 distribution.

~~Item~~(102) 10 Asset Data File (filed as Exhibit 102 to the registrant's Form ABS-EE filed on July 1, 2026 under Commission File No. ~~Exhibits~~333-280224-13 and incorporated by reference herein).

(a103) ~~The~~ Asset ~~following~~Related isDocument a(filed ~~list~~as ofExhibit ~~documents~~103 ~~filed~~to asthe ~~part~~registrant's ofForm ~~this~~ABS-EE ~~Report~~filed on ~~Form~~July 101, 2026 under Commission File No. 333-D:280224-13 and incorporated by reference herein).

(~~99.1~~b) ~~Monthly~~The ~~report~~exhibits ~~distributed~~required to ~~holders~~be offiled ~~the certificates issued~~ by ~~BMO~~the ~~2026-5C14~~Registrant ~~MORTGAGE~~pursuant ~~TRUST, relating~~ to ~~the~~this ~~May~~Form ~~15,~~are ~~2026 distribution~~listed above.

~~(102) Asset Data File (filed as Exhibit 102 to the registrant's Form ABS-EE filed on May 28, 2026 under Commission File No. 333-280224-13 and incorporated by reference herein).~~ SIGNATURES

~~(103)~~Pursuant ~~Asset~~to ~~Related~~the ~~Document~~requirements ~~(filed~~of asthe ~~Exhibit~~Securities ~~103~~Exchange toAct of 1934, the registrant's ~~Form~~has ~~ABS-EE~~duly ~~filed~~caused onthis ~~May~~report ~~28,~~to ~~2026~~be ~~under~~signed ~~Commission~~on ~~File~~its ~~No.~~behalf ~~333-280224-13~~by ~~and~~the ~~incorporated~~undersigned bythereunto ~~reference~~duly ~~herein)~~authorized.

~~(b)~~BMO ~~The~~Commercial ~~exhibits~~Mortgage ~~required~~Securities toLLC(Depositor) ~~be filed by the Registrant pursuant to this Form are listed above.~~

~~SIGNATURES~~/s/ Paul VanderslicePaul Vanderslice, Chief Executive Officer

~~Pursuant~~Date: July ~~to the requirements of the Securities Exchange Act of 1934~~1, ~~the~~2026 ~~registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.~~

BMO Commercial Mortgage Securities LLC(Depositor)

/s/ Paul VanderslicePaul Vanderslice, Chief Executive Officer

Date: May 28, 2026

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

FORM 10-D

ASSET BACKED ISSUER DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Registered/reporting pursuant to (check one)

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

ASSET BACKED ISSUER
DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

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