Gentex (GNTX) reported Q4 earnings Friday of $0.39 per diluted share, down from $0.50 a year earlier.

Analysts polled by FactSet expected $0.48.

Revenue for the quarter ended Dec. 31 was $541.6 million, down from $589.1 million a year earlier.

Analysts surveyed by FactSet expected $601 million.

For 2025, the provider of protective vehicle glass expects revenue of $2.40 billion to $2.45 billion. Analysts polled by FactSet expect $2.58 billion.

For 2026, the company expects revenue of $2.55 billion to $2.65 billion. Analysts polled by FactSet expect $2.76 billion.

Shares of the company were down by more than 15% in Friday's premarket activity.