M-tron Industries, Inc. SEC filings MPTI
M-tron Industries, Inc. has 283 filings in SEC EDGAR's recent list, going back to May 11, 2022. Its latest annual report, Form ARS, was filed on May 13, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 31, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 23, 2026 | — |
| 4 | Insider transaction | Aug 19, 2026 | Aug 11, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 4 | Insider transaction | Aug 5, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Mar 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 3, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 4, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 10, 2026 |
| 4/A | Form 4/a | Apr 29, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 28, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 28, 2026 | Apr 20, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 27, 2026 | — |
| 4 | Insider transaction | Apr 24, 2026 | Apr 7, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 14, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Aug 11, 2025 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 2, 2026 |
| 4/A | Form 4/a | Apr 7, 2026 | Dec 19, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 31, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 30, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 30, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 4, 2025 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 19, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Jun 27, 2025 | Jun 27, 2025 |
| 4 | Insider transaction | May 30, 2025 | May 28, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Oct 3, 2024 |
| 3 | Initial insider ownership | Apr 4, 2025 | Oct 3, 2024 |
| 4 | Insider transaction | Mar 31, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 16, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2024 | — |
| 4 | Insider transaction | Nov 20, 2024 | Nov 19, 2024 |
| 4 | Insider transaction | Nov 18, 2024 | Nov 15, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2024 | — |
| 4 | Insider transaction | Nov 15, 2024 | Nov 14, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 8, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 8, 2024 | — |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Oct 15, 2024 | Oct 11, 2024 |
| 4 | Insider transaction | Oct 15, 2024 | Oct 10, 2024 |
| 4 | Insider transaction | Oct 1, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Sep 10, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 27, 2024 | Aug 26, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 21, 2024 | — |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Jun 25, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | May 29, 2024 | Apr 8, 2024 |
| 4 | Insider transaction | Apr 23, 2024 | Apr 19, 2024 |
| 4 | Insider transaction | Apr 10, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 4, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 7, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 16, 2024 | — |
| 4 | Insider transaction | Jan 16, 2024 | Dec 21, 2023 |
| 4 | Insider transaction | Jan 12, 2024 | Jan 10, 2024 |
| 4 | Insider transaction | Jan 10, 2024 | Jan 9, 2024 |
| 144 | Notice of proposed sale | Jan 10, 2024 | — |
| 144 | Notice of proposed sale | Jan 9, 2024 | — |
| 4 | Insider transaction | Jan 8, 2024 | Jan 5, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 8, 2024 | — |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 5, 2024 | Jan 3, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 3, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 3, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 7, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 26, 2023 | — |
| 4 | Insider transaction | Dec 26, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 14, 2023 |
| 144 | Notice of proposed sale | Dec 13, 2023 | — |
| 4 | Insider transaction | Dec 13, 2023 | Dec 11, 2023 |
| 144 | Notice of proposed sale | Dec 12, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 12, 2023 | — |
| 4 | Insider transaction | Dec 12, 2023 | Dec 5, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 11, 2023 | — |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 7, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 6, 2023 | Dec 4, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 5, 2023 | — |
| SC 13D | Ownership over 5% (active) | Dec 5, 2023 | — |
| 4 | Insider transaction | Dec 5, 2023 | Nov 29, 2023 |
| 3 | Initial insider ownership | Dec 5, 2023 | Nov 28, 2023 |
| 4 | Insider transaction | Nov 28, 2023 | Nov 28, 2023 |
| 4 | Insider transaction | Nov 22, 2023 | Nov 22, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Nov 16, 2023 | Nov 15, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2023 | — |
| 4 | Insider transaction | Nov 14, 2023 | Nov 13, 2023 |
| 4 | Insider transaction | Oct 11, 2023 | Oct 10, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2023 | — |
| 4 | Insider transaction | Sep 13, 2023 | Sep 13, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 11, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 23, 2023 |
| 4 | Insider transaction | Aug 11, 2023 | Aug 9, 2023 |
| 4 | Insider transaction | Aug 11, 2023 | Aug 9, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 15, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 11, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| 4 | Insider transaction | Apr 17, 2023 | Apr 14, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Apr 3, 2023 |
| 5 | Annual insider ownership | Jan 9, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Dec 30, 2022 | Dec 28, 2022 |
| 3 | Initial insider ownership | Dec 15, 2022 | Dec 8, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Dec 1, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 17, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 17, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 17, 2022 | Oct 7, 2022 |
| SC 13D | Ownership over 5% (active) | Oct 14, 2022 | — |
| 3 | Initial insider ownership | Oct 14, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 14, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 13, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 7, 2022 |
| 4 | Insider transaction | Oct 12, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 7, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 7, 2022 |
Showing 168 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electronic Components, NEC (SIC 3679)
- Listed as
- MPTI (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Orlando, FL
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1902314
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.