    <SEC-DOCUMENT>0001104659-25-083205-index.html : 20250827
    <SEC-HEADER>0001104659-25-083205.hdr.sgml : 20250827
    <ACCEPTANCE-DATETIME>20250826211410
    ACCESSION NUMBER:		0001104659-25-083205
    CONFORMED SUBMISSION TYPE:	S-4
    PUBLIC DOCUMENT COUNT:		27
    FILED AS OF DATE:		20250827
    DATE AS OF CHANGE:		20250826

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			COMMERCE BANCSHARES INC /MO/
    		CENTRAL INDEX KEY:			0000022356
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				430889454
    		STATE OF INCORPORATION:			MO
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-289873
    		FILM NUMBER:		251259430

    	BUSINESS ADDRESS:
    		STREET 1:		1000 WALNUT
    		CITY:			KANSAS CITY
    		STATE:			MO
    		ZIP:			64106
    		BUSINESS PHONE:		8162342000

    	MAIL ADDRESS:
    		STREET 1:		P O BOX 419248
    		CITY:			KANSAS CITY
    		STATE:			MO
    		ZIP:			64141-6248
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-4
    <SEQUENCE>1
    <FILENAME>tm2523649-1_s4.htm
    <DESCRIPTION>S-4
    <TEXT>
    Document 1 - file: tm2523649-1_s4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>2
    <FILENAME>tm2523649d2_ex23-1.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 2 - file: tm2523649d2_ex23-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.2
    <SEQUENCE>3
    <FILENAME>tm2523649d2_ex23-2.htm
    <DESCRIPTION>EXHIBIT 23.2
    <TEXT>
    Document 3 - file: tm2523649d2_ex23-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>4
    <FILENAME>tm2523649d2_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 4 - file: tm2523649d2_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>5
    <FILENAME>tm2523649d1_ex-filingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 5 - file: tm2523649d1_ex-filingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>lg_commercebancs-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: lg_commercebancs-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>lg_finemarkholdinc-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: lg_finemarkholdinc-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>lg_pipersandler-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: lg_pipersandler-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>sg_pipersandler-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: sg_pipersandler-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>lg_finemarkhold-4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: lg_finemarkhold-4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>lg_hackerjonshonsmith-bwlr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: lg_hackerjonshonsmith-bwlr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>txt_northwestshore-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: txt_northwestshore-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>sg_hackerjonshonsmith-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: sg_hackerjonshonsmith-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>txt_westcypress-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: txt_westcypress-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tm2523649d2_ex99-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: tm2523649d2_ex99-1img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>tm2523649d2_ex23-1img02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: tm2523649d2_ex23-1img02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>tm2523649d2_ex23-1img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: tm2523649d2_ex23-1img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>23
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: FilingSummary.html

    Document 25 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>27
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>28
    <FILENAME>0001104659-25-083205-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: 0001104659-25-083205-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>tm2523649d1_ex-filingfees_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: tm2523649d1_ex-filingfees_htm.html

    Document 29 - RAW XML: tm2523649d1_ex-filingfees_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>