S&T Bancorp, Inc.
S&T BANCORP INC (Form: 3, Received: 01/10/2012 15:19:44)
Washington, D.C. 20549


OMB Number: 3235-0104
Expires: November 30, 2011
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person *

Werner Robert E III

2. Date of Event Requiring Statement (MM/DD/YYYY)

3. Issuer Name and Ticker or Trading Symbol


(Last)        (First)        (Middle)


4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                            _____ 10% Owner
___ X ___ Officer (give title below)          _____ Other (specify below)
Executive Vice President /


INDIANA, PA 15701       

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed (MM/DD/YYYY)


6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock   982   D    
Common Stock   (1) (2) (3) 567   D    
Common Stock   11237.643   I   401 K  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Right to Buy)   1/1/2006   12/20/2014   Common Stock   6500   $37.08   D    
Stock Options (Right to Buy)   1/1/2007   12/19/2015   Common Stock   6500   $37.855   D    

Explanation of Responses:
( 1)  Restricted Chares - 21 remaining - 25% vested 01/01/10, 25% vested 01/01/11, 25% vested 01/01/12, 25% vesting 01/01/13
( 2)  Restricted Shares - 273 remaining - 50% vesting 03/21/2013, 50% vesting 03/21/2014
( 3)  Restricted Shares - 273 remaining - These shares were granted by the Compensation and Benefits Committee of the Registrant's board of directors as restricted stock under the S&T Bancorp, Inc. Long Term Incentive Plan. The shares will be earned based on S&T's Return on Average Equity performance over a three year period, beginning March 21, 2011.

Reporting Owners
Reporting Owner Name / Address
Director 10% Owner Officer Other
Werner Robert E III

Executive Vice President

Timothy P. McKee P.O.A. for Robert E. Werner III 1/10/2012
** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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This Statement confirms that the undersigned, Robert E Werner III, has authorized and designated each of Melanie A. Hubler, Kendra J. Milner or Timothy P. McKee to execute and file on the undersigned's behalf all Forms 3, 4 and 5 (including any amendments thereto) that the undersigned may be required to file with the U.S. Securities and Exchange Commission as a result of the undersigned's ownership of or transactions in securities of S&T Bancorp, Inc. The authority of Melanie A. Hubler, Kendra J. Milner or Timothy P. McKee under this Statement shall continue until the undersigned is no longer required to file Forms 3, 4 and 5 with regard to his/her ownership of or transactions in securities of S&T Bancorp, Inc., unless earlier revoked in writing. The undersigned acknowledges that Melanie A. Hubler, Kendra J. Milner or Timothy P. McKee are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

Date: December 29, 2011

/s/ Robert E. Werner III