Shares of CarParts.com declined 6.2% following the earnings release, signaling investor disappointment primarily driven by cautious outlook and ongoing deceleration in growth momentum despite profitability improvements.

• Reported first positive adjusted EBITDA since Q1 2024 at $585,000, a $7 million improvement year-over-year, reflecting increased operational efficiency and cost reductions.
• The company highlighted strategic progress in its A-Premium partnership, with annualized revenue near $45 million and a potential path to $50 million short-term.
• JC Whitney product launch is underway with 7,000 SKUs live on Amazon, scaling toward a broader 30,000 SKU catalog during 2026.
• Despite operational improvements, management emphasized the early stage of these initiatives, with continued significant execution required, particularly in last mile delivery scaling.
• Market reaction likely reflects investor concerns over the pace of growth, margin sustainability, and the impact of continuing investments on near-term outlook.