William L. Ballhaus
President & CEO at Mercury Systems Inc
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Mercury Systems Inc, 3 years.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 26, 2026 | Mercury Systems Inc | Option exercise | +68,476 | $43.00 | $2,944,468 |
| Aug 26, 2026 | Mercury Systems Inc | Open-market sale | −38,276 | $88.91 | $3,403,119 |
| Aug 26, 2026 | Mercury Systems Inc | Open-market sale | −10,814 | $89.74 | $970,448 |
| Aug 25, 2026 | Mercury Systems Inc | Option exercise | +153,676 | $43.00 | $6,608,068 |
| Aug 25, 2026 | Mercury Systems Inc | Open-market sale | −107,628 | $87.09 | $9,373,323 |
| Aug 25, 2026 | Mercury Systems Inc | Open-market sale | −3,448 | $87.99 | $303,390 |
| Aug 24, 2026 | Mercury Systems Inc | Option exercise | +140,650 | $42.00 | $5,907,300 |
| Aug 24, 2026 | Mercury Systems Inc | Option exercise | +11,348 | $43.00 | $487,964 |
| Aug 24, 2026 | Mercury Systems Inc | Open-market sale | −105,471 | $89.47 | $9,436,490 |
| Aug 24, 2026 | Mercury Systems Inc | Open-market sale | −2,738 | $90.60 | $248,063 |
| Aug 21, 2026 | Mercury Systems Inc | Option exercise | +92,850 | $42.00 | $3,899,700 |
| Aug 21, 2026 | Mercury Systems Inc | Open-market sale | −64,796 | $92.40 | $5,987,150 |
| Aug 21, 2026 | Mercury Systems Inc | Open-market sale | −204 | $93.51 | $19,076 |
| Aug 20, 2026 | Mercury Systems Inc | Open-market sale | −22,010 | $97.67 | $2,149,717 |
| Aug 19, 2026 | Mercury Systems Inc | Open-market sale | −26,802 | $100.31 | $2,688,509 |
Questions about William L. Ballhaus
What boards is William L. Ballhaus on?
William L. Ballhaus sits on the board of Mercury Systems Inc.
What company is William L. Ballhaus the CEO of?
William L. Ballhaus is President & CEO of Mercury Systems Inc.
How long has William L. Ballhaus served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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