    <SEC-DOCUMENT>0001013762-25-001596-index.html : 20250324
    <SEC-HEADER>0001013762-25-001596.hdr.sgml : 20250324
    <ACCEPTANCE-DATETIME>20250324161037
    ACCESSION NUMBER:		0001013762-25-001596
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		3
    CONFORMED PERIOD OF REPORT:	20250408
    FILED AS OF DATE:		20250324
    DATE AS OF CHANGE:		20250324

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Abpro Holdings, Inc.
    		CENTRAL INDEX KEY:			0001893219
    		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				871013956
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41224
    		FILM NUMBER:		25764283

    	BUSINESS ADDRESS:
    		STREET 1:		6 ST JOHNS LANE, FLOOR 5
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10013
    		BUSINESS PHONE:		248-890-7200

    	MAIL ADDRESS:
    		STREET 1:		6 ST JOHNS LANE, FLOOR 5
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10013

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Atlantic Coastal Acquisition Corp. II
    		DATE OF NAME CHANGE:	20211110
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>ea0231983-02.htm
    <DESCRIPTION>PROXY STATEMENT
    <TEXT>
    Document 1 - file: ea0231983-02.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tproxy_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tproxy_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tproxy_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tproxy_002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>