STUART KUPINSKY - 17 Feb 2026 Form 4 Insider Report for MERCURY SYSTEMS INC (MRCY)

Role
EVP, CLO & Corp Sec
Signature
/s/ Douglas Munro, attorney-in-fact
Issuer symbol
MRCY
Transactions as of
17 Feb 2026
Net transactions value
-$191,091
Form type
4
Filing time
19 Feb 2026, 16:47:23 UTC
Previous filing
20 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KUPINSKY STUART EVP, CLO & Corp Sec 50 MINUTEMAN ROAD, ANDOVER /s/ Douglas Munro, attorney-in-fact 19 Feb 2026 0001289593

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MRCY Common Stock Sale $191,091 -2,287 -3.3% $83.56 68,010 17 Feb 2026 Direct F1, F2
holding MRCY Common Stock 1,082 17 Feb 2026 401K Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares sold as part of a sell-to-cover program to satisfy tax withholding obligations upon the vesting of stock awards.
F2 Represents the per share price attributed to sales of shares on behalf of all participants under the sell-to-cover program on the transaction date indicated.