Browse the latest SEC filings and forms submitted by Castellum, Inc. (CTM). Access annual reports, quarterly statements, and other official disclosures.
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Search Company Filings →| Form | Filing Date | Description | Link |
|---|---|---|---|
| 4 | March 27, 2026 | FORM 4 | View Document |
| 4 | March 27, 2026 | FORM 4 | View Document |
| 4 | March 27, 2026 | FORM 4 | View Document |
| 4 | March 26, 2026 | FORM 4 | View Document |
| 4 | March 20, 2026 | FORM 4 | View Document |
| 4 | March 18, 2026 | FORM 4 | View Document |
| 144 | March 17, 2026 | - | View Document |
| 10-K | March 9, 2026 | 10-K | View Document |
| 8-K | March 5, 2026 | 8-K | View Document |
| 8-K | Feb. 17, 2026 | 8-K | View Document |
| 8-K | Jan. 8, 2026 | 8-K | View Document |
| 3 | Jan. 2, 2026 | FORM 3 | View Document |
| 8-K | Jan. 2, 2026 | 8-K | View Document |
| 4 | Dec. 22, 2025 | FORM 4 | View Document |
| 4 | Dec. 17, 2025 | FORM 4 | View Document |
| 4 | Dec. 12, 2025 | FORM 4 | View Document |
| 8-K | Dec. 9, 2025 | 8-K | View Document |
| 4 | Dec. 2, 2025 | FORM 4 | View Document |
| 4 | Nov. 18, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 8-K | Nov. 13, 2025 | 8-K | View Document |
| 4 | Nov. 13, 2025 | FORM 4 | View Document |
| 144 | Nov. 10, 2025 | - | View Document |
| 10-Q | Nov. 7, 2025 | 10-Q | View Document |
| 8-K | Nov. 7, 2025 | 8-K | View Document |
| 8-K | Oct. 31, 2025 | 8-K | View Document |
| 8-K | Oct. 21, 2025 | 8-K | View Document |
| 8-K | Oct. 14, 2025 | 8-K | View Document |
| S-8 | Sept. 17, 2025 | S-8 | View Document |
| S-8 | Sept. 17, 2025 | S-8 | View Document |
| 4 | Sept. 17, 2025 | FORM 4 | View Document |
| 4 | Sept. 12, 2025 | FORM 4 | View Document |
| 4 | Sept. 9, 2025 | FORM 4 | View Document |
| 4 | Sept. 3, 2025 | FORM 4 | View Document |
| 4 | Aug. 28, 2025 | FORM 4 | View Document |
| 4 | Aug. 26, 2025 | FORM 4 | View Document |
| 4 | Aug. 21, 2025 | FORM 4 | View Document |
| 4 | Aug. 20, 2025 | FORM 4 | View Document |
| 8-K | Aug. 19, 2025 | 8-K | View Document |
| 144 | Aug. 18, 2025 | - | View Document |
| 144 | Aug. 18, 2025 | - | View Document |
| 8-K | Aug. 15, 2025 | 8-K | View Document |
| 8-K | Aug. 12, 2025 | 8-K | View Document |
| 8-K | Aug. 8, 2025 | 8-K | View Document |
| 10-Q | Aug. 8, 2025 | 10-Q | View Document |
| 8-K | Aug. 5, 2025 | 8-K | View Document |
| 8-K | July 14, 2025 | 8-K | View Document |
| 8-K | July 8, 2025 | 8-K | View Document |
| 8-K | June 24, 2025 | 8-K | View Document |
| 8-K | June 17, 2025 | 8-K | View Document |
| 8-K | June 13, 2025 | 8-K | View Document |
| 424B5 | June 12, 2025 | PROSPECTUS SUPPLEMENT | View Document |
| 424B5 | June 11, 2025 | PROSPECTUS SUPPLEMENT | View Document |
| 8-K | June 6, 2025 | 8-K | View Document |
| 8-K | June 2, 2025 | 8-K | View Document |
| 8-K | May 28, 2025 | 8-K | View Document |
| 8-K | May 27, 2025 | 8-K | View Document |
| 4 | May 20, 2025 | FORM 4 | View Document |
| 4 | May 20, 2025 | FORM 4 | View Document |
