William L. Ballhaus
CIK: 0001436044
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MERCURY SYSTEMS INC
Discretionary Trading P&L
Holdings
Transaction History (23 total)
- Aug 26, 2026MRCY
MERCURY SYSTEMS INC
Exercise(M)Direct68.5K shares at avg. $43.00$2.9M - Aug 26, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct10.8K shares at avg. $89.74$970K - Aug 26, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct38.3K shares at avg. $88.91$3.4M - Aug 25, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct3.4K shares at avg. $87.99$303K - Aug 25, 2026MRCY
MERCURY SYSTEMS INC
Exercise(M)Direct153.7K shares at avg. $43.00$6.6M - Aug 25, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct107.6K shares at avg. $87.09$9.4M - Aug 24, 2026MRCY
MERCURY SYSTEMS INC
Exercise(M)Direct140.7K shares at avg. $42.00$5.9M - Aug 24, 2026MRCY
MERCURY SYSTEMS INC
Exercise(M)Direct11.3K shares at avg. $43.00$488K - Aug 24, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct105.5K shares at avg. $89.47$9.4M - Aug 24, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct2.7K shares at avg. $90.60$248K - Aug 21, 2026MRCY
MERCURY SYSTEMS INC
Exercise(M)Direct92.9K shares at avg. $42.00$3.9M - Aug 21, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct64.8K shares at avg. $92.40$6.0M - Aug 21, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct204 shares at avg. $93.51$19K - Aug 20, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct22K shares at avg. $97.67$2.1M - Aug 19, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct26.8K shares at avg. $100.31$2.7M - Aug 18, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct24.1K shares at avg. $111.36$2.7M - Aug 17, 2026MRCY
MERCURY SYSTEMS INC
Award(A)Direct23.6K shares- - Aug 17, 2026MRCY
MERCURY SYSTEMS INC
Sale(S)Direct3.5K shares at avg. $109.95$389K - Aug 14, 2026MRCY
MERCURY SYSTEMS INC
Disposition(D)Direct70.3K shares- - Aug 19, 2025MRCY
MERCURY SYSTEMS INC
Sale(S)Direct13.1K shares at avg. $64.46$841K - Aug 18, 2025MRCY
MERCURY SYSTEMS INC
Sale(S)Direct10.4K shares at avg. $66.52$691K - Aug 15, 2025MRCY
MERCURY SYSTEMS INC
Award(A)Direct44.9K shares- - Aug 15, 2024MRCY
MERCURY SYSTEMS INC
Award(A)Direct69K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 26, 2026 | MRCY MERCURY SYSTEMS INC | Exercise(M) | 68,476 | $43.00 | $2,944,468 | Direct |
| Aug 26, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 10,814 | $89.74 | $970,492 | Direct |
| Aug 26, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 38,276 | $88.91 | $3,403,234 | Direct |
| Aug 25, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 3,448 | $87.99 | $303,400 | Direct |
| Aug 25, 2026 | MRCY MERCURY SYSTEMS INC | Exercise(M) | 153,676 | $43.00 | $6,608,068 | Direct |
| Aug 25, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 107,628 | $87.09 | $9,373,215 | Direct |
| Aug 24, 2026 | MRCY MERCURY SYSTEMS INC | Exercise(M) | 140,650 | $42.00 | $5,907,300 | Direct |
| Aug 24, 2026 | MRCY MERCURY SYSTEMS INC | Exercise(M) | 11,348 | $43.00 | $487,964 | Direct |
| Aug 24, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 105,471 | $89.47 | $9,436,807 | Direct |
| Aug 24, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 2,738 | $90.60 | $248,063 | Direct |
| Aug 21, 2026 | MRCY MERCURY SYSTEMS INC | Exercise(M) | 92,850 | $42.00 | $3,899,700 | Direct |
| Aug 21, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 64,796 | $92.40 | $5,987,410 | Direct |
| Aug 21, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 204 | $93.51 | $19,076 | Direct |
| Aug 20, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 22,010 | $97.67 | $2,149,792 | Direct |
| Aug 19, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 26,802 | $100.31 | $2,688,401 | Direct |
| Aug 18, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 24,144 | $111.36 | $2,688,620 | Direct |
| Aug 17, 2026 | MRCY MERCURY SYSTEMS INC | Award(A) | 23,629 | - | $0 | Direct |
| Aug 17, 2026 | MRCY MERCURY SYSTEMS INC | Sale(S) | 3,536 | $109.95 | $388,786 | Direct |
| Aug 14, 2026 | MRCY MERCURY SYSTEMS INC | Disposition(D) | 70,287 | - | $0 | Direct |
| Aug 19, 2025 | MRCY MERCURY SYSTEMS INC | Sale(S) | 13,050 | $64.46 | $841,255 | Direct |
| Aug 18, 2025 | MRCY MERCURY SYSTEMS INC | Sale(S) | 10,395 | $66.52 | $691,437 | Direct |
| Aug 15, 2025 | MRCY MERCURY SYSTEMS INC | Award(A) | 44,940 | - | - | Direct |
| Aug 15, 2024 | MRCY MERCURY SYSTEMS INC | Award(A) | 69,006 | - | $0 | Direct |
1-23 of 23 transactions
About Ballhaus William L
Ballhaus William L (SEC CIK 0001436044) files insider reports with the SEC as Chairman, President & CEO of MERCURY SYSTEMS INC (MRCY).
Signal8 holds 9 ownership filings by Ballhaus William L, all Form 4s, filed between Sep 18, 2024 and Sep 15, 2026. Those filings report 23 transactions, from Aug 15, 2024 to Aug 26, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Ballhaus William L's filings is in ANDOVER, MA.
Recent filings by Ballhaus William L
- Aug 26, 2026: Option exercise of MRCY shares (Form 4, code M).
- Aug 26, 2026: Open-market sales of MRCY shares (2 lines, Form 4, code S).
- Aug 25, 2026: Open-market sale of MRCY shares (Form 4, code S).
- Aug 25, 2026: Option exercise of MRCY shares (Form 4, code M).
- Aug 25, 2026: Open-market sale of MRCY shares (Form 4, code S).
Other insiders filing for MERCURY SYSTEMS INC (MRCY)
- Ostfeld Scott, Director
- DEMURO GERARD J, Director
- Plunkett Debora A, Director
- Nearhos Barry R, Director
- BUA JEAN A, Director
- LANCE HOWARD L, Director