Dorman Products

DORM on Nasdaq. Dorm sells replacement and upgrade parts to vehicle owners and repair shops. Market value $3.7bn.

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Price checks use the past 12 months to June 2026. Quality checks use five annual reports, the latest for the year to December 2025.

Should I look at this?

Worth a closer look

Read what could go wrong

This is not advice. Check the numbers below.

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Cash yield
past 12 months to June 2026
5.8%fair

For every $100 of what the whole company costs, it produced $5.85 of spare cash in the past 12 months. A savings account pays about $4.

Price to profit
past 12 months to June 2026
12.7×fair

You pay 12.7 years of operating profit for the business. The average large US company costs around 18.

Return on capital
five annual reports to December 2025
12.7%five-year median

Each dollar kept in the business earns 13 cents a year. Above 10 is good.

Quality score: 93 of 100. Price score: 97 of 100. Our list needs 70 on quality and 60 on price.

$123.44 a share, 25% above its 1-year low

Over the past year the price has ranged from $98.45 to $164.00.

Pays no dividend

Prices from Monday’s close (5 October).

Five years of cash, in billions

0.1
0.0
0.2
0.2
0.1
0.2
2021202220232024202512 monthsto Jun '26

Spare cash swings from quarter to quarter here: $214 million in the past 12 months, $76 million in the year to December 2025.

Revenue
$1.3bn$1.7bn$1.9bn$2.0bn$2.1bn
Operating margin
12.8%9.9%11.1%14.6%14.1%
Debt to equity
0.000.470.410.360.30
Shares outstanding
0.03bn0.03bn0.03bn0.03bn0.03bn

Health checks

  • Free cash flow positive5 of 5 years
  • Accounting looks honest (Beneish)Nothing unusual
  • Financial strength (Piotroski)8 of 9
  • Profit backed by cash (accruals)Yes
  • Debt0.30× equity
  • Revenue growth, five yearsStrong, 14.2% a year
  • Buying back its own sharesYes, 6% fewer since 2021

The quarter to June 2026

How the business did, compared with the same quarter a year earlier.

  • Sales: $545 million last quarter, up 1% on a year ago.
  • Profit: $88 million, up 50% on a year ago.
  • It keeps 14 cents of each $1 of sales as operating profit, down from 16 cents a year earlier.
  • Spare cash over the past 12 months: $214 million, up from $139 million.
  • 2% fewer shares than a year ago. Each share owns a bit more of the company.
  • Debt is $308 million more than cash, down from $405 million a year ago.
  • Sales grew on a year ago in each of the last 4 quarters.
Sales by quarter
Sales by quarter
Quarter toAmount
September 2024$504m
December 2024$534m
March 2025$508m
June 2025$541m
September 2025$544m
December 2025$538m
March 2026$529m
June 2026$545m
Profit by quarter
Profit by quarter
Quarter toAmount
September 2024$55m
December 2024$55m
March 2025$58m
June 2025$59m
September 2025$76m
December 2025$12m
March 2026$44m
June 2026$88m

From the company's quarterly reports to the SEC.

Dates

Next results (estimated)
n/a
Last annual report (10-K)
27 February 2026
Next quarterly (estimated, 10-Q)
3 November 2026

Who owns it

5 long-term investors we follow own it, up from 4 last quarter. 327 funds in all.

Jun '25
Dec '25
Jun '26
Largest holders overall

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

3 investors own more than 5%.

  • Steven L. Berman
    Insider or founder
    6.9%−1.5 pts
    Since 24 October 2025
    What they said

    Item 4 is hereby amended and supplemented by adding the following: The shares of Common Stock reported herein as beneficially owned by the Reporting Person were acquired by the Reporting Person for investment purposes. As Non-Executive Chairman and a member of the board of…

    Read the filing
  • Marc H. Berman
    Passive investor
    5.1%−0.6 pts
    Since 31 December 2025
  • 5.1%
    Since 31 March 2026
  • Morgan Stanley
    Passive investor
    Sold down below 5%
    Since 31 March 2025
  • The Vanguard Group
    Passive investor
    Sold down below 5%
    Since 13 March 2026

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

No insider bought shares on the open market in the last 12 months. 4 sold $3m, $297,340 of it under preset trading plans.

