UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________ Commission File Number 1-6314 Tutor Perini Corporation FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or (Exact Name of Registrant as Specified in its Charter) MASSACHUSETTS 04-1717 ...

Tutor Perini Corporation (NYSE:TPC) Q4 2018 Results Earnings Conference Call February 27, 2019 5:00 PM ET Company Participants Jorge Casado - Vice President, Investor Relations Ronald Tutor - Chairman and CEO Gary Smalley - Executive Vice President and CFO Conference Call Participants Brent Thielman - D. A. Davidson Steven Fisher - UBS Operator Good day, ladies and gentlemen. And welcome to the Tutor Perini Corporation Fourth Quarter and Full Year 2018 Earnings Conference Call. My name is Sherri, and I will ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K ☑ Annual Report Pursuant to Section 13 or 15(d) of the Securities Act of 1934. For the fiscal year ended December 31, 2018. ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. For the transition period from -to- Commission File No. 1-6314 Tutor Perini Corporation (Exact name of registrant as specified in its charter) Massachusetts 04-1717070 (State of Incorporation) (IRS Employer Identific ...