MERCURY SYSTEMS INC — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MERCURY SYSTEMS INC (MRCY)
CIK: 0001049521
Period of Report: 2026-02-17

Reporting Person: Munro Douglas (SVP, CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Common Stock	S	582	$83.5554	Disposed	14328	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	248	Indirect

Footnotes

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.