S&T BANCORP INC — Director's Dealing 2011

Feb 10, 2011

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: S&T BANCORP INC (STBA)
CIK: 0000719220
Period of Report: 2010-12-31

Reporting Person: SPADAFORA CHARLES A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-31	Common Stock	J	27	$19.25	Acquired	28856	Indirect
2010-12-31	Common Stock	J	2000	—	Acquired	6578	Indirect
2010-12-31	Common Stock	J	14400	—	Acquired	14400	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3159	Direct
Common Stock	6500	Indirect
Common Stock	2000	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$24.40	2011-12-17	Common Stock (5000)	5000	Direct
Stock Options (Right to Buy)	$26.60	2012-12-16	Common Stock (3000)	3000	Direct
Stock Options (Right to Buy)	$29.965	2013-12-15	Common Stock (2500)	2500	Direct
Stock Options (Right to Buy)	$37.08	2014-12-20	Common Stock (2500)	2500	Direct
Stock Options (Right to Buy)	$37.855	2015-12-19	Common Stock (2500)	2500	Direct

Footnotes

F1: Increase due to reinvested dividends in a dividend reinvestment plan.

F2: Shares incorrectly reported as sold in 2008.

F3: Acting as co-trustee of Cecil Spadafora Trust.