---
schema_version: "secwatch.filing_event.v1"
accession: "0000868780-26-000022"
form_type: "8-K"
ticker: "DORM"
cik: "0000868780"
company_name: "Dorman Products, Inc."
filed_at: "2026-05-04T23:59:59+00:00"
generated_at: "2026-05-15T00:10:21.207676+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Dorman Q1 net sales up 4.2% to $528.8M; EPS down 24% on tariff headwinds; reaffirms 2026 guide

## Summary
- Net sales $528.8M (+4.2% YoY); diluted EPS $1.43 (-24%), adjusted EPS $1.57 (-22%).
- Gross margin 36.0% vs 40.9% prior year, driven by tariff-related cost increases.
- Light Duty segment profit margin fell 580 bps to 14.1%; Heavy Duty improved to 0.8%.
- Generated $43.8M operating cash; repurchased $51M shares at avg $118/sh.
- Reaffirmed FY2026 guidance: net sales growth 7-9%, adj. diluted EPS $8.10-$8.50.

## SEC filing metadata
- accession: 0000868780-26-000022
- form_type: 8-K
- ticker: DORM
- cik: 0000868780
- company_name: Dorman Products, Inc.
- filed_at: 2026-05-04T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/868780/000086878026000022/0000868780-26-000022-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/868780/000086878026000022/dorm-20260504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000868780-26-000022
- JSON: https://secwatch.observer/filing/0000868780-26-000022.json
- Plain text: https://secwatch.observer/filing/0000868780-26-000022.txt

## Key facts
- Earnings Releases
  Dorman Products, Inc. reported first quarter ended March 28, 2026 results: revenue $528.8 million, EPS $1.43. Guidance reaffirmed.
  - Period: first quarter ended March 28, 2026
  - Revenue: $528.8 million
  - EPS: $1.43
  - Guidance: reaffirmed
  - Result: reported results
  source text: Products, Inc. Reports First Quarter 2026 Results and Reaffirms 2026 Guidance Highlights (All comparisons are to the prior year period unless otherwise noted) : • Net sales of $528.8 million for the quarter, up 4.2% • Diluted earnings per share (“EPS”) of $1.43, down 24% • Adjusted diluted EPS* of $1.57, down 22% • Generated $43.8 million of cash from operating
  evidence_url: https://www.sec.gov/Archives/edgar/data/868780/000086878026000022/0000868780-26-000022-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.