0001562180-20-005452.txt : 20200817 0001562180-20-005452.hdr.sgml : 20200817 20200817091307 ACCESSION NUMBER: 0001562180-20-005452 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200703 FILED AS OF DATE: 20200817 DATE AS OF CHANGE: 20200817 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: OBRIEN WILLIAM K CENTRAL INDEX KEY: 0001187425 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23599 FILM NUMBER: 201108102 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: 0703 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 5 1 primarydocument.xml PRIMARY DOCUMENT X0306 5 2020-07-03 false 0 0 0001049521 MERCURY SYSTEMS INC MRCY 0001187425 OBRIEN WILLIAM K 50 MINUTEMAN ROAD ANDOVER MA 01810 true false false false Common Stock 2019-12-12 5 G false 2666.00 70.72 D 57647.00 D /s/ Michelle McCarthy, Attorney-in-Fact for OBrien William K 2020-08-17