  • Long Donna M.
    SVP, CIO
    Sold
    under a preset trading plan
    Date
    17 August 2026
    Shares
    734
    Price
    $135.21
    Value
    $99,244
  • Bowen Gregory C.
    VP, Chief Accounting Officer
    Sold
    Date
    5 August 2026
    Shares
    3,531
    Price
    $145.01
    Value
    $512,013
  • Long Donna M.
    SVP, CIO
    Sold
    under a preset trading plan
    Date
    12 March 2026
    Shares
    947
    Price
    $103.07
    Value
    $97,608
  • Long Donna M.
    SVP, CIO
    Sold
    under a preset trading plan
    Date
    2 January 2026
    Shares
    812
    Price
    $123.75
    Value
    $100,488
  • McKnight John
    President, Heavy Duty
    Sold
    Date
    12 December 2025
    Shares
    2,000
    Price
    $128.80
    Value
    $257,600
  • McKnight John
    President, Heavy Duty
    Sold
    Date
    1 December 2025
    Shares
    4,898
    Price
    $130.71
    Value
    $640,216
  • Hession David
    SVP and CFO
    Sold
    Date
    31 October 2025
    Shares
    12,493
    Price
    $135.31
    Value
    $2m

From Form 4 filings: insiders must report trades in their own company's shares within two days.

Warning signs in its filings

Problems the company itself reported to the SEC, in its own words.

None of the warning signs we check for were found.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 27 Feb 2026, plus the 10-Q filed 4 Aug 2026 and 5 later 8-Ks.

A 10-K is the yearly report every US company files with the SEC. An 8-K is a short notice of a big event.

What could go wrong

Cheap for a reason is the question the numbers cannot answer.

Whether the price already reflects the risks is what the deep dive is for.

What changed in the risks this year

Companies must list what could hurt them each year. These are the parts that changed since last year’s report.

  • Global climate change and related regulations could negatively affect our business.

    Could happen
    Climate change poses financial and operational risks to our business. Extreme weather events and other potential impacts of climate change, including, but not limited to hail, floods, rising sea levels, droughts, wild fires, tornadoes, and tropical cyclones, can reduce product demand, disrupt product availability or distribution center operations, raise insurance and operating costs, disrupt ports and logistics networks, and increase supply chain expenses. Reduced product availability and demand can lead to reduced revenue, and increased costs can adversely affect our profitability. In addition, growing global focus on greenhouse gas emissions may lead to new laws and regulations that require significant compliance efforts and capital expenditures. For example, restrictions or standards adopted regarding emissions of carbon dioxide by motor vehicles or fuels could adversely affect demand for motor vehicles, annual miles driven, or the products we sell. Moreover, such restrictions and standards could lead to or require changes in motor vehicle technology and increased product development costs. While we strive to meet evolving standards, we cannot guarantee success, market acceptance of our products, or favorable returns on related investments.
    Read more
  • We use AI technologies in our business, and that use exposes us to risk.

    Could happen
    We continually update and expand our information technology systems to enable us to run our business more efficiently, including through the incorporation of AI solutions into our information systems, operations and processes. The increasing use and evolution of AI solutions creates potential risks for loss or misuse of Company data that forms part of any data set that was collected, used, stored, or transferred to run our business. Any unintentional dissemination or intentional destruction of confidential information stored in our or our third-party providers' systems, portable media or storage devices may result in significantly increased business and security recovery costs, damages to our reputation, or costs related to defending legal claims. In addition, if the content, analyses, or recommendations that AI programs assist in producing are or are alleged to be deficient, inaccurate, or biased, then our business, financial condition, and results of operations may be adversely affected.
    Read more
  • Cyber-attacks or other information technology security breaches could adversely impact our business and operations.

    Could happen
    Attacks—such as malware, ransomware, and unauthorized access—are increasing in frequency and severity, and the rapid adoption of AI may heighten these risks, including through the use of deepfakes. Despite preventive measures, evolving attack techniques may outpace our defenses. Furthermore, because the techniques used to carry out cyber-attacks change frequently and in many instances are not recognized until after they are used against a target, we may be unable to anticipate these changes or implement adequate preventative measures. Responding to such incidents also could require significant costs.
    Read more

Read it in the annual report

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

  • What the business is worth, as a range, and the margin of safety at today’s price
  • Prices to start buying, buy, and buy hard
  • The three things that would make this a mistake
  • Every number footnoted to the filing it came from

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What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.