Company · CIK 1877939 # Castellum, Inc. | CIK | [1877939](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001877939) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 8742 — Services-Management Consulting Services | | Incorporated in | NV | | Business address | VA | | Listed | CTM (NYSE) | | First annual or quarterly report | 2022-11-14 | ## Offerings 4 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-284205 | Shelf Effective | 2025-01-10 | 2025-06-12 | 6 | | 333-275840 | Shelf Effective | 2023-12-01 | 2024-12-30 | 6 | | 333-278553 | Shelf Effective | 2024-04-08 | 2024-04-18 | 2 | | 333-267249 | IPO Final prospectus | 2022-09-02 | 2022-10-14 | 8 | ## Filings 23 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-06-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000121390025053929/0001213900-25-053929-index.htm) Shelf takedown | 333-284205 | 0001213900-25-053929 | | 2025-06-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000121390025053488/0001213900-25-053488-index.htm) Shelf takedown | 333-284205 | 0001213900-25-053488 | | 2025-03-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828025013083/0001628280-25-013083-index.htm) Shelf takedown | 333-284205 | 0001628280-25-013083 | | 2025-03-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828025012848/0001628280-25-012848-index.htm) Shelf takedown | 333-284205 | 0001628280-25-012848 | | 2025-01-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1877939/999999999525000188/9999999995-25-000188-index.htm) Declared effective | 333-284205 | 9999999995-25-000188 | | 2025-01-10 | [S-3](https://www.sec.gov/Archives/edgar/data/1877939/000162828025001121/0001628280-25-001121-index.htm) Shelf registered | 333-284205 | 0001628280-25-001121 | | 2024-12-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828024052531/0001628280-24-052531-index.htm) Shelf takedown | 333-275840 | 0001628280-24-052531 | | 2024-12-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828024052467/0001628280-24-052467-index.htm) Shelf takedown | 333-275840 | 0001628280-24-052467 | | 2024-12-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828024052349/0001628280-24-052349-index.htm) Shelf takedown | 333-275840 | 0001628280-24-052349 | | 2024-04-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1877939/999999999524001031/9999999995-24-001031-index.htm) Declared effective | 333-278553 | 9999999995-24-001031 | | 2024-04-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1877939/000162828024015230/0001628280-24-015230-index.htm) Shelf registered | 333-278553 | 0001628280-24-015230 | | 2024-01-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1877939/000162828024002399/0001628280-24-002399-index.htm) Shelf takedown | 333-275840 | 0001628280-24-002399 | | 2023-12-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1877939/999999999523003603/9999999995-23-003603-index.htm) Declared effective | 333-275840 | 9999999995-23-003603 | | 2023-12-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1877939/000162828023040430/0001628280-23-040430-index.htm) Shelf registered | 333-275840 | 0001628280-23-040430 | | 2022-10-14 | [424B4](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000981/0001575872-22-000981-index.htm) Final prospectus | 333-267249 | 0001575872-22-000981 | | 2022-10-14 | [424B4](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000980/0001575872-22-000980-index.htm) Final prospectus | 333-267249 | 0001575872-22-000980 | | 2022-10-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1877939/999999999522003020/9999999995-22-003020-index.htm) Declared effective | 333-267249 | 9999999995-22-003020 | | 2022-10-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000944/0001575872-22-000944-index.htm) Amendment | 333-267249 | 0001575872-22-000944 | | 2022-10-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000929/0001575872-22-000929-index.htm) Amendment | 333-267249 | 0001575872-22-000929 | | 2022-10-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000916/0001575872-22-000916-index.htm) Amendment | 333-267249 | 0001575872-22-000916 | | 2022-09-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000904/0001575872-22-000904-index.htm) Amendment | 333-267249 | 0001575872-22-000904 | | 2022-09-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000848/0001575872-22-000848-index.htm) Registration filed | 333-267249 | 0001575872-22-000848 | | 2022-06-29 | [DRS](https://www.sec.gov/Archives/edgar/data/1877939/000157587222000589/0001575872-22-000589-index.htm) Draft made public | 377-06247 | 0001575872-22-000589 | [All filings of this company](https://equitycapital.markets/filings?cik=1877939) · [CSV](https://equitycapital.markets/filings.csv?cik=1877939) --- Source page: https://equitycapital.markets/company/1877939 · Data: U.S. SEC EDGAR · CC BY 4.0