<SEC-DOCUMENT>0001628280-25-001121-index.html : 20250110
<SEC-HEADER>0001628280-25-001121.hdr.sgml : 20250110
<ACCEPTANCE-DATETIME>20250110160156
ACCESSION NUMBER:		0001628280-25-001121
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20250110
DATE AS OF CHANGE:		20250110

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
		IRS NUMBER:				274079982
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-284205
		FILM NUMBER:		25522825

	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>S-3
<SEQUENCE>1
<FILENAME>castelluminc-sx3january2025.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: castelluminc-sx3january2025.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>2
<FILENAME>exhibit107-sx3.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 2 - file: exhibit107-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>3
<FILENAME>exhibit31-sx3.htm
<DESCRIPTION>EX-3.1
<TEXT>
Document 3 - file: exhibit31-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.2
<SEQUENCE>4
<FILENAME>exhibit32-sx3.htm
<DESCRIPTION>EX-3.2
<TEXT>
Document 4 - file: exhibit32-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.3
<SEQUENCE>5
<FILENAME>exhibit33-sx3.htm
<DESCRIPTION>EX-3.3
<TEXT>
Document 5 - file: exhibit33-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>6
<FILENAME>exhibit51-sx3.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 6 - file: exhibit51-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>7
<FILENAME>exhibit231-sx3.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 7 - file: exhibit231-sx3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>image_0a.jpg
<TEXT>
Document 8 - file: image_0a.jpg

</DOCUMENT>
</SEC-DOCUMENT>