MPTI — M-tron Industries, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2022-10-07.
Performance
Technicals
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Measured signals that fired on MPTI
| date | signal | measured base rate |
|---|---|---|
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-01 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-04 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-06 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-03-24 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-11 | Biles Linda M Executive VP - Finance | Open-market sale | 1.2K | 85.05 | 103.6K |
| 2026-05-04 | Pforr Cameron CEO and CFO | Open-market sale | 840 | 66.78 | 56.1K |
| 2026-05-04 | Drafts William Arnold President | Open-market sale | 361 | 66.78 | 24.1K |
| 2026-05-04 | Biles Linda M Executive VP - Finance | Open-market sale | 306 | 66.78 | 20.4K |
| 2026-04-29 | Pforr Cameron CEO and CFO | Option exercise | 220 | 40.32 | 8.9K |
| 2026-04-28 | Pforr Cameron CEO and CFO | Option exercise | 220 | 40.32 | 8.9K |
| 2026-04-27 | Arteaga Ivan Director | Option Exercise | 24 | 59.00 | 1.4K |
| 2026-04-20 | GABELLI MARC Director | Option Exercise | 3.3K | 59.00 | 193.3K |
| 2026-04-20 | Susanto Hendi Director | Option Exercise | 1.1K | 59.00 | 63.2K |
| 2026-04-14 | Susanto Hendi Director | Option Exercise | 454 | 59.00 | 26.8K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| GAMCO INVESTORS, INC. ET AL | 11.3M | 168.4K |
| BlackRock, Inc. | 9.5M | 141.7K |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.8M | 116.8K |
| NEXT CENTURY GROWTH INVESTORS LLC | 7.2M | 108.2K |
| RENAISSANCE TECHNOLOGIES LLC | 6.5M | 96.8K |
| BARD ASSOCIATES INC | 5.7M | 85.5K |
| Palisades Investment Partners, LLC | 5.4M | 81.0K |
| Archon Capital Management LLC | 5.2M | 78.2K |
| NOMURA HOLDINGS INC | 4.8M | 72.5K |
| Aristides Capital LLC | 4.4M | 65.7K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- M-tron Industries wins $4.5M air defense order with 50% higher annual volume · 2026-08-18
- M-tron Industries, Inc. to Present and Host 1x1 Investor Meetings at the 17th Annual Midwest IDEAS Investor Conference on August 27th in Chicago, IL · 2026-08-17
- M-tron Industries, Inc. (MPTI) filed form 8-K · 2026-08-12 · SEC EDGAR
- M-tron Industries, Inc. Reports Second Quarter 2026 Results · 2026-08-12
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