Mercury Systems CEO William Ballhaus Forfeits 70,287 Shares

What Happened William L. Ballhaus, Chairman, President & CEO and a director of Mercury Systems (MRCY), had 70,287 shares disposed of to the issuer on 2026-08-14. The disposition is recorded at $0.00 per share (total value $0) and reflects forfeiture of performance stock awards rather than a market sale.

Key Details

• Transaction date and type: 2026-08-14 — Disposition to issuer (D); recorded price $0.00, total $0.
• Shares affected: 70,287 performance stock awards forfeited.
• Shares owned after transaction: Not disclosed in the filing.
• Footnote: F1 — these shares were forfeited due to below‑target performance.
• Filing date: Form 4 filed 2026-08-18 (four days after the transaction date), which may be outside the standard 2-business-day filing window for insider transactions.

Context This was a forfeiture of contingent performance awards (returned to the company because performance targets were not met), not an open‑market sale or purchase. Forfeitures do not generate cash proceeds and are not a direct buy/sell signal; they simply reflect that performance conditions were not satisfied.