0001562180-22-007359.txt : 20221028 0001562180-22-007359.hdr.sgml : 20221028 20221028132912 ACCESSION NUMBER: 0001562180-22-007359 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20221026 FILED AS OF DATE: 20221028 DATE AS OF CHANGE: 20221028 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: OBRIEN WILLIAM K CENTRAL INDEX KEY: 0001187425 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41194 FILM NUMBER: 221340528 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MERCURY SYSTEMS INC CENTRAL INDEX KEY: 0001049521 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS & ACCESSORIES [3670] IRS NUMBER: 042741391 STATE OF INCORPORATION: MA FISCAL YEAR END: 0701 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 1 primarydocument.xml PRIMARY DOCUMENT X0306 4 2022-10-26 false 0001049521 MERCURY SYSTEMS INC MRCY 0001187425 OBRIEN WILLIAM K 50 MINUTEMAN ROAD ANDOVER MA 01810 true false false false Common Stock 2022-10-26 4 A false 3976.00 0.00 A 13100.00 D Common Stock 53991.00 I Power of Attorney These shares of restricted stock vest at 100% on the first anniversary of the grant date. /s/ Michelle McCarthy, Attorney-in-Fact for OBrien William K 2022-10-28