MRCY ▲ +0.4% - Mercury Systems, Inc. $MRCY - Mercury Systems Announces Extension of Employment Contract with Chairman and CEO Bill Ballhaus and Reaffirms Prior Guidance Mercury Systems announced an extension of its employment contract with Chairman and CEO Bill Ballhaus and reaffirmed its prior financial guidance, driving a modest 0.4% gain in the stock. The contract extension and reiteration of outlook likely provided investors with continuity in leadership and confidence in the company's previously communicated performance targets. 16-SEP-2026 08:00 AM ET