Mercury Systems CEO William L. Ballhaus Sells $4.8 Million in Shares
William L. Ballhaus, Chairman and CEO of Mercury Systems (MRCY), sold 48,812 shares worth approximately $4.8 million on August 19 and 20, 2026, according to an SEC Form 4 filing. The transaction was a non-discretionary sale-to-cover conducted automatically to satisfy tax obligations following the vesting of restricted stock awards. Following this sale, Ballhaus retains approximately 228,197 shares directly and holds another 8,469 indirectly through Milestone Road Holdings, LLC, and his 401(k) plan. The post-transaction value of his holdings is estimated at $22.3 million based on the closing price as of August 20, 2026. Mercury Systems operates in the aerospace and defense sector with a market capitalization of $5.7 billion and TTM revenue of $983.6 million. Despite reporting a net loss for the trailing twelve months ($29.7 million), its stock has appreciated by nearly 46% over one year, reflecting strong investor confidence in its long-term growth potential within defense modernization efforts.
Tickers: $MRCY
Topics: equity_vesting executive_sales SEC_form_4