Kiniksa Pharmaceuticals International (KNSA) reported a Q4 loss Tuesday of $0.12 per diluted share, swinging from earnings of $0.35 per share a year earlier.
Analysts polled by FactSet expected earnings of $0.02.
Revenue for the quarter ended Dec. 31 was $122.5 million, up from $83.4 million a year earlier.
Analysts surveyed by FactSet expected $123.4 million.
Shares of the biotech firm were down more than 6% in recent premarket activity.
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