Rocket Lab USA (RKLB) reported Thursday a Q1 loss of $0.12 per diluted share, wider than a loss of $0.09 a year earlier.
Analysts polled by FactSet expected a loss of $0.11.
Revenue for the quarter ended March 31 was $122.6 million, up from $92.8 million a year earlier.
Analysts surveyed by FactSet expected $121.4 million.
The company said it expects Q2 revenue of $130 million to $140 million. Analysts expected $136.8 million.
The shares were falling past 3% in after-hours activity.