S&T BANCORP INC — Director's Dealing 2011

Mar 17, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2011-03-15

Reporting Person: BRICE TODD D (PRESIDENT, CEO & DIRECTOR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-15	Common Stock	A	5701	$22.365	Acquired	56046	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4247	Indirect
Common Stock	4776	Indirect
Common Stock	96	Indirect
Common Stock	1379	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$24.40	2011-12-17	Common Stock (10000)	10000	Direct
Stock Options (Right to Buy)	$29.965	2013-12-15	Common Stock (10000)	10000	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (12500)	12500	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (12500)	12500	Direct

Footnotes

F1: On March 15, 2011, the Compensation and Benefits Committee of the Registrant's board of directors approved the grant of restricted stock under the S&T Bancorp, Inc. 2003 Incentive Stock Plan, contingent upon the achievement of an earnings per share target under the S&T Bancorp, Inc. Management Incentive Plan for 2010. The actual number of shares granted and communicated to the recipient was determined after actual earnings per share were determined for the Registrant and the Registrant's Form 10-K was accepted by the SEC on March 15, 2011. Shares will vest 100% on March 15, 2013, subject to the restrictions of Section 30.10 of 31 C.F.R. Part 30, an interim final regulation promulgated by the United States Department of Treasury governing executive compensation for recipients of financial assistance under the Troubled Assets Relief Program ("TARP").