(Updates with stock price movement in the headline and the first paragraph.)
Mercury Systems (MRCY) shares fell 11% during after-hours trading on Tuesday after the company posted lower-than-expected fiscal Q4 adjusted earnings.
The company reported fiscal Q4 adjusted earnings late Tuesday of $0.37 per diluted share, down from $0.47 a year earlier.
Analysts polled by FactSet expected $0.38.
Revenue for the quarter ended July 3 rose to $289.8 million from $273.1 million a year earlier.
Analysts expected $266.1 million.