Rolling Optics Holding AB publ announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was SEK 10.228 million compared to SEK 7.671 million a year ago. Operating income was SEK 1.961 million compared to SEK 2.236 million a year ago. Net loss was SEK 595,000 compared to SEK 2.261 million a year ago.