DORM Stock: Insider Activity, Filings & Research

Dorman Products, Inc. (DORM) — Drillr’s hub for DORM insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, DORM insiders filed 0 open-market buys and 3 sales (SEC Form 4).

Sentiment

0/100

Buys (3m)

Sells (3m)

Net (3m)

-$97.6K

Insider trades by month Buys Sells

Aug

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Context3-month price +7.4%Institutions mixed (13F)

Date	Insider	Type	Shares	Price
May 19, 2026	Bachmann Lisa Mdirector	Tax	33	$116.16
May 19, 2026	RILEY RICHARD Tdirector	Tax	33	$116.16
May 19, 2026	Romano Kelly Adirector	Tax	33	$116.16
May 19, 2026	Thomas James Darrelldirector	Tax	33	$116.16
Mar 16, 2026	Long Donna M.officer: SVP, CIO	Sell	318	$102.19
Mar 16, 2026	Long Donna M.officer: SVP, CIO	Sell	235	$104.03
Mar 16, 2026	Long Donna M.officer: SVP, CIO	Sell	394	$103.21
Mar 5, 2026	Braun Joseph P.officer: SVP and General Counsel	Tax	304	$116.22
Mar 5, 2026	Long Donna M.officer: SVP, CIO	Tax	221	$116.22
Mar 5, 2026	Leff Scottofficer: SVP, CHRO	Tax	539	$116.16
Mar 5, 2026	Bowen Gregory C.officer: VP, Chief Accounting Officer	Tax	76	$116.22
Mar 5, 2026	Luftig Ericofficer: President, Light Duty	Tax	306	$116.16
Mar 5, 2026	Olsen Kevin M.director, officer: President and CEO	Tax	2,072	$116.22
Mar 5, 2026	Pacheco Kathleenofficer: President, Specialty Vehicle	Tax	142	$116.22
Mar 5, 2026	Olsen Kevin M.director, officer: President and CEO	Tax	2,724	$116.16

Source: DORM SEC Form 4 filings, latest May 19, 2026. For informational purposes only — not investment advice.

Overview

Dorman Products, Inc. (NASDAQ:DORM) is a leading supplier of automotive aftermarket replacement parts founded in 1918 and headquartered in Colmar, Pennsylvania. The company has grown from its origins as a small hardware business into a major player in the automotive aftermarket industry, going public in 1991. Today, Dorman operates as a comprehensive solutions provider for automotive repair and maintenance, serving customers across North America and internationally through an asset-light business model focused on innovation and operational excellence.

Business

Dorman Products operates in the automotive aftermarket industry, which encompasses all parts, accessories, and services sold after the original sale of a vehicle. The automotive aftermarket exists because vehicles require ongoing maintenance, repair, and replacement of worn or damaged components throughout their operational life. This market is essential as it keeps the existing vehicle fleet operational and roadworthy. The company operates through three primary business segments: **Light Duty Segment** (approximately 78% of revenue): This division focuses on passenger cars and light trucks, offering original equipment dealer products such as intake and exhaust manifolds, window regulators, radiator fan assemblies, tire pressure monitor sensors, and complex electronics modules. The segment also provides automotive replacement parts including door handles, keyless remotes, and door hinge repairs. This segment has shown consistent growth and maintains the highest operating margins. **Heavy Duty Segment** (approximately 12% of revenue): This division serves Class 4-8 commercial vehicles with aftermarket parts including lighting systems, cooling components, engine management parts, wheel hardware, air tanks, and cab products. The heavy-duty market has faced cyclical challenges in recent years due to economic conditions affecting commercial vehicle operators. **Specialty Vehicle Segment** (approximately 10% of revenue): This segment focuses on specialized vehicles and niche applications, emphasizing non-discretionary repair parts that are essential for vehicle operation. The company has been working to expand this segment's market presence and dealer channel penetration. Dorman's product portfolio spans multiple categories including powertrain products (cooling systems, harmonic balancers, fluid components), chassis products (control arms, ball joints, brake components), automotive body products (window motors, switches, wiper components), and hardware products (bolts, electrical components, and various fasteners). The company markets its products under several brands including OE Solutions, HELP!, OE FIX, Conduct-Tite, and HD Solutions.

