Rush Enterprises

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 25 Feb 2026, plus the 10-Q filed 7 Aug 2026 and 11 later 8-Ks.

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.

• We use AI in our business and challenges with properly incorporating AI into our business and managing its use could result in reputational harm, competitive harm and legal liability.

  Could happen

  We incorporate AI into various aspects of our business and certain of the products and services that we offer, and we intend to continue expanding our use of AI in our business operations. If we are unable to effectively integrate AI into our business processes or keep pace with rapidly evolving AI technological developments, we may face a competitive disadvantage. At the same time, the use or offering of AI technologies may result in new or expanded risks and liabilities, including enhanced government or regulatory scrutiny, litigation, privacy and compliance issues, ethical concerns, confidentiality, reputational harm, and security risks. It is difficult to predict all the risks related to the use of AI. Changes in laws, rules, directives, and regulations governing the use of AI may adversely affect our ability to develop and use AI or subject us to legal liability. The cost of complying with laws and regulations governing AI could be significant and would increase our operating expenses, which could adversely affect our business, financial condition, results of operations and cash flows. Further, market demand and acceptance of AI technologies are uncertain, and our efforts to further incorporate AI into our business processes may not succeed.

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• The commercial vehicles that we sell are subject to federal and state regulations focused on reducing engine emissions, and we are dependent on the manufacturers that we represent to produce or supply engines that comply with such regulations.

  Could happen

  Laws and regulations intended to achieve the goal of significantly reducing engine emissions associated with the operation of commercial vehicles are complex and subject to change. Currently, the commercial vehicle industry is subject to the EPA 2027 Low NOx rule, which is scheduled to become effective starting in model year 2027. While the EPA 2027 Low NOx rule is expected to maintain the current emission limits, it is expected to be modified with respect to certain other provisions, such as reducing the required duration of manufacturers’ engine warranties. In addition, owners and commercial fleets that register or operate commercial vehicles in the State of California were subject to certain of CARB’s engine emissions rules that became effective in January 2024. However, Congress recently rescinded the federal preemption waivers that the EPA previously granted to CARB. These waivers were the basis of CARB’s ability to enact its own engine emissions rules, and a federal judge has temporarily enjoined CARB from enforcing such rules. Congress’ rescission of CARB’s federal preemption waivers is subject to multiple legal challenges, and it is unclear when such challenges will be resolved.

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