| 144 | May 19, 2025 | - | View Document |
| 8-K | May 9, 2025 | 8-K | View Document |
| 10-Q | May 9, 2025 | 10-Q | View Document |
| 8-K | April 21, 2025 | 8-K | View Document |
| 8-K | April 15, 2025 | 8-K | View Document |
| DEF 14A | April 11, 2025 | DEF 14A | View Document |
| DEFA14A | April 11, 2025 | DEFA14A | View Document |
| 8-K | April 10, 2025 | 8-K | View Document |
| 8-K | April 4, 2025 | 8-K | View Document |
| 8-K | March 19, 2025 | 8-K | View Document |
| 8-K | March 18, 2025 | 8-K | View Document |
| 424B5 | March 17, 2025 | 424B5 | View Document |
| 424B5 | March 14, 2025 | 424B5 | View Document |
| 8-K | March 12, 2025 | 8-K | View Document |
| 10-K | March 11, 2025 | 10-K | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 4 | March 6, 2025 | FORM 4 | View Document |
| 144 | March 4, 2025 | - | View Document |
| 144 | March 4, 2025 | - | View Document |
| 8-K | Feb. 28, 2025 | 8-K | View Document |
| 8-K | Feb. 25, 2025 | 8-K | View Document |
| 5 | Feb. 14, 2025 | FORM 5 | View Document |
| EFFECT | Jan. 24, 2025 | - | View Document |
| 4 | Jan. 24, 2025 | FORM 4 | View Document |
| 4 | Jan. 24, 2025 | FORM 4 | View Document |
| CORRESP | Jan. 23, 2025 | - | View Document |
| S-3/A | Jan. 22, 2025 | S-3/A | View Document |
| UPLOAD | Jan. 21, 2025 | - | View Document |
| 8-K | Jan. 14, 2025 | 8-K | View Document |
| S-3 | Jan. 10, 2025 | S-3 | View Document |
| 8-K | Jan. 8, 2025 | 8-K | View Document |
| 4 | Jan. 3, 2025 | FORM 4 | View Document |
| 8-K | Dec. 30, 2024 | 8-K | View Document |
| 424B5 | Dec. 30, 2024 | 424B5 | View Document |
| 424B5 | Dec. 27, 2024 | 424B5 | View Document |
| 8-K | Dec. 26, 2024 | 8-K | View Document |
| 424B5 | Dec. 23, 2024 | 424B5 | View Document |
| 10-Q | Nov. 13, 2024 | 10-Q | View Document |
| 8-K | Nov. 4, 2024 | 8-K | View Document |
| 8-K | Sept. 24, 2024 | 8-K | View Document |
| 4 | Sept. 5, 2024 | FORM 4 | View Document |
| 8-K | Sept. 4, 2024 | 8-K | View Document |
| 4 | Sept. 4, 2024 | FORM 4 | View Document |
| 3 | Sept. 4, 2024 | FORM 3 | View Document |
| 8-K | Sept. 3, 2024 | 8-K | View Document |
| 4 | Aug. 30, 2024 | FORM 4 | View Document |
| 4 | Aug. 29, 2024 | FORM 4 | View Document |
| 4 | Aug. 14, 2024 | FORM 4 | View Document |
| 8-K | Aug. 9, 2024 | 8-K | View Document |
| 10-Q | Aug. 9, 2024 | 10-Q | View Document |
| 8-K | July 22, 2024 | 8-K | View Document |
| 8-K | July 17, 2024 | 8-K | View Document |
| 8-K | July 10, 2024 | 8-K | View Document |
| 4 | July 3, 2024 | FORM 4 | View Document |
| 4 | July 3, 2024 | FORM 4 | View Document |
| 4 | July 3, 2024 | FORM 4 | View Document |
| 4 | July 3, 2024 | FORM 4 | View Document |
| 4 | July 3, 2024 | FORM 4 | View Document |
| 8-K | July 3, 2024 | 8-K | View Document |
| 4 | June 24, 2024 | FORM 4 | View Document |
| 8-K | June 7, 2024 | 8-K | View Document |
| 8-K | June 6, 2024 | 8-K | View Document |
| 8-K | May 29, 2024 | 8-K | View Document |
| 10-Q | May 15, 2024 | 10-Q | View Document |
| 8-K | May 15, 2024 | 8-K | View Document |
