InsidersTradesSigma
Compx International INC Stock: price and insider trades · United States · SEC (Form 4)
Track the Compx International INC stock price and the full management transaction log of the company, a listed equity based in United States. Shares are listed on US US, under the authority of SEC (Form 4). Operating in the Industry sector, Compx International INC has logged 58 reports. Market capitalisation: €298.7m. The latest transaction was reported on 21 May 2026 (Attribution). Among the most active insiders: Tidlund Mary A.. Every trade is accessible without an account.
58
Insider Decl.
0
Thresholds
€80,531
10 ops.
Buy Volume
€240,527
5 ops.
Sell Volume
42Σ signal
Informational score on this market. Our backtest validates the signal only on 8 EU venues; elsewhere (notably US markets) insider buys historically invert or do not hold. Not a recommendation.
Fundamental score
Ranked 6,816 of 25,956 companies
63.4
score / 100
Value62
Quality65
FCF yld5.9%
Earn yld6.1%
EV/EBITDA12.3x
ROE14%
Gross mgn30%
Net mgn12%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
AI-generated analysis. Opinion, not investment advice. Not backtested. Built from public filings and financials. No price target, no buy or sell recommendation.
Last declaration on 21 May 2026
Declarations58 total
1,700 shares@ US$23.440.012% mcap66.6% of flowClass A Common Stock $0.01 par value per shareSEC:0001188336-26-000002:0
1,700 shares@ US$23.440.012% mcap100.0% of flowClass A Common Stock $0.01 par value per shareSEC:0001188349-26-000002:0
1,700 shares@ US$23.440.012% mcap66.6% of flowClass A Common Stock $0.01 par value per shareSEC:0001418432-26-000002:0
1,700 shares@ US$23.440.012% mcap66.6% of flowClass A Common Stock $0.01 par value per shareSEC:0001602118-26-000006:0
1,700 shares@ US$23.440.012% mcap21.6% of flowClass A Common Stock $0.01 par value per shareSEC:0001606509-26-000002:0
1,700 shares@ US$23.440.012% mcap100.0% of flowClass A Common Stock $0.01 par value per shareSEC:0001771420-26-000004:0
1,700 shares@ US$23.440.012% mcap100.0% of flowClass A Common Stock $0.01 par value per shareSEC:0001811214-26-000002:0
750 shares@ US$25.9933.4% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-25-010054:0
750 shares@ US$25.9933.4% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-25-010052:0
750 shares@ US$25.9933.4% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-25-010056:0
750 shares@ US$25.9910.8% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-25-010043:0
50 shares@ US$21.503.6% of flowCommon Stock, par value $0.01SEC:0001062993-25-005222:0
Ideal exit: 6 Dec 2025 (T+270)
700 shares0Class A Common Stock $0.01 par value per shareSEC:0001062993-24-019392:0
1,000 shares@ US$29.021317.3% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-24-019071:0
2,000 shares@ US$28.5833.8% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-24-018976:0
800 sharesClass A Common Stock $0.01 par value per shareSEC:0001062993-24-011017:0
800 sharesClass A Common Stock $0.01 par value per shareSEC:0001062993-24-011021:0
800 sharesClass A Common Stock $0.01 par value per shareSEC:0001062993-24-011027:0
800 sharesClass A Common Stock $0.01 par value per shareSEC:0001062993-24-011019:0
800 sharesClass A Common Stock $0.01 par value per shareSEC:0001062993-24-011025:0
1,600 shares@ US$18.3099.9% of flowClass A Common Stock $0.01 par value per shareSEC:0001062993-23-012283:0
Ideal exit: 19 Feb 2024 (T+270)
25 of 58 declarations
About Compx International INC
CompX International Inc. (NYSE American: CIX) is a U.S.-based industrial components company focused on security products and specialty components for recreational transportation and related end markets. Incorporated in Delaware in 1993 and headquartered in Dallas, Texas, United States, CompX is best understood as a niche manufacturer rather than a broad-based industrial conglomerate. Its business model is built around engineered products sold to professional customers who value reliability, durability, specification compliance, and long product life cycles. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231x10k.htm?utm_source=openai)) CompX’s operations are organized around two main product areas: security products and recreational marine components. The security products line includes locks, locking mechanisms, and related hardware used in postal applications, office and institutional furniture, cabinetry, tool storage, healthcare applications, and other industrial uses. The company describes its offerings as being designed principally for medium- to high-end applications where design, quality, and durability matter. That positioning supports a differentiated niche strategy, but it also means CompX competes against lower-cost manufacturing sources and is exposed to shifts in customer mix, materials costs, and end-market demand. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231x10k.htm?utm_source=openai)) From a competitive standpoint, CompX holds a specialized role in a fragmented market. Its long operating history and focused product portfolio provide some defensibility through know-how, customer relationships, and manufacturing standards. The company is also notable for its ownership structure: as of year-end 2025, CompX was approximately 87% owned by NL Industries, itself part of the broader Valhi/Contran ownership chain. That concentrated control can offer strategic stability, but it also limits free float and can reduce the company’s profile among generalist investors. Importantly, CompX trades on NYSE American under the ticker CIX, not on the main NYSE or NASDAQ market. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231x10k.htm?utm_source=openai)) Geographically, the business remains primarily U.S.-centered, with Dallas serving as the corporate base and most investor-relevant disclosure coming through SEC filings. Recent developments in 2026 included the release of full-year results and a regular quarterly dividend declaration, which underscore a capital-allocation framework oriented toward consistency and shareholder returns rather than aggressive expansion. For French-speaking investors in France, Belgium, or Switzerland, CompX can be viewed as a small-cap industrial specialty name with a conservative operating profile, limited market liquidity, and a focus on mature, technically demanding end markets in the United States. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1049606/000104960626000003/cix-20260304x8k.htm?utm_source=openai))
