Castellum CTM SEC Filings

NYSE CTM
$0.58 +0.01 (+1.97%)
As of: Oct 20, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Castellum, Inc. (CTM) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0001877939-26-000087Oct 1, 2026 12:09 AM
24Insider Transaction0001877939-26-000086Oct 1, 2026 12:09 AM
34Insider Transaction0001877939-26-000085Oct 1, 2026 12:08 AM
44Insider Transaction0001877939-26-000084Oct 1, 2026 12:08 AM
54Insider Transaction0001877939-26-000079Sep 9, 2026 8:02 PM
68-KCurrent Report0001877939-26-000078Sep 9, 2026 8:02 PM
78-KCurrent Report0001877939-26-000075Aug 31, 2026 8:03 PM
88-KCurrent Report0001877939-26-000073Aug 7, 2026 8:05 PM
910-QQuarterly & Annual Report0001877939-26-000070Aug 6, 2026 8:09 PM
108-KCurrent Report0001877939-26-000065Jul 31, 2026 8:01 PM
114Insider Transaction0001877939-26-000061Jul 2, 2026 8:07 PM
124Insider Transaction0001877939-26-000060Jul 2, 2026 8:06 PM
134Insider Transaction0001877939-26-000059Jul 2, 2026 8:05 PM
144Insider Transaction0001877939-26-000058Jul 2, 2026 8:05 PM
158-KCurrent Report0001877939-26-000057Jul 2, 2026 8:02 PM
168-KCurrent Report0001877939-26-000052Jun 24, 2026 8:02 PM
178-KCurrent Report0001877939-26-000050Jun 15, 2026 8:15 PM
18S-8Prospectus0001877939-26-000047Jun 1, 2026 8:02 PM
198-KCurrent Report0001877939-26-000044May 20, 2026 8:01 PM
208-KCurrent Report0001877939-26-000040May 18, 2026 6:55 AM
218-KCurrent Report0001877939-26-000036May 13, 2026 10:31 AM
2210-QQuarterly & Annual Report0001877939-26-000033May 8, 2026 8:05 PM
2310-QQuarterly & Annual Report0001877939-26-000033May 8, 2026 8:05 PM
2410-QQuarterly & Annual Report0001877939-26-000033May 8, 2026 8:05 PM
258-KCurrent Report0001877939-26-000028Apr 23, 2026 8:05 PM
26DEFA14AOthers0001877939-26-000026Apr 7, 2026 8:02 PM
27DEF 14AOthers0001877939-26-000025Apr 7, 2026 8:01 PM
284Insider Transaction0001329293-26-000002Mar 31, 2026 8:08 PM
294Insider Transaction0001329293-26-000002Mar 31, 2026 8:08 PM
304Insider Transaction0001329293-26-000002Mar 31, 2026 8:08 PM
314Insider Transaction0001944338-26-000002Mar 31, 2026 8:08 PM
324Insider Transaction0001944338-26-000002Mar 31, 2026 8:08 PM
334Insider Transaction0001944338-26-000002Mar 31, 2026 8:08 PM
344Insider Transaction0002036177-26-000004Mar 31, 2026 8:08 PM
354Insider Transaction0002036177-26-000004Mar 31, 2026 8:08 PM
364Insider Transaction0002036177-26-000004Mar 31, 2026 8:08 PM
374Insider Transaction0001332108-26-000006Mar 27, 2026 8:37 PM
384Insider Transaction0001332108-26-000006Mar 27, 2026 8:37 PM
394Insider Transaction0001332108-26-000006Mar 27, 2026 8:37 PM
404Insider Transaction0001947023-26-000003Mar 27, 2026 8:05 PM
414Insider Transaction0001947023-26-000003Mar 27, 2026 8:05 PM
424Insider Transaction0001947023-26-000003Mar 27, 2026 8:05 PM
434Insider Transaction0002036177-26-000002Mar 27, 2026 8:00 PM
444Insider Transaction0001877939-26-000021Mar 26, 2026 8:02 PM
454Insider Transaction0001877939-26-000021Mar 26, 2026 8:02 PM
464Insider Transaction0001877939-26-000021Mar 26, 2026 8:02 PM
474Insider Transaction0001877939-26-000020Mar 20, 2026 8:01 PM
484Insider Transaction0001877939-26-000018Mar 18, 2026 8:43 PM
49144Insider Transaction0001965301-26-000038Mar 17, 2026 8:35 PM
5010-KQuarterly & Annual Report0001877939-26-000016Mar 9, 2026 8:04 PM
...

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