Ballhaus William L (CIK 1436044) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-21). Recent activity: Sell MRCY (26,802 shares), Sell MRCY (22,010 shares), Sell MRCY (3,536 shares), Sell MRCY (24,144 shares), Sell MRCY (70,287 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 26,802 | $2.7M |
| 2026-08-21 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 22,010 | $2.1M |
| 2026-08-19 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 3,536 | $388,786 |
| 2026-08-19 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 24,144 | $2.7M |
| 2026-08-18 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 70,287 | $0 |
| 2025-08-20 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 10,395 | $691,475 |
| 2025-08-20 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Sell | 13,050 | $841,203 |
| 2025-08-19 | MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO | Buy | 44,940 | $0 |
Source: SEC Form 4 filings · as of 2026-08-21