| 424B2 | April 18, 2024 | 424B2 | View Document |
| EFFECT | April 18, 2024 | - | View Document |
| 8-K | April 18, 2024 | 8-K | View Document |
| DEF 14A | April 16, 2024 | DEF 14A | View Document |
| UPLOAD | April 16, 2024 | - | View Document |
| CORRESP | April 16, 2024 | - | View Document |
| DEFA14A | April 16, 2024 | DEFA14A | View Document |
| S-3 | April 8, 2024 | S-3 | View Document |
| 8-K | March 21, 2024 | 8-K | View Document |
| 10-K | March 21, 2024 | 10-K | View Document |
| DEF 14C | Feb. 27, 2024 | DEF 14C | View Document |
| 8-K | Feb. 23, 2024 | 8-K | View Document |
| 4 | Feb. 23, 2024 | FORM 4 | View Document |
| PRE 14C | Feb. 16, 2024 | PRE 14C | View Document |
| 8-K | Jan. 30, 2024 | 8-K | View Document |
| 424B5 | Jan. 29, 2024 | 424B5 | View Document |
| 8-K | Jan. 29, 2024 | 8-K | View Document |
| EFFECT | Dec. 12, 2023 | - | View Document |
| UPLOAD | Dec. 8, 2023 | - | View Document |
| CORRESP | Dec. 8, 2023 | - | View Document |
| S-3 | Dec. 1, 2023 | S-3 | View Document |
| 8-K | Nov. 27, 2023 | 8-K | View Document |
| 8-K | Nov. 14, 2023 | 8-K | View Document |
| 10-Q | Nov. 14, 2023 | 10-Q | View Document |
| 8-K | Oct. 31, 2023 | 8-K | View Document |
| 8-K | Oct. 20, 2023 | 8-K | View Document |
| 8-K | Aug. 29, 2023 | FORM 8-K | View Document |
| 3/A | Aug. 24, 2023 | - | View Document |
| 8-K | Aug. 14, 2023 | FORM 8-K | View Document |
| 10-Q | Aug. 14, 2023 | 10-Q | View Document |
| 8-K | July 31, 2023 | FORM 8-K | View Document |
| 8-K | June 30, 2023 | FORM 8-K | View Document |
| 8-K | June 27, 2023 | FORM 8-K | View Document |
| 8-K | June 14, 2023 | FORM 8-K | View Document |
| 4 | June 14, 2023 | - | View Document |
| 8-K/A | June 5, 2023 | FORM 8-K/A | View Document |
| 8-K | May 30, 2023 | FORM 8-K | View Document |
| 8-K | May 26, 2023 | FORM 8-K | View Document |
| 8-K | May 25, 2023 | FORM 8-K | View Document |
| 10-Q | May 15, 2023 | 10-Q | View Document |
| 8-K | May 15, 2023 | FORM 8-K | View Document |
| 8-K | May 12, 2023 | FORM 8-K | View Document |
| 8-K | April 26, 2023 | FORM 8-K | View Document |
| DEF 14A | April 10, 2023 | DEF 14A | View Document |
| DEFA14A | April 10, 2023 | DEFA14A | View Document |
| 8-K | April 6, 2023 | FORM 8-K | View Document |
| 4 | April 3, 2023 | - | View Document |
| 4 | April 3, 2023 | - | View Document |
| 4 | April 3, 2023 | - | View Document |
| 4 | March 31, 2023 | - | View Document |
| 4 | March 30, 2023 | - | View Document |
| 8-K | March 28, 2023 | FORM 8-K | View Document |
| 4 | March 27, 2023 | - | View Document |
| 4 | March 24, 2023 | - | View Document |
| 4 | March 24, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 4 | March 23, 2023 | - | View Document |
| 8-K | March 20, 2023 | FORM 8-K | View Document |
| 4 | March 20, 2023 | PRIMARY DOCUMENT | View Document |
| 10-K | March 17, 2023 | 10-K | View Document |
| 4 | March 16, 2023 | - | View Document |
| 4 | March 15, 2023 | - | View Document |
| 4 | March 13, 2023 | - | View Document |
| 4 | March 6, 2023 | - | View Document |
