BellRing Brands, Inc. (BRBR) experienced a significant pre-market plummet of 5.90% on Tuesday, as investors reacted to a combination of disappointing first-quarter financial results and a major leadership transition announcement.

The company reported a 43% year-over-year decline in net earnings to $43.7 million for the first quarter of fiscal year 2026, despite a modest 1% increase in net sales to $537.3 million. Gross profit margin contracted sharply to 29.9% from 37.5% in the prior year period, impacted by significant input cost inflation, including higher whey protein costs, and unfavorable product mix.

Concurrently, BellRing announced that President and CEO Darcy Davenport will retire by September 30, 2026, or upon the appointment of a successor. The company also narrowed its fiscal 2026 net sales outlook to $2.41-$2.46 billion and adjusted EBITDA guidance to $425-$440 million, citing increased promotional activity and ongoing cost pressures.