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No insider purchase over the last 90 days. The latest was filed 27 Jun 2025.
M-tron Industries, Inc.: what insiders have been doing
M-tron Industries, Inc. is a Industry company. Its directors and officers file their transactions with SEC (Form 4). The last twelve months, up to 18 October 2026, brought 32 filings signed by 11 insiders.
Only sales appear on the open market, 2 sales in all totalling €90k, filed by 1 insider. The totals do not cover 1 filing with an undisclosed amount. The largest single trade was a sale of €90k by Biles Linda M, published on 19 August 2026, equal to 0.031% of the market capitalisation.
The median gap between a trade and its publication by SEC (Form 4) is 5 days. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
With 32 filings in twelve months, the company is more active than the median of 19 filings across the 5,810 companies we follow on the same exchange. Over the whole record (from 2022), the tally stands at 4 purchases and 23 sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 December 2025), the company reported revenue of 54.4 m USD and net income of 8.4 m USD.
Other companies in the same sector with recent insider buying flagged by our signals: Tennant Co and Butler National Corp. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Insider Decl.
117
Thresholds
n/a
Buy Volume
€63,245
4 ops. · all time
Sell Volume
€7M
23 ops. · all time
Who traded when
BuySaleGabelli Mario J2 sales
Linda M. Biles2 sales
William Arnold Drafts1 buy
Since the insiders bought
- +135.9%Entry US$42.00 · Close at T+365 US$99.06
- +83.7%Entry US$34.01 · Close at T+365 US$62.48
- +83.5%Entry US$19.61 · Close at T+365 US$35.99
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 8,223 of 24,161 companies
59.5
score / 100
Value40
Quality79
FCF yld2.8%
Earn yld2.9%
EV/EBITDA25.4x
ROE12%
Gross mgn44%
Net mgn16%
Debt/EBITDA0.0x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$66.61
Analyst consensus
2 analysts3.00/5
US$88.00Target US$89.00(+34%)US$90.00
Income statement
RevenueUS$54.4M
Gross profitUS$24.1M44% margin
EBITDAUS$11.4M21% margin
Net incomeUS$8.4M16.3% margin
Valuation
PER (trailing)27.0x
PER (forward)22.9x
P/Book2.4x
Beta0.74
Balance sheet & cash
Market capUS$289.5M
Total debtUS$148k
Free Cash FlowUS$8.1M
Debt / Equity0%
Profitability & ownership
ROE12.4%
ROA8.1%
% insiders5.7%
% institutions68.4%
Last declaration on 19 August 2026
Declarations117 total
1,218 shares@ US$85.050.031% mcap16.2% of flowCommon StockSEC:0001437749-26-028543:0
1,218 shares@ US$85.04925.53% mcap100.0% of flowCommon StockSEC144:0001974494-26-000258
3,805 shares0Common StockSEC:0001437749-26-025791:0
1,565 shares0Common StockSEC:0001437749-26-025789:0
2,840 shares0Common StockSEC:0001437749-26-025790:0
174 shares@ US$59.000.0025% mcap2.5% of flowCommon StockSEC:0001437749-26-013872:0
24 shares@ US$59.000.0004% mcap0.3% of flowCommon StockSEC:0001437749-26-013872:1
3,276 shares@ US$59.000.048% mcap85.7% of flowCommon StockSEC:0000807249-26-000045:0
100 shares@ US$59.005.9% of flowCommon StockSEC:0001437749-26-013240:0
454 shares@ US$59.000.0066% mcap18.0% of flowCommon StockSEC:0001437749-26-013090:0
1,071 shares@ US$59.000.016% mcap42.5% of flowCommon StockSEC:0001437749-26-013090:1
720 shares0Common StockSEC:0001437749-26-012495:0
540 shares@ US$47.504.8% of flowCommon StockSEC:0001437749-26-011621:1
617 shares0Common StockSEC:0001437749-26-011624:0
2,059 shares0Common StockSEC:0001437749-26-011624:1
2,428 shares0Common StockSEC:0001437749-26-011622:0
5,646 shares0Common StockSEC:0001437749-26-011647:0
242 shares0Common StockSEC:0001437749-26-009409:0
242 shares0Common StockSEC:0001437749-26-009406:0
242 shares0Common StockSEC:0001437749-26-009405:0
242 shares0Common StockSEC:0001437749-26-009404:0
242 shares0Common StockSEC:0000807249-26-000031:0
242 shares0Common StockSEC:0001437749-26-009410:0
35 shares@ US$47.500.0004% mcap0.4% of flowCommon StockSEC:0001437749-26-000901:0
25 of 117 declarations
About M-tron Industries, Inc.
