0001127602-24-024182.txt : 20240918 0001127602-24-024182.hdr.sgml : 20240918 20240918195603 ACCESSION NUMBER: 0001127602-24-024182 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240815 FILED AS OF DATE: 20240918 DATE AS OF CHANGE: 20240918 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ballhaus William L CENTRAL INDEX KEY: 0001436044 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-41194 FILM NUMBER: 241308601 MAIL ADDRESS: STREET 1: 3190 FAIRVIEW PARK DRIVE STREET 2: SUITE 700 CITY: FALLS CHURCH STATE: VA ZIP: 22042 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MERCURY SYSTEMS INC CENTRAL INDEX KEY: 0001049521 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS & ACCESSORIES [3670] ORGANIZATION NAME: 04 Manufacturing IRS NUMBER: 042741391 STATE OF INCORPORATION: MA FISCAL YEAR END: 0630 BUSINESS ADDRESS: STREET 1: 50 MINUTEMAN ROAD CITY: ANDOVER STATE: MA ZIP: 01810 BUSINESS PHONE: 9782561300 MAIL ADDRESS: STREET 1: 50 MINUTEMAN ROAD CITY: ANDOVER STATE: MA ZIP: 01810 FORMER COMPANY: FORMER CONFORMED NAME: MERCURY COMPUTER SYSTEMS INC DATE OF NAME CHANGE: 19971112 4/A 1 form4a.xml PRIMARY DOCUMENT X0508 4/A 2024-08-15 2024-08-19 0001049521 MERCURY SYSTEMS INC MRCY 0001436044 Ballhaus William L 50 MINUTEMAN ROAD ANDOVER MA 01810 1 1 Chairman, President & CEO 0 Common Stock 2024-08-15 4 A 0 69006 0 A 360030.325 D Common Stock 685 I 401K Plan Common Stock 7066.173 I By Milestone Road Holdings, LLC Represents restricted stock units that vest in 50%, 25% and 25% increments on the first, second and third anniversaries following the grant date, respectively. This amendment is being filed to correct an error in the original filing that reported the number of shares of the issuer's stock held indirectly through the 401(k) plan as 976 shares. The correct amount of the issuer's shares indirectly held through the 401k plan as of the original filing date was 685 shares. /s/ Douglas Munro, attorney-in-fact 2024-09-18