Builders FirstSource, Inc. is facing another year of declining earnings, reporting Q1 2026 earnings of $0.27 per share, missing estimates by $0.12, and a 10.1% drop in net sales to $3.3 billion. With gross profit margins also declining, the company has lowered its full-year net sales expectations to between $14.6 billion and $14.8 billion. In a bid to bolster shareholder confidence, Builders FirstSource has authorized a new $500 million share repurchase program, having already repurchased nearly 50% of its total shares at a cost of $8.3 billion.