The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO COM 88579Y101 11,234 74,575 SH   DFND 1 73,666 396 513
3M CO COM 88579Y101 360 2,392 SH   DFND   2,392 0 0
ABBOTT LABORATORIES COM 002824100 2,699 60,096 SH   DFND 1 56,982 1,004 2,110
ABBOTT LABORATORIES COM 002824100 251 5,580 SH   DFND   5,580 0 0
ABBVIE INC COM 00287Y109 1,061 17,899 SH   DFND 1 15,789 0 2,110
ABBVIE INC COM 00287Y109 45 767 SH   DFND   767 0 0
AECOM COM 00766T100 18,828 626,970 SH   DFND 1 626,225 0 745
AECOM COM 00766T100 193 6,420 SH   DFND   6,420 0 0
AGL RESOURCES INC COM 001204106 21,987 344,565 SH   DFND 1 341,807 1,181 1,577
AGL RESOURCES INC COM 001204106 554 8,686 SH   DFND   8,686 0 0
ALLEGHENY VALLEY BANCORP PA COM 017427105 6,483 144,067 SH   DFND 1 144,067 0 0
AMERICAN EAGLE OUTFITTERS COM 02553E106 10,048 648,279 SH   DFND 1 644,975 0 3,304
AMERICAN EAGLE OUTFITTERS COM 02553E106 115 7,393 SH   DFND   7,393 0 0
AMERISERV FINL INC COM 03074A102 32 10,000 SH   DFND 1 0 0 10,000
AMERISOURCEBERGEN CORP COM 03073E105 10,665 102,831 SH   DFND 1 102,542 0 289
AMERISOURCEBERGEN CORP COM 03073E105 199 1,916 SH   DFND   1,916 0 0
AMTRUST FINL SVCS INC COM 032359309 18,863 306,316 SH   DFND 1 304,849 0 1,467
AMTRUST FINL SVCS INC COM 032359309 198 3,215 SH   DFND   3,215 0 0
ARTHUR J GALLAGHER & CO COM 363576109 407 9,943 SH   DFND 1 9,943 0 0
AT&T INC COM 00206R102 459 13,336 SH   DFND 1 11,836 0 1,500
AT&T INC COM 00206R102 201 5,832 SH   DFND   5,832 0 0
BERKSHIRE HATHAWAY INC DEL CLASS B 084670702 9,074 68,725 SH   DFND 1 68,462 0 263
BERKSHIRE HATHAWAY INC DEL CLASS B 084670702 151 1,140 SH   DFND   1,140 0 0
BLACKHAWK NETWORK HLDGS INC COM 09238E104 14,286 323,152 SH   DFND 1 322,748 0 404
BLACKHAWK NETWORK HLDGS INC COM 09238E104 152 3,428 SH   DFND   3,325 103 0
BOEING CO COM 097023105 43 300 SH   DFND 1 300 0 0
BOEING CO COM 097023105 439 3,036 SH   DFND   3,036 0 0
CB FINANCIAL SERVICES INC COM 12479G101 1,295 56,500 SH   DFND 1 56,500 0 0
CBT FINANCIAL CORP COM 12495U100 1,263 48,452 SH   DFND 1 48,452 0 0
CF INDUSTRIES HOLDINGS INC COM 125269100 11,476 281,204 SH   DFND 1 279,664 0 1,540
CF INDUSTRIES HOLDINGS INC COM 125269100 136 3,327 SH   DFND   3,327 0 0
CNB FINL CORP PA COM 126128107 180 10,000 SH   DFND 1 10,000 0 0
COACH INC COM 189754104 5,849 178,727 SH   DFND 1 176,995 1,055 677
COACH INC COM 189754104 222 6,781 SH   DFND   6,781 0 0
COLGATE PALMOLIVE CO COM 194162103 2,432 36,508 SH   DFND 1 35,195 764 549
COLGATE PALMOLIVE CO COM 194162103 224 3,365 SH   DFND   3,365 0 0
CUMMINS INC COM 231021106 5,981 67,955 SH   DFND 1 67,820 0 135
CUMMINS INC COM 231021106 228 2,592 SH   DFND   2,592 0 0
DEVON ENERGY CORP NEW COM 25179M103 3,263 101,972 SH   DFND 1 101,750 0 222
DEVON ENERGY CORP NEW COM 25179M103 57 1,774 SH   DFND   1,774 0 0
DISNEY WALT CO COM 254687106 207 1,967 SH   DFND 1 1,667 0 300
DISNEY WALT CO COM 254687106 11 100 SH   DFND   100 0 0
EMCOR GROUP INC COM 29084Q100 19,004 395,599 SH   DFND 1 393,619 0 1,980
