Form 4 for MRCY MERCURY SYSTEMS INC
Accepted 2026-03-18 00:00:00 ET · period of report 2026-03-16 · accession 0001049521-26-000014 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-18 | 2026-03-16 | MRCY | Ratner Steven | EVP, CHRO | A - Grant | $0.00 | +437 | 34.2K | +1% | $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 | 2026-03-16 | A | A | 437 | $0.00 | 34,238 | D | — | — | (F1) Represents the deemed acquisition of restricted stock units earned as matching awards under Mercury's Deferred Compensation Matching Plan following the satisfaction of relevant performance criteria. The award governing these units was granted on December 23, 2024. The number of units earned thereunder was determined on March 16, 2026, and the units became fully vested at that time. |