| 8-K | March 1, 2023 | FORM 8-K | View Document |
| SC 13G | Feb. 23, 2023 | SCHEDULE 13G | View Document |
| 8-K | Feb. 16, 2023 | FORM 8-K | View Document |
| 4 | Feb. 10, 2023 | - | View Document |
| 8-K | Jan. 24, 2023 | FORM 8-K | View Document |
| 8-K | Jan. 19, 2023 | FORM 8-K | View Document |
| 8-K | Jan. 18, 2023 | FORM 8-K | View Document |
| 8-K | Dec. 21, 2022 | FORM 8-K | View Document |
| 4 | Dec. 21, 2022 | - | View Document |
| 8-K | Dec. 14, 2022 | FORM 8-K | View Document |
| 4 | Dec. 9, 2022 | - | View Document |
| 8-K | Dec. 9, 2022 | FORM 8-K | View Document |
| 4 | Dec. 8, 2022 | - | View Document |
| 4 | Dec. 6, 2022 | - | View Document |
| 4 | Dec. 6, 2022 | - | View Document |
| 4 | Dec. 6, 2022 | - | View Document |
| 4 | Dec. 5, 2022 | - | View Document |
| 4 | Dec. 5, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4/A | Dec. 2, 2022 | - | View Document |
| 4 | Dec. 2, 2022 | - | View Document |
| 4 | Dec. 2, 2022 | - | View Document |
| 4 | Dec. 1, 2022 | - | View Document |
| 4 | Dec. 1, 2022 | - | View Document |
| 4 | Nov. 30, 2022 | - | View Document |
| 4 | Nov. 30, 2022 | - | View Document |
| 4 | Nov. 29, 2022 | - | View Document |
| 4 | Nov. 29, 2022 | - | View Document |
| 4 | Nov. 25, 2022 | - | View Document |
| 4 | Nov. 17, 2022 | - | View Document |
| 8-K | Nov. 15, 2022 | FORM 8-K | View Document |
| 10-Q | Nov. 14, 2022 | FORM 10-Q | View Document |
| 8-K | Nov. 8, 2022 | FORM 8-K | View Document |
| SC 13D | Oct. 24, 2022 | SCHEDULE 13D | View Document |
| SC 13D | Oct. 24, 2022 | SCHEDULE 13D | View Document |
| 4 | Oct. 20, 2022 | - | View Document |
| 4 | Oct. 20, 2022 | - | View Document |
| 4 | Oct. 20, 2022 | - | View Document |
| 8-K | Oct. 18, 2022 | FORM 8-K | View Document |
| 424B4 | Oct. 14, 2022 | FORM 424B4 | View Document |
| 424B4 | Oct. 14, 2022 | FORM 424B4 | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| 3 | Oct. 12, 2022 | - | View Document |
| EFFECT | Oct. 12, 2022 | - | View Document |
| CORRESP | Oct. 11, 2022 | - | View Document |
| S-1/A | Oct. 11, 2022 | FORM S-1/A | View Document |
| CORRESP | Oct. 11, 2022 | - | View Document |
| S-1/A | Oct. 6, 2022 | FORM S-1/A | View Document |
| 8-A12B | Oct. 6, 2022 | FORM 8-A12B | View Document |
| CERT | Oct. 6, 2022 | NYSE AMERICAN CERTIFICATION | View Document |
| CORRESP | Oct. 6, 2022 | - | View Document |
| CORRESP | Oct. 6, 2022 | - | View Document |
| CORRESP | Oct. 5, 2022 | - | View Document |
| CORRESP | Oct. 5, 2022 | - | View Document |
| S-1/A | Oct. 4, 2022 | FORM S-1/A | View Document |
| CORRESP | Sept. 30, 2022 | - | View Document |
| S-1/A | Sept. 30, 2022 | FORM S-1/A | View Document |
| UPLOAD | Sept. 27, 2022 | - | View Document |
| S-1 | Sept. 2, 2022 | FORM S-1 | View Document |
| UPLOAD | Aug. 22, 2022 | - | View Document |
| DRSLTR | Aug. 11, 2022 | - | View Document |
| DRS/A | Aug. 11, 2022 | - | View Document |
| UPLOAD | July 26, 2022 | - | View Document |
| DRS | June 29, 2022 | - | View Document |
| D | Oct. 19, 2021 | - | View Document |