Form 4: Dorman Products SVP Sells Shares Under 10b5-1 Plan

Dorman Products' SVP and CIO, Donna M. Long, sold 812 shares of common stock on January 2, 2026, through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Donna M. Long, SVP, CIO of Dorman Products, Inc. (DORM), sold a total of 812 shares of the company's common stock.
• The sales occurred on January 2, 2026.
• These transactions were executed under a Rule 10b5-1 trading arrangement established on August 20, 2025.
• The shares were sold in three separate transactions at weighted average prices of $122.69, $123.70, and $124.22.
• Following these transactions, Donna M. Long beneficially owns 17,855.8738 shares of Dorman Products common stock.

Sentiment

Score: 5

Explanation: The sale of shares by a senior executive, while reducing insider ownership, was conducted under a pre-arranged Rule 10b5-1 trading plan, which mitigates concerns about the timing of the sale being based on new, non-public information.

Positives

• Transactions were conducted under a Rule 10b5-1 trading arrangement, indicating pre-planned sales and not a reaction to new, non-public information.

Negatives

• A senior executive, Donna M. Long, reduced her direct beneficial ownership in the company by 812 shares.

Future Outlook

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Management Comments

• The filing of this Statement shall not be construed as an admission (a) that the person filing this Statement is, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any equity securities covered by this Statement, or (b) that this Statement is legally required to be filed by such person.

Industry Context

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Stakeholder Impact

• Shareholders: A slight reduction in insider ownership, but the 10b5-1 plan suggests it is not a signal of a lack of confidence in the company's future prospects.

Key Dates

Recommendation

The insider sale was conducted under a pre-arranged Rule 10b5-1 plan, which indicates the transaction was scheduled in advance and not a reaction to new material information. Therefore, this specific filing alone does not provide a strong signal to alter an existing investment thesis, warranting a 'hold' recommendation.

Keywords

Dorman Products, DORM, Insider Sale, Form 4, Donna M. Long, SVP CIO, 10b5-1 Plan, Equity Transaction