Castellum, Inc. SEC EDGAR Filings (CIK 0001877939)

SEC EDGAR filings, ownership reports, and insider transactions for Castellum, Inc..

Symbol
CTM on NYSE
Industry
Services Management Consulting Services (Office Of Trade & Services)
Business address
1934 Old Gallows Road, Suite 350, Vienna, VA, 22182
State of incorporation
NV
Fiscal year end
31 December
⭐ Add to watchlist ⭐
Get insider transactions for this issuer
Castellum, Inc. has filed 270 SEC EDGAR filings since 19 Oct 2021

Latest Filings

Recent SEC filings for Castellum, Inc. including 8-K, 3, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jan 2026 07 Jan 2026 001-41526
3 Open 3 document View SEC filing for 3 FORM 3 02 Jan 2026 01 Jan 2026
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jan 2026 01 Jan 2026 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 22 Dec 2025 19 Dec 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Dec 2025 15 Dec 2025
4 Open 4 document View SEC filing for 4 FORM 4 12 Dec 2025 10 Dec 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Dec 2025 08 Dec 2025 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 02 Dec 2025 28 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2025 14 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2025 13 Nov 2025 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025
144 Open 144 document View SEC filing for 144 10 Nov 2025 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2025 30 Sep 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2025 07 Nov 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2025 31 Oct 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Oct 2025 20 Oct 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Oct 2025 14 Oct 2025 001-41526
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 S-8 17 Sep 2025 333-290332
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 S-8 17 Sep 2025 333-290331
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2025 15 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 12 Sep 2025 10 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 09 Sep 2025 05 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2025 03 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 28 Aug 2025 27 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 26 Aug 2025 22 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2025 20 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2025 18 Aug 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Aug 2025 19 Aug 2025 001-41526
144 Open 144 document View SEC filing for 144 18 Aug 2025 001-41526
144 Open 144 document View SEC filing for 144 18 Aug 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Aug 2025 14 Aug 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Aug 2025 12 Aug 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2025 08 Aug 2025 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2025 30 Jun 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Aug 2025 04 Aug 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jul 2025 14 Jul 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jul 2025 08 Jul 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Jun 2025 24 Jun 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jun 2025 16 Jun 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Jun 2025 12 Jun 2025 001-41526
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 12 Jun 2025 333-284205
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 11 Jun 2025 333-284205
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2025 05 Jun 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jun 2025 02 Jun 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 May 2025 28 May 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 May 2025 27 May 2025 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 May 2025 19 May 2025
144 Open 144 document View SEC filing for 144 19 May 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2025 09 May 2025 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2025 31 Mar 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Apr 2025 17 Apr 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Apr 2025 15 Apr 2025 001-41526
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 Apr 2025 001-41526
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 11 Apr 2025 28 May 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Apr 2025 10 Apr 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Apr 2025 31 Mar 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Mar 2025 19 Mar 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Mar 2025 14 Mar 2025 001-41526
424B5 Open 424B5 document View SEC filing for 424B5 424B5 17 Mar 2025 333-284205
424B5 Open 424B5 document View SEC filing for 424B5 424B5 14 Mar 2025 333-284205
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Mar 2025 12 Mar 2025 001-41526
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 11 Mar 2025 31 Dec 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2025 05 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2025 05 Mar 2025
144 Open 144 document View SEC filing for 144 04 Mar 2025 001-41526
144 Open 144 document View SEC filing for 144 04 Mar 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Feb 2025 27 Feb 2025 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Feb 2025 25 Feb 2025 001-41526
5 Open 5 document View SEC filing for 5 FORM 5 14 Feb 2025 31 Dec 2024
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Jan 2025 333-284205
4 Open 4 document View SEC filing for 4 FORM 4 24 Jan 2025 22 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 24 Jan 2025 22 Jan 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Jan 2025
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 22 Jan 2025 333-284205
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Jan 2025 333-284205
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jan 2025 14 Jan 2025 001-41526
S-3 Open S-3 document View SEC filing for S-3 S-3 10 Jan 2025 333-284205
