Form 4 for MRCY MERCURY SYSTEMS INC
Accepted 2026-08-18 18:16:30 ET · period of report 2026-08-14 · accession 0001049521-26-000046 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 18:16 | 2026-08-14 | MRCY | Ballhaus William L | COB, Pres, CEO, Dir | D - Sale to Iss | $0.00 | -70.3K | 304.7K | -19% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-14 | D | D | 70,287 | $0.00 | 304,689.33 | D | — | — | (F1) Represents shares underlying performance stock awards that were forfeited as a result of below-target performance. |