Revenue model

Dorman generates revenue primarily through product sales to automotive aftermarket retailers, distributors, and specialty markets. The company operates an asset-light business model, meaning it focuses on product design, sourcing, and distribution rather than manufacturing. This approach allows Dorman to maintain flexibility while leveraging supplier relationships for production. The company's revenue streams include sales through multiple channels: national and regional warehouse distributors, automotive aftermarket retailers (including online platforms), specialty markets, salvage yards, local independent parts wholesalers, and mass merchants. Customers include both professional repair shops (Do-It-For-Me or DIFM market) and individual consumers (Do-It-Yourself or DIY market), though the company is more heavily indexed toward the commercial/professional segment. **Margin Enhancement Factors**: Several factors can positively impact Dorman's margins. Innovation and new product development, particularly in complex electronics and "new-to-aftermarket" categories, typically command higher margins due to limited competition and technical barriers to entry. The company's focus on non-discretionary repair parts provides pricing power since these components are essential for vehicle operation. Operational efficiency improvements, such as the recent $14 million investment in warehouse automation expected to generate $8 million in annual savings, directly enhance profitability. Supply chain diversification and optimization can reduce costs while improving reliability. **Margin Pressure Factors**: Several external and internal factors can pressure margins. Commodity price inflation affects input costs, while tariffs and trade tensions, particularly with China (which represents 30-40% of sourcing), can increase procurement expenses. Economic downturns impact the heavy-duty commercial vehicle market significantly, as fleet operators defer maintenance and replacement cycles. Competitive pressure in mature product categories can lead to price compression. Currency fluctuations affect international sourcing costs, and regulatory changes in trade policies can disrupt established supply chains and pricing structures.

Competitive moat

Dorman's competitive moat is moderately strong but not insurmountable, built primarily on several key advantages. The company's **innovation capabilities** represent its strongest moat element, with approximately 30% of new SKUs being "new-to-aftermarket" products that face limited initial competition. This innovation focus, supported by their Electronics Center of Excellence, creates temporary monopolistic positions in niche categories and allows for premium pricing until competitors develop alternatives. The company's **extensive product catalog** of over 120,000 SKUs creates significant barriers for new entrants, as replicating this breadth would require substantial investment and time. This catalog depth, combined with strong relationships across multiple distribution channels, provides defensive positioning against smaller competitors. Dorman's **asset-light business model** offers operational flexibility and capital efficiency advantages over more capital-intensive competitors. However, the moat faces several vulnerabilities. The automotive aftermarket is highly fragmented with numerous competitors, and many of Dorman's products eventually face commoditization as patents expire and competitors reverse-engineer solutions. **Large automotive suppliers** with greater resources could potentially enter Dorman's markets, while **consolidation among customers** (retailers and distributors) could reduce Dorman's negotiating power. The company's reliance on external manufacturing creates potential supply chain vulnerabilities that more vertically integrated competitors might exploit. The **threat of disruption** comes primarily from changing automotive technology, particularly the transition to electric vehicles, which could obsolete portions of Dorman's traditional internal combustion engine-focused product line. Additionally, original equipment manufacturers increasingly offering direct-to-consumer parts sales could bypass the traditional aftermarket distribution model that Dorman depends upon.

Risks & safety

Dorman demonstrates a solid financial position with moderate margin of safety, though some metrics warrant attention. **Liquidity and Solvency**: The company maintains adequate liquidity with a current ratio of 2.61 and quick ratio of 1.22, indicating sufficient short-term financial flexibility. Cash and short-term investments of $61 million provide operational cushioning, while free cash flow generation of $40 million in Q1 2025 demonstrates ongoing cash generation capability. **Debt Management**: Total debt-to-equity ratio of 0.42 represents manageable leverage levels. The company has been actively paying down debt, reducing obligations by $159 million in 2023 and continuing debt reduction in recent quarters. **Valuation Metrics**: Current P/E ratio of 16.0 appears reasonable for a growing industrial company, while EV/EBITDA of 11.0 suggests moderate valuation levels. Price-to-book ratio of 2.76 reflects some premium but not excessive given the company's market position and growth prospects. **Other Considerations**: Strong return on equity of 4.3% (quarterly) and consistent profitability provide fundamental support. The company's guidance reaffirmation and margin expansion trends suggest operational momentum, though exposure to cyclical heavy-duty markets and trade policy uncertainties create some downside risks.

Recent development

Over the past few years, Dorman has executed several strategic initiatives to strengthen its market position and drive growth. The company has significantly expanded its innovation capabilities, launching over 19,000 new SKUs across three segments in the last three years, with approximately 30% being "new-to-aftermarket" products that command higher margins and face limited initial competition. A major strategic pivot has been the establishment of an **Electronics Center of Excellence** in 2023, positioning the company to capitalize on the increasing electronic complexity of modern vehicles. This initiative spans internal combustion engine, hybrid, and electric vehicle platforms, with thousands of SKUs supporting electronic systems across various vehicle types. Management expects complex electronics to outpace traditional hard parts growth, representing a significant opportunity for margin expansion. **Operational excellence initiatives** have been a key focus, with the company investing $14 million in warehouse automation including autonomous mobile robots, vertical lift modules, and new warehouse execution system software. These investments are expected to generate $8 million in annual net savings while improving operational efficiency and customer service capabilities. **Supply chain diversification** has become increasingly important, with Dorman actively working to reduce its exposure to China and Taiwan while exploring alternatives in the Pacific Rim, Eastern Europe, Mexico, and India. This strategic shift aims to mitigate geopolitical risks and tariff exposure while maintaining cost competitiveness. The company has also implemented targeted **cost management programs**, including workforce reduction initiatives that generated $10 million in annualized savings, while simultaneously investing in digital infrastructure and omni-channel selling capabilities to better serve evolving customer needs across professional and consumer markets.

DORM company profile · for informational purposes only — not investment advice.

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