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Castellum, Inc. — 8-K Filings

86 8-K filings on record

This page lists all 8-K filings submitted to the SEC by Castellum, Inc. (CTM), sorted by most recent first. Each row links to the full filing on EdgarLookup. Castellum, Inc. has filed 86 8-K documents with the SEC since 2021. To view all SEC filings by Castellum, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 144 3 3/A 4 4/A 424B2 424B4 424B5 5 8-A12B 8-K 8-K/A CERT CORRESP D DEF 14A DEF 14C DEFA14A DRS DRS/A DRSLTR EFFECT PRE 14C S-1 S-1/A S-3 S-3/A S-8 SC 13D SC 13G UPLOAD
Form Description Accession Number Filed Period
8-K 8-K 0001877939-26-000012 Mar 5, 2026 Mar 4, 2026
8-K 8-K 0001877939-26-000009 Feb 17, 2026
8-K 8-K 0001877939-26-000007 Jan 8, 2026 Jan 7, 2026
8-K 8-K 0001877939-26-000004 Jan 2, 2026 Jan 1, 2026
8-K 8-K 0001877939-25-000126 Dec 9, 2025 Dec 8, 2025
8-K 8-K 0001877939-25-000124 Nov 13, 2025
8-K 8-K 0001877939-25-000114 Nov 7, 2025
8-K 8-K 0001877939-25-000110 Oct 31, 2025
8-K 8-K 0001877939-25-000108 Oct 21, 2025 Oct 20, 2025
8-K 8-K 0001877939-25-000106 Oct 14, 2025
8-K 8-K 0001877939-25-000089 Aug 19, 2025
8-K 8-K 0001877939-25-000087 Aug 15, 2025 Aug 14, 2025
8-K 8-K 0001877939-25-000085 Aug 12, 2025
8-K 8-K 0001877939-25-000083 Aug 8, 2025
8-K 8-K 0001877939-25-000077 Aug 5, 2025 Aug 4, 2025
8-K 8-K 0001877939-25-000075 Jul 14, 2025
8-K 8-K 0001877939-25-000072 Jul 8, 2025
8-K 8-K 0001877939-25-000070 Jun 24, 2025
8-K 8-K 0001877939-25-000068 Jun 17, 2025 Jun 16, 2025
8-K 8-K 0001877939-25-000062 Jun 13, 2025 Jun 12, 2025
8-K 8-K 0001877939-25-000060 Jun 6, 2025 Jun 5, 2025
8-K 8-K 0001877939-25-000058 Jun 2, 2025
8-K 8-K 0001877939-25-000056 May 28, 2025
8-K 8-K 0001877939-25-000054 May 27, 2025
8-K 8-K 0001877939-25-000051 May 9, 2025
8-K 8-K 0001877939-25-000044 Apr 21, 2025 Apr 17, 2025
8-K 8-K 0001877939-25-000042 Apr 15, 2025
8-K 8-K 0001877939-25-000034 Apr 10, 2025
8-K 8-K 0001877939-25-000030 Apr 4, 2025 Mar 31, 2025
8-K 8-K 0001877939-25-000025 Mar 19, 2025
8-K 8-K 0001628280-25-013445 Mar 18, 2025 Mar 14, 2025
8-K 8-K 0001877939-25-000023 Mar 12, 2025
8-K 8-K 0001877939-25-000013 Feb 28, 2025 Feb 27, 2025
8-K 8-K 0001877939-25-000011 Feb 25, 2025
8-K 8-K 0001877939-25-000006 Jan 14, 2025
8-K 8-K 0001877939-25-000004 Jan 8, 2025
8-K 8-K 0001628280-24-052536 Dec 30, 2024 Dec 26, 2024
8-K 8-K 0001628280-24-052385 Dec 26, 2024 Dec 22, 2024
8-K 8-K 0001877939-24-000073 Nov 4, 2024
8-K 8-K 0001877939-24-000071 Sep 24, 2024
8-K 8-K 0001877939-24-000069 Sep 4, 2024 Sep 2, 2024
8-K 8-K 0001877939-24-000066 Sep 3, 2024 Sep 1, 2024
8-K 8-K 0001877939-24-000062 Aug 9, 2024
8-K 8-K 0001877939-24-000055 Jul 22, 2024
8-K 8-K 0001877939-24-000053 Jul 17, 2024
8-K 8-K 0001877939-24-000051 Jul 10, 2024
8-K 8-K 0001877939-24-000049 Jul 3, 2024 Jul 1, 2024
8-K 8-K 0001877939-24-000046 Jun 7, 2024
8-K 8-K 0001877939-24-000043 Jun 6, 2024
8-K 8-K 0001877939-24-000041 May 29, 2024