<SEC-DOCUMENT>0001172661-21-000579-index.html : 20210216 <SEC-HEADER>0001172661-21-000579.hdr.sgml : 20210216 <ACCEPTANCE-DATETIME>20210216123824 ACCESSION NUMBER: 0001172661-21-000579 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210216 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TUTOR PERINI CORP CENTRAL INDEX KEY: 0000077543 STANDARD INDUSTRIAL CLASSIFICATION: GENERAL BUILDING CONTRACTORS - NONRESIDENTIAL BUILDINGS [1540] IRS NUMBER: 041717070 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-13694 FILM NUMBER: 21635039 BUSINESS ADDRESS: STREET 1: 15901 OLDEN STREET CITY: SYLMAR STATE: CA ZIP: 91342 BUSINESS PHONE: 818-362-8391 MAIL ADDRESS: STREET 1: 15901 OLDEN STREET CITY: SYLMAR STATE: CA ZIP: 91342 FORMER COMPANY: FORMER CONFORMED NAME: TUTOR PERINI Corp DATE OF NAME CHANGE: 20090529 FORMER COMPANY: FORMER CONFORMED NAME: PERINI CORP DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FRONTIER CAPITAL MANAGEMENT CO LLC CENTRAL INDEX KEY: 0001216488 IRS NUMBER: 043492668 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 99 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02110 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>frontier-tpc123120a2.htm <DESCRIPTION>SCHEDULE 13G HOLDINGS REPORT AMENDMENT <TEXT> Document 1 - file: frontier-tpc123120a2.htm
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