M-tron Industries, Inc. (ticker: MPTI) is a U.S.-listed industrial electronics company trading on NYSE American in the United States. Founded in 1965, the company has built a specialized franchise around highly engineered frequency and spectrum control products used to manage the frequency or timing of signals in electronic circuits. For investors, M-tron is not a broad-based electronics manufacturer; it is a niche supplier with technical depth, long product qualification cycles, and a business model tied to mission-critical end markets where reliability and precision matter. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1902314/000143774925009645/mpti20241231_10k.htm?utm_source=openai))
The company is headquartered in Orlando, Florida, United States. It also operates additional industrial sites, including a facility in Yankton, South Dakota, a manufacturing presence in Noida, India, and a sales office in Hong Kong. That footprint suggests a hybrid operating model: core engineering and production remain anchored in the U.S., while selected manufacturing and commercial support are distributed globally to serve customers across defense and aerospace supply chains. M-tron emphasizes end-to-end customer support across the product lifecycle, from design and prototyping to production, upgrades, and maintenance. ([ir.mtron.com](https://ir.mtron.com/news/news-details/2026/M-tron-Industries-Inc--Announces-Exercise-Results-of-Dividend-Warrants-Distributed-in-April-2025/default.aspx?utm_source=openai))
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M-tron’s main business lines are centered on highly reliable frequency-control and spectrum-control solutions for aerospace, defense, avionics, and space applications. Its product portfolio includes RF, microwave, and millimeter-wave filters; cavity, crystal, ceramic, lumped-element, and switched filters; high-performance oscillators such as OCXOs, PLL OCXOs, TCXOs, VCOs, and low-jitter or harsh-environment oscillators; as well as crystal resonators, integrated microwave assemblies, and solid-state power amplifier products. This is a specialized offering that supports demanding programs requiring tight specifications, durable performance, and engineering collaboration with customers. ([stockanalysis.com](https://stockanalysis.com/stocks/mpti/company/?utm_source=openai))
From a competitive standpoint, M-tron operates in a niche with meaningful barriers to entry. Its position is strengthened by technical expertise, application know-how, and the ability to qualify components for defense, radar, electronic warfare, avionics, and satellite platforms. The company’s recent disclosures show that this focus is translating into commercial momentum: management cited continued strong defense-program shipments, an uptick in avionics production, and a sharp increase in backlog, which reached $76.4 million at December 31, 2025. Those indicators are important for investors because they suggest visibility into future revenue and ongoing demand from strategic end markets. ([ir.mtron.com](https://ir.mtron.com/news/news-details/2026/M-tron-Industries-Inc--Reports-Fourth-Quarter-and-Full-Fiscal-Year-2025-Results/default.aspx?utm_source=openai))
Recent news has been especially constructive. In 2025 and early 2026, M-tron announced a $20 million production contract for a major U.S. defense program, a follow-on award of $4 million on that same program, and another significant production contract for a new multi-domain data link. In January 2026, the company also reported the successful exercise of dividend warrants distributed in April 2025, generating approximately $27.7 million of gross proceeds and issuing 582,233 shares. For investors tracking SEC Form 4 insider activity, these developments help frame MPTI as a small-cap U.S. industrial technology name with exposure to defense spending, disciplined engineering execution, and a recent record of growth in revenue, backlog, and contract wins. ([ir.mtron.com](https://ir.mtron.com/news/news-details/2025/M-tron-Industries-Inc--Awarded-20-Million-Production-Contract-for-a-Major-U-S-Defense-Program/default.aspx?utm_source=openai))
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