Steven Ratner - 16 Mar 2026 Form 4 Insider Report for MERCURY SYSTEMS INC (MRCY)

Role
EVP, CHRO
Signature
/s/ Douglas Munro, attorney-in-fact
Issuer symbol
MRCY
Transactions as of
16 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 17:12:04 UTC
Previous filing
25 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ratner Steven EVP, CHRO 50 MINUTEMAN ROAD, ANDOVER /s/ Douglas Munro, attorney-in-fact 18 Mar 2026 0001995110

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRCY Common Stock Award +437 +1.3% $0.000000* 34,238 16 Mar 2026 Direct F1
holding MRCY Common Stock 235 16 Mar 2026 401K Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.