Ballhaus William L — SEC Form 4 filings
SEC reporting owner CIK 1436044. 13 Form 4 filings on record with FilingPulse; latest filed 2026-09-15.
Transaction summary — filings shown
Covers all 13 filings on record, filed 2024-02-13 to 2026-09-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 1 filing — 7,066 shares, $203,099 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 15 legs across 6 filings — 439,861 shares, $39,448,575 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 16.
- Largest priced transaction: sale of 105,471 shares @ $89.47 ($9,436,807) in MERCURY SYSTEMS INC, filed 2026-08-25.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MERCURY SYSTEMS INC (MRCY) | Chairman, President & CEO, Director | 13 | 2 legs · 7,066 sh · $203,099 | 15 legs · 439,861 sh · $39,448,575 | 16 |
Form 4 filings — Ballhaus William L
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4/A | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 23,629 @ $0 | EDGAR |
| 2026-08-27 | 4 | MERCURY SYSTEMS INC (MRCY) | Option exercise (M): 153,676 @ $43 · Sale (S): 107,628 @ $87.09 · Sale (S): 3,448 @ $87.99 · Option exercise (M): 68,476 @ $43 · Sale (S): 38,276 @ $88.91 · Sale (S): 10,814 @ $89.74 · +2 more | EDGAR |
| 2026-08-25 | 4 | MERCURY SYSTEMS INC (MRCY) | Option exercise (M): 92,850 @ $42 · Sale (S): 64,796 @ $92.40 · Sale (S): 204 @ $93.51 · Option exercise (M): 140,650 @ $42 · Option exercise (M): 11,348 @ $43 · Sale (S): 105,471 @ $89.47 · +4 more | EDGAR |
| 2026-08-21 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 26,802 @ $100.31 · Sale (S): 22,010 @ $97.67 | EDGAR |
| 2026-08-19 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 3,536 @ $109.95 · Sale (S): 24,144 @ $111.36 | EDGAR |
| 2026-08-18 | 4 | MERCURY SYSTEMS INC (MRCY) | Disposition to issuer (D): 70,287 @ $0 | EDGAR |
| 2025-08-20 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 10,395 @ $66.52 · Sale (S): 13,050 @ $64.46 | EDGAR |
| 2025-08-19 | 4 | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 44,940 @ $0 | EDGAR |
| 2024-09-18 | 4/A | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 69,006 @ $0 | EDGAR |
| 2024-08-21 | 4 | MERCURY SYSTEMS INC (MRCY) | Sale (S): 6,549 @ $39.49 | EDGAR |
| 2024-08-19 | 4 | MERCURY SYSTEMS INC (MRCY) | Grant/award (A): 69,006 @ $0 | EDGAR |
| 2024-06-26 | 4 | MERCURY SYSTEMS INC (MRCY) | Tax withholding (F): 567 @ $28.24 | EDGAR |
| 2024-02-13 | 4 | MERCURY SYSTEMS INC (MRCY) | Purchase (P): 3,653.20 @ $28.22 · Purchase (P): 3,412.97 @ $29.30 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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