Ratner Steven 4
4 · MERCURY SYSTEMS INC · Filed Mar 18, 2026
Research Summary
AI-generated summary of this filing
Mercury Systems (MRCY) EVP Steven Ratner Receives 437-Share Award
What Happened
Steven Ratner, EVP and Chief Human Resources Officer of Mercury Systems (MRCY), was deemed to have acquired 437 restricted stock units (RSUs) as a matching award under the company's Deferred Compensation Matching Plan. The Form 4 reports an acquisition (code A) of 437 shares at $0.00 on 2026-03-16; the units became fully vested on that date.
Key Details
- Transaction date: 2026-03-16; Form 4 filed 2026-03-18 (appears timely).
- Reported transaction type/code: A (award/grant); price reported $0.00 (typical for vested RSUs on Form 4).
- Shares involved: 437 RSUs deemed acquired.
- Shares owned after transaction: not specified in the filing.
- Footnote: These were matching RSUs under Mercury’s Deferred Compensation Matching Plan. The award was originally granted 12/23/2024; the number earned was determined and units vested on 3/16/2026.
Context
This is a compensatory vesting event (an award), not an open-market purchase or sale. Such matching RSU vestings are common for executive compensation and do not, by themselves, indicate a buy or sell decision by the insider.
Insider Transaction Report
Form 4
Ratner Steven
EVP, CHRO
Transactions
- Award
Common Stock
[F1]2026-03-16+437→ 34,238 total
Holdings
- 235(indirect: By 401(k))
Common Stock
Footnotes (1)
- [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.
Signature
/s/ Douglas Munro, attorney-in-fact|2026-03-18