EMCOR GROUP INC COM 29084Q100 226 4,703 SH   DFND   4,703 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 7,868 90,012 SH   DFND 1 89,783 0 229
EXPRESS SCRIPTS HLDG CO COM 30219G108 130 1,482 SH   DFND   1,482 0 0
EXXON MOBIL CORP COM 30231G102 8,925 114,497 SH   DFND 1 112,287 885 1,325
EXXON MOBIL CORP COM 30231G102 1,001 12,842 SH   DFND   12,842 0 0
F M C CORP COM 302491303 6,616 169,068 SH   DFND 1 167,508 0 1,560
F M C CORP COM 302491303 120 3,074 SH   DFND   3,074 0 0
F5 NETWORKS INC COM 315616102 13,338 137,564 SH   DFND 1 136,825 0 739
F5 NETWORKS INC COM 315616102 118 1,221 SH   DFND   1,221 0 0
FEDERATED INVS INC PA CLASS B 314211103 9,313 325,041 SH   DFND 1 321,796 1,670 1,575
FEDERATED INVS INC PA CLASS B 314211103 245 8,566 SH   DFND   8,566 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 461 50,854 SH   DFND 1 50,854 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 112 12,300 SH   DFND   12,300 0 0
FLEXTRONICS INTL LTD COM Y2573F102 16,439 1,466,451 SH   DFND 1 1,458,663 0 7,788
FLEXTRONICS INTL LTD COM Y2573F102 152 13,549 SH   DFND   13,549 0 0
FMC CORP COM 302491303 2,683 68,554 SH   DFND 1 68,554 0 0
GALLAGHER ARTHUR J & CO COM 363576109 1,647 40,240 SH   DFND 1 39,284 766 190
GALLAGHER ARTHUR J & CO COM 363576109 178 4,348 SH   DFND   4,348 0 0
GAMESTOP CORP CLASS A 36467W109 13,234 471,962 SH   DFND 1 469,420 0 2,542
GAMESTOP CORP CLASS A 36467W109 162 5,782 SH   DFND   5,782 0 0
GENERAL ELECTRIC CO COM 369604103 11,677 374,848 SH   DFND 1 365,005 2,576 7,267
GENERAL ELECTRIC CO COM 369604103 454 14,565 SH   DFND   14,565 0 0
HOLLYFRONTIER CORP COM 436106108 6,145 154,045 SH   DFND 1 151,498 1,156 1,391
HOLLYFRONTIER CORP COM 436106108 184 4,622 SH   DFND   4,622 0 0
INTEL CORP COM 458140100 9,184 266,595 SH   DFND 1 262,552 1,624 2,419
INTEL CORP COM 458140100 368 10,694 SH   DFND   10,694 0 0
ISHARES TR CORE S&P500 ETF 464287804 5,168 45,351 SH   DFND 1 44,877 449 25
ISHARES TR CORE S&P500 ETF 464287200 839 4,096 SH   DFND   4,096 0 0
J2 GLOBAL INC COM 48123V102 17,102 207,751 SH   DFND 1 206,612 0 1,139
J2 GLOBAL INC COM 48123V102 176 2,139 SH   DFND   2,139 0 0
JOHNSON & JOHNSON COM 478160104 2,683 26,115 SH   DFND 1 25,452 383 280
JOHNSON & JOHNSON COM 478160104 359 3,497 SH   DFND   3,497 0 0
JPMORGAN CHASE & CO COM 46625H100 1,436 21,754 SH   DFND 1 1,154 0 20,600
JPMORGAN CHASE & CO COM 46625H100 18 279 SH   DFND   279 0 0
KIMBERLY CLARK CORP COM 494368103 2,852 22,405 SH   DFND 1 21,702 433 270
KIMBERLY CLARK CORP COM 494368103 240 1,885 SH   DFND   1,885 0 0
KIRBY CORP COM 497266106 8,935 169,785 SH   DFND 1 168,792 0 993
KIRBY CORP COM 497266106 104 1,977 SH   DFND   1,977 0 0
LIFELOCK INC COM 53224V100 30,731 2,141,552 SH   DFND 1 2,138,889 0 2,663
LIFELOCK INC COM 53224V100 305 21,288 SH   DFND   20,633 655 0
LOWES COS INC COM 548661107 1,304 17,146 SH   DFND 1 14,025 3,121 0
MARS NATIONAL BANCORP INC COM 571697101 74 185 SH   DFND 1 185 0 0
