X0303 4/A 2010-06-09 2010-06-09 0 0000077543 TUTOR PERINI Corp TPC 0001445408 Ronald N. Tutor Separate Property Trust C/O JOHN D. BARRETT 15901 OLDEN STREET SYLMAR CA 91342 0 0 1 0 Common Stock 2010-06-09 4 S 0 600000 16.68 D 18772900 D Amendment reflects a change in transaction code from D to S to properly classify the transaction as an open market sale of non-derivative securities. Ronald N. Tutor 2010-06-09