0001127602-09-009604 4 1 20090420 20090423 20090423 REBICH ROBERT 0001236839 4 34 000-12508 09767383 309 MAIN STREET IRWIN PA 15642 S&T BANCORP INC 0000719220 6022 251434426 PA 1231 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 7244651466 800 PHILADELPHIA STREET PO BOX 190 INDIANA PA 15701 4 1 form4.xml PRIMARY DOCUMENT