<SEC-DOCUMENT>0001877939-25-000038-index.html : 20250411
<SEC-HEADER>0001877939-25-000038.hdr.sgml : 20250411
<ACCEPTANCE-DATETIME>20250411160640
ACCESSION NUMBER:		0001877939-25-000038
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20250411
DATE AS OF CHANGE:		20250411

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Castellum, Inc.
		CENTRAL INDEX KEY:			0001877939
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				274079982
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41526
		FILM NUMBER:		25832118

	BUSINESS ADDRESS:	
		STREET 1:		1934 OLD GALLOWS ROAD
		STREET 2:		SUITE 350
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
		BUSINESS PHONE:		(703) 752-6157

	MAIL ADDRESS:	
		STREET 1:		1934 OLD GALLOWS ROAD
		STREET 2:		SUITE 350
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>noticeofinternetavailabili.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: noticeofinternetavailabili.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>castellumincnotice2025_pag.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: castellumincnotice2025_pag.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>castellumincnotice2025_paga.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: castellumincnotice2025_paga.jpg

</DOCUMENT>
</SEC-DOCUMENT>