X0306 5 2018-12-31 0 0 0 0000077543 TUTOR PERINI CORP TPC 0000906134 TUTOR RONALD N C/0 TUTOR PERINI CORPORATION 15901 OLDEN STREET SYLMAR CA 91342 1 1 1 0 Chairman & CEO Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 D 2010-05-28 2019-05-28 Common Stock 150000 600000 D Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 A 2010-05-28 2019-05-28 Common Stock 150000 150000 I By trust Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 D 2011-05-28 2019-05-28 Common Stock 150000 450000 D Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 A 2011-05-28 2019-05-28 Common Stock 150000 300000 I By trust Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 D 2012-05-28 2019-05-28 Common Stock 150000 300000 D Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 A 2012-05-28 2019-05-28 Common Stock 150000 450000 I By trust Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 D 2013-05-28 2019-05-28 Common Stock 150000 150000 D Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 A 2013-05-28 2019-05-28 Common Stock 150000 600000 I By trust Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 D 2014-03-15 2019-05-28 Common Stock 150000 0 D Employee Stock Option (Right to Buy) 20.33 2018-12-14 5 G 0 150000 0 A 2014-03-15 2019-05-28 Common Stock 150000 750000 I By trust Employee Stock Option (Right to Buy) 11.05 2018-12-14 5 G 0 150000 0 D 2015-03-15 2022-06-01 Common Stock 150000 150000 D Employee Stock Option (Right to Buy) 11.05 2018-12-14 5 G 0 150000 0 A 2015-03-15 2022-06-01 Common Stock 150000 150000 I By trust Employee Stock Option (Right to Buy) 11.05 2018-12-14 5 G 0 150000 0 D 2017-03-15 2022-06-01 Common Stock 150000 0 D Employee Stock Option (Right to Buy) 11.05 2018-12-14 5 G 0 150000 0 A 2017-03-15 2022-06-01 Common Stock 150000 300000 I By trust Employee Stock Option (Right to Buy) 22.20 2018-12-14 5 G 0 75000 0 D 2015-03-15 2023-11-13 Common Stock 75000 0 D Employee Stock Option (Right to Buy) 22.20 2018-12-14 5 G 0 75000 0 A 2015-03-15 2023-11-13 Common Stock 75000 75000 I By trust Employee Stock Option (Right to Buy) 28.17 2018-12-14 5 G 0 142402 0 D 2017-03-15 2024-03-30 Common Stock 142402 0 D Employee Stock Option (Right to Buy) 28.17 2018-12-14 5 G 0 142402 0 A 2017-03-15 2024-03-30 Common Stock 142402 142402 I By trust Employee Stock Option (Right to Buy) 24.05 2018-12-14 5 G 0 126006 0 D 2018-03-15 2024-12-22 Common Stock 126006 0 D Employee Stock Option (Right to Buy) 24.05 2018-12-14 5 G 0 126006 0 A 2018-03-15 2024-12-22 Common Stock 126006 126006 I By trust Employee Stock Option (Right to Buy) 24.05 2018-12-14 5 G 0 150000 0 D Common Stock 150000 0 D Employee Stock Option (Right to Buy) 24.05 2018-12-14 5 G 0 150000 0 A Common Stock 150000 150000 I By trust Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 D 2019-12-31 2028-01-05 Common Stock 75000 150000 D Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 A 2019-12-31 2028-01-05 Common Stock 75000 75000 I By trust Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 D 2020-12-31 2028-01-05 Common Stock 75000 75000 D Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 A 2020-12-31 2028-01-05 Common Stock 75000 150000 I By trust Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 D 2021-12-31 2028-01-05 Common Stock 75000 0 D Employee Stock Option (Right to Buy) 25.70 2018-12-14 5 G 0 75000 0 A 2021-12-31 2028-01-05 Common Stock 75000 225000 I By trust On December 14, 2018, the reporting person transferred stock options to the Tutor Marital Property Trust, of which the reporting person and his wife are beneficiaries. On December 22, 2014, the reporting person was granted 150,000 stock options vesting on March 15, 2019, based on the achievement of a performance target for the fiscal year 2018. The stock options were previously voluntarily reported on Form 4. /s/ John D. Barrett, Attorney-in-Fact 2019-02-01