M-tron Industries, Inc. - MPTI
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 36
Latest filed: Jun 18, 2026
| Form | Count |
|---|---|
| 4 | 20 |
| 8-K | 9 |
| 4/A | 2 |
| 144 | 2 |
| SCHEDULE 13G | 1 |
| 8-K/A | 1 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jun 18, 2026 | 8-K | Jun 16, 2026 | 0001437749-26-021183 | View |
| May 14, 2026 | 8-K | May 12, 2026 | 0001437749-26-016895 | View |
| May 08, 2026 | 8-K | May 07, 2026 | 0001437749-26-015954 | View |
| May 06, 2026 | 4 | May 04, 2026 | 0001437749-26-015223 | View |
| May 06, 2026 | 4 | May 04, 2026 | 0001437749-26-015227 | View |
| May 06, 2026 | 4 | May 04, 2026 | 0001437749-26-015231 | View |
| May 04, 2026 | 4 | Apr 28, 2026 | 0001437749-26-014702 | View |
| Apr 29, 2026 | 4/A | Apr 09, 2026 | 0001437749-26-013869 | View |
| Apr 29, 2026 | 4 | Apr 10, 2026 | 0001437749-26-013872 | View |
| Apr 28, 2026 | 4 | Apr 13, 2026 | 0001437749-26-013710 | View |
| Apr 28, 2026 | 4 | Apr 20, 2026 | 0000807249-26-000045 | View |
| Apr 27, 2026 | SCHEDULE 13G | — | 0002012383-26-001706 | View |
| Apr 27, 2026 | 8-K | Apr 27, 2026 | 0001437749-26-013378 | View |
| Apr 24, 2026 | 4 | Apr 07, 2026 | 0001437749-26-013240 | View |
| Apr 23, 2026 | 4 | Apr 14, 2026 | 0001437749-26-013090 | View |
| Apr 21, 2026 | 8-K | Apr 21, 2026 | 0001437749-26-012887 | View |
| Apr 16, 2026 | 4 | Apr 14, 2026 | 0001437749-26-012495 | View |
| Apr 14, 2026 | 144 | — | 0001974494-26-000159 | View |
| Apr 14, 2026 | 144 | — | 0001974494-26-000156 | View |
| Apr 09, 2026 | 8-K | Apr 09, 2026 | 0001437749-26-011924 | View |
| Apr 07, 2026 | 4 | Aug 11, 2025 | 0001437749-26-011624 | View |
| Apr 07, 2026 | 4 | Apr 02, 2026 | 0001437749-26-011647 | View |
| Apr 07, 2026 | 4/A | Dec 19, 2025 | 0001437749-26-011621 | View |
| Apr 07, 2026 | 4 | Apr 02, 2026 | 0001437749-26-011622 | View |
| Mar 31, 2026 | 8-K/A | Mar 30, 2026 | 0001437749-26-010738 | View |
| Mar 30, 2026 | 8-K | Mar 30, 2026 | 0001437749-26-010186 | View |
| Mar 27, 2026 | SCHEDULE 13D/A | — | 0000807249-26-000032 | View |
| Mar 24, 2026 | 8-K | Mar 24, 2026 | 0001437749-26-009642 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0000807249-26-000031 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009404 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009405 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009406 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009407 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009409 | View |
| Mar 23, 2026 | 4 | Mar 19, 2026 | 0001437749-26-009410 | View |
| Mar 18, 2026 | 8-K | Mar 18, 2026 | 0001437749-26-008752 | View |