MASIMO CORP COM 574795100 4,066 97,955 SH   DFND 1 96,984 0 971
MASIMO CORP COM 574795100 8 199 SH   DFND   199 0 0
MERCK & CO INC COM 58933Y105 89 1,677 SH   DFND 1 1,677 0 0
MERCK & CO INC COM 58933Y105 128 2,424 SH   DFND   2,424 0 0
MEREDITH CORP COM 589433101 2,224 51,422 SH   DFND 1 50,130 846 446
MEREDITH CORP COM 589433101 235 5,435 SH   DFND   5,435 0 0
MICROSOFT CORP COM 594918104 11,478 206,897 SH   DFND 1 203,000 1,416 2,481
MICROSOFT CORP COM 594918104 499 8,987 SH   DFND   8,987 0 0
MOSAIC CO COM 61945C103 3,388 122,809 SH   DFND 1 122,511 0 298
MOSAIC CO COM 61945C103 58 2,103 SH   DFND   2,103 0 0
MYRIAD GENETICS INC COM 62855J104 14,187 328,704 SH   DFND 1 326,967 0 1,737
MYRIAD GENETICS INC COM 62855J104 137 3,181 SH   DFND   3,181 0 0
NATIONAL FUEL GAS CO N J COM 636180101 447 10,450 SH   DFND 1 9,850 0 600
NATIONAL OILWELL VARCO INC COM 637071101 467 13,949 SH   DFND 1 13,949 0 0
NEUSTAR INC CLASS A 64126X201 14,723 614,232 SH   DFND 1 613,495 0 737
NEUSTAR INC CLASS A 64126X201 150 6,200 SH   DFND   6,200 0 0
OCCIDENTAL PETROLEUM CORP COM 674599105 7,943 117,475 SH   DFND 1 115,929 832 714
OCCIDENTAL PETROLEUM CORP COM 674599105 306 4,531 SH   DFND   4,531 0 0
PAREXEL INTERNATIONAL CORP COM 699462107 11,126 163,332 SH   DFND 1 163,145 0 187
PAREXEL INTERNATIONAL CORP COM 699462107 111 1,635 SH   DFND   1,635 0 0
PEPSICO INC COM 713448108 8,818 88,248 SH   DFND 1 86,645 447 1,156
PEPSICO INC COM 713448108 331 3,310 SH   DFND   3,310 0 0
PNC FINL SVCS GROUP INC COM 693475105 116 1,215 SH   DFND 1 515 0 700
PNC FINL SVCS GROUP INC COM 693475105 205 2,156 SH   DFND   2,156 0 0
POLARIS INDUSTRIES INC COM 731068102 11,226 130,609 SH   DFND 1 129,487 305 817
POLARIS INDUSTRIES INC COM 731068102 195 2,264 SH   DFND   2,264 0 0
PPG INDS INC COM 693506107 358 3,618 SH   DFND 1 3,018 0 600
PPG INDS INC COM 693506107 79 800 SH   DFND   800 0 0
PROCTER & GAMBLE CO COM 742718109 8,545 107,606 SH   DFND 1 105,771 526 1,309
PROCTER & GAMBLE CO COM 742718109 393 4,953 SH   DFND   4,953 0 0
ROCHE HOLDINGS LTD-SPONS ADR SPONS ADR 771195104 598 17,358 SH   DFND 1 17,358 0 0
ROCKWELL AUTOMATION INC COM 773903109 78 763 SH   DFND 1 763 0 0
ROCKWELL AUTOMATION INC COM 773903109 154 1,500 SH   DFND   1,500 0 0
S & T BANCORP INC COM 783859101 36,387 1,180,614 SH   DFND 1 299,606 3,335 877,673
S & T BANCORP INC COM 783859101 7,596 246,472 SH   DFND   23,440 32,685 190,347
SKYWORKS SOLUTIONS INC COM 83088M102 19,206 249,981 SH   DFND 1 248,773 0 1,208
SKYWORKS SOLUTIONS INC COM 83088M102 208 2,702 SH   DFND   2,702 0 0
SMUCKER J M CO COM 832696405 2,903 23,540 SH   DFND 1 22,931 374 235
SMUCKER J M CO COM 832696405 244 1,980 SH   DFND   1,980 0 0
SOLARWINDS INC COM 83416B109 28,436 482,783 SH   DFND 1 482,190 0 593
SOLARWINDS INC COM 83416B109 302 5,125 SH   DFND   4,979 146 0
TECH DATA CORP COM 878237106 12,999 195,829 SH   DFND 1 194,809 0 1,020
TECH DATA CORP COM 878237106 128 1,930 SH   DFND   1,930 0 0
TERRA NITROGEN COMPANY LP COM 