<SEC-DOCUMENT>0001104659-21-083595-index.html : 20210621
<SEC-HEADER>0001104659-21-083595.hdr.sgml : 20210621
<ACCEPTANCE-DATETIME>20210621172113
ACCESSION NUMBER:		0001104659-21-083595
CONFORMED SUBMISSION TYPE:	S-4/A
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20210621
DATE AS OF CHANGE:		20210621

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bank of Marin Bancorp
		CENTRAL INDEX KEY:			0001403475
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				208859754
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-4/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-257025
		FILM NUMBER:		211031966

	BUSINESS ADDRESS:	
		STREET 1:		504 REDWOOD BOULEVARD, SUITE 100
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94947
		BUSINESS PHONE:		415-763-7781

	MAIL ADDRESS:	
		STREET 1:		504 REDWOOD BOULEVARD, SUITE 100
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94947
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-4/A
<SEQUENCE>1
<FILENAME>tm2117826-3_s4a.htm
<DESCRIPTION>S-4/A
<TEXT>
Document 1 - file: tm2117826-3_s4a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.01
<SEQUENCE>2
<FILENAME>tm2117826d4_ex23-01.htm
<DESCRIPTION>EXHIBIT 23.01
<TEXT>
Document 2 - file: tm2117826d4_ex23-01.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.02
<SEQUENCE>3
<FILENAME>tm2117826d4_ex23-02.htm
<DESCRIPTION>EXHIBIT 23.02
<TEXT>
Document 3 - file: tm2117826d4_ex23-02.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.01
<SEQUENCE>4
<FILENAME>tm2117826d4_ex99-01.htm
<DESCRIPTION>EXHIBIT 99.01
<TEXT>
Document 4 - file: tm2117826d4_ex99-01.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.02
<SEQUENCE>5
<FILENAME>tm2117826d4_ex99-02.htm
<DESCRIPTION>EXHIBIT 99.02
<TEXT>
Document 5 - file: tm2117826d4_ex99-02.htm

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

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>lg_bankofmarin-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: lg_bankofmarin-bw.jpg

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

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>lg_pipersandnew-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: lg_pipersandnew-4c.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>sg_kimberlybox-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: sg_kimberlybox-bw.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>sg_nancyrinaldi-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: sg_nancyrinaldi-bw.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tm2117826d1-hdr_pipersan4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tm2117826d1-hdr_pipersan4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>tm2117826d4_ex99-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: tm2117826d4_ex99-1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>tm2117826d4_ex99-1img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: tm2117826d4_ex99-1img002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>tm2117826d4_ex99-02img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: tm2117826d4_ex99-02img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>tm2117826d4_ex99-02img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: tm2117826d4_ex99-02img002.jpg

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