Delek US (DK) reported Tuesday that its Q4 adjusted net loss widened to $2.54 per diluted share, from a loss of $1.46 a year earlier.

Analysts polled by FactSet expected a loss of $2.82.

Net revenue for the quarter ended Dec. 31 was $2.37 billion, compared with $3.94 billion a year earlier.

Analysts surveyed by FactSet expected $2.56 billion.

Shares of Delek US were down 3.9% in recent premarket activity.