0001562180-21-005398.txt : 20210818 0001562180-21-005398.hdr.sgml : 20210818 20210818143934 ACCESSION NUMBER: 0001562180-21-005398 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210816 FILED AS OF DATE: 20210818 DATE AS OF CHANGE: 20210818 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THIBAUD DIDIER M C CENTRAL INDEX KEY: 0001211771 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-23599 FILM NUMBER: 211186454 MAIL ADDRESS: STREET 1: 199 RIVERNECK ROAD CITY: CHEISFORD STATE: MA ZIP: 01824 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 4 1 primarydocument.xml PRIMARY DOCUMENT X0306 4 2021-08-16 false 0001049521 MERCURY SYSTEMS INC MRCY 0001211771 THIBAUD DIDIER M C 50 MINUTEMAN ROAD ANDOVER MA 01810 false true false false EVP, COO Common Stock 2021-08-16 4 F false 1661.00 53.13 D 260810.00 D Common Stock 2021-08-16 4 F false 12450.00 53.13 D 248360.00 D Common Stock 2021-08-16 4 F false 1120.00 53.13 D 247240.00 D Common Stock 2021-08-17 4 F false 1323.00 51.83 D 245917.00 D Ownership includes FY19 performance-based restricted stock vesting at 250.0%. /s/ Michelle McCarthy, Attorney-in-Fact for Thibaud Didier M C 2021-08-18