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jan 2025 08 Jan 2025 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2025 02 Jan 2025
424B5 Open 424B5 document View SEC filing for 424B5 424B5 30 Dec 2024 333-275840
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2024 26 Dec 2024 001-41526
424B5 Open 424B5 document View SEC filing for 424B5 424B5 27 Dec 2024 333-275840
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Dec 2024 22 Dec 2024 001-41526
424B5 Open 424B5 document View SEC filing for 424B5 424B5 23 Dec 2024 333-275840
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2024 30 Sep 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Nov 2024 04 Nov 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Sep 2024 24 Sep 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2024 04 Sep 2024
3 Open 3 document View SEC filing for 3 FORM 3 04 Sep 2024 01 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 04 Sep 2024 03 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Sep 2024 02 Sep 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2024 01 Sep 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 30 Aug 2024 29 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 29 Aug 2024 28 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Aug 2024 14 Aug 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Aug 2024 09 Aug 2024 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Jul 2024 22 Jul 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jul 2024 17 Jul 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jul 2024 10 Jul 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jul 2024 01 Jul 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Jul 2024 01 Jul 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 24 Jun 2024 20 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Jun 2024 07 Jun 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2024 06 Jun 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 May 2024 29 May 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2024 15 May 2024 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-41526
EFFECT Open EFFECT document View SEC filing for EFFECT 18 Apr 2024 333-278553
424B2 Open 424B2 document View SEC filing for 424B2 424B2 18 Apr 2024 333-278553
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Apr 2024 18 Apr 2024 001-41526
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 16 Apr 2024 001-41526
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 16 Apr 2024 29 May 2024 001-41526
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Apr 2024 333-278553
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Apr 2024
S-3 Open S-3 document View SEC filing for S-3 S-3 08 Apr 2024 333-278553
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2024 21 Mar 2024 001-41526
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Mar 2024 31 Dec 2023 001-41526
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEF 14C 27 Feb 2024 27 Feb 2024 001-41526
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2024 23 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Feb 2024 22 Feb 2024 001-41526
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRE 14C 16 Feb 2024 16 Feb 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jan 2024 29 Jan 2024 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Jan 2024 25 Jan 2024 001-41526
424B5 Open 424B5 document View SEC filing for 424B5 424B5 29 Jan 2024 333-275840
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Dec 2023 333-275840
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Dec 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Dec 2023
S-3 Open S-3 document View SEC filing for S-3 S-3 01 Dec 2023 333-275840
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Nov 2023 27 Nov 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2023 14 Nov 2023 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2023 31 Oct 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Oct 2023 20 Oct 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Aug 2023 29 Aug 2023 001-41526
3/A Open 3/A document View SEC filing for 3/A 24 Aug 2023 12 Oct 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2023 30 Jun 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Aug 2023 14 Aug 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 31 Jul 2023 31 Jul 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Jun 2023 30 Jun 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 Jun 2023 26 Jun 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Jun 2023 14 Jun 2023 001-41526
4 Open 4 document View SEC filing for 4 14 Jun 2023 13 Jun 2023
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A FORM 8-K/A 05 Jun 2023 22 Mar 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 May 2023 30 May 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 May 2023 26 May 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 May 2023 24 May 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 15 May 2023 15 May 2023 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2023 31 Mar 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 May 2023 11 May 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Apr 2023 26 Apr 2023 001-41526
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 10 Apr 2023 001-41526
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 10 Apr 2023 25 May 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 06 Apr 2023 05 Apr 2023 001-41526
4 Open 4 document View SEC filing for 4 03 Apr 2023 01 Apr 2023
4 Open 4 document View SEC filing for 4 03 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 03 Apr 2023 01 Apr 2023
4 Open 4 document View SEC filing for 4 31 Mar 2023 29 Mar 2023
4 Open 4 document View SEC filing for 4 30 Mar 2023 28 Mar 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 28 Mar 2023 22 Mar 2023 001-41526
4 Open 4 document View SEC filing for 4 27 Mar 2023 24 Mar 2023
4 Open 4 document View SEC filing for 4 24 Mar 2023 22 Mar 2023
4 Open 4 document View SEC filing for 4 24 Mar 2023 22 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 21 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 21 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 21 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 22 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 21 Mar 2023
4 Open 4 document View SEC filing for 4 23 Mar 2023 21 Mar 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 20 Mar 2023 20 Mar 2023 001-41526
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Mar 2023 17 Mar 2023
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Mar 2023 31 Dec 2022 001-41526
4 Open 4 document View SEC filing for 4 16 Mar 2023 15 Mar 2023
4 Open 4 document View SEC filing for 4 15 Mar 2023 14 Mar 2023
4 Open 4 document View SEC filing for 4 13 Mar 2023 10 Mar 2023
4 Open 4 document View SEC filing for 4 06 Mar 2023 03 Mar 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 01 Mar 2023 01 Mar 2023 001-41526
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 23 Feb 2023 005-93799
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 Feb 2023 13 Feb 2023 001-41526
4 Open 4 document View SEC filing for 4 10 Feb 2023 10 Feb 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 24 Jan 2023 23 Jan 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 19 Jan 2023 13 Jan 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 18 Jan 2023 18 Jan 2023 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Dec 2022 21 Dec 2022 001-41526
4 Open 4 document View SEC filing for 4 21 Dec 2022 20 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Dec 2022 12 Dec 2022 001-41526
4 Open 4 document View SEC filing for 4 09 Dec 2022 02 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Dec 2022 07 Dec 2022 001-41526
4 Open 4 document View SEC filing for 4 08 Dec 2022 06 Dec 2022
4 Open 4 document View SEC filing for 4 06 Dec 2022 02 Dec 2022
4 Open 4 document View SEC filing for 4 06 Dec 2022 05 Dec 2022
4 Open 4 document View SEC filing for 4 06 Dec 2022 02 Dec 2022
4 Open 4 document View SEC filing for 4 05 Dec 2022 01 Dec 2022
4 Open 4 document View SEC filing for 4 05 Dec 2022 02 Dec 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 29 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 29 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 30 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 28 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 16 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 25 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 28 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 30 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 28 Nov 2022
4/A Open 4/A document View SEC filing for 4/A 02 Dec 2022 01 Dec 2022
4 Open 4 document View SEC filing for 4 02 Dec 2022 01 Dec 2022
4 Open 4 document View SEC filing for 4 02 Dec 2022 30 Nov 2022
4 Open 4 document View SEC filing for 4 01 Dec 2022 29 Nov 2022
4 Open 4 document View SEC filing for 4 01 Dec 2022 30 Nov 2022
4 Open 4 document View SEC filing for 4 30 Nov 2022 29 Nov 2022
4 Open 4 document View SEC filing for 4 30 Nov 2022 28 Nov 2022
4 Open 4 document View SEC filing for 4 29 Nov 2022 28 Nov 2022
4 Open 4 document View SEC filing for 4 29 Nov 2022 28 Nov 2022
4 Open 4 document View SEC filing for 4 25 Nov 2022 25 Nov 2022
4 Open 4 document View SEC filing for 4 17 Nov 2022 16 Nov 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 15 Nov 2022 15 Nov 2022 001-41526
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 Nov 2022 30 Sep 2022 001-41526
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Nov 2022 04 Nov 2022 001-41526
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Oct 2022 005-93799
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 24 Oct 2022 005-93799
4 Open 4 document View SEC filing for 4 20 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 20 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 20 Oct 2022 17 Oct 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 18 Oct 2022 12 Oct 2022 001-41526
424B4 Open 424B4 document View SEC filing for 424B4 FORM 424B4 14 Oct 2022 333-267249
424B4 Open 424B4 document View SEC filing for 424B4 FORM 424B4 14 Oct 2022 333-267249
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Oct 2022 333-267249
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
3 Open 3 document View SEC filing for 3 12 Oct 2022 12 Oct 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Oct 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Oct 2022
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 11 Oct 2022 333-267249
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Oct 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Oct 2022
CERT Open CERT document View SEC filing for CERT NYSE AMERICAN CERTIFICATION 06 Oct 2022 001-41526
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 06 Oct 2022 001-41526
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 06 Oct 2022 333-267249
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Oct 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Oct 2022
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 04 Oct 2022 333-267249
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Sep 2022
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 30 Sep 2022 333-267249
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Sep 2022
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 02 Sep 2022 333-267249
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 Aug 2022
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 11 Aug 2022
DRS/A Open DRS/A document View SEC filing for DRS/A 11 Aug 2022 377-06247
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Jul 2022
DRS Open DRS document View SEC filing for DRS 29 Jun 2022 377-06247
D Open D document View SEC filing for D 19 Oct 2021 021-417484

About this filer

Castellum, Inc. files with the SEC under CIK 0001877939. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Management Consulting Services.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages