Flywire (FLYW) reported a Q4 net loss late Tuesday of $0.12 per diluted share, swinging from earnings of $0.01 a year earlier.
Analysts polled by FactSet expected a loss of $0.01.
Revenue for the quarter ended Dec. 31 was $117.6 million, up from $100.5 million a year earlier.
Shares of the company were down more than 27% in premarket activity Wednesday.