Castlight Health, Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was USD 35.059 million compared to USD 39.045 million a year ago. Operating loss was USD 3.089 million compared to USD 56.598 million a year ago. Net loss was USD 2.996 million compared to USD 56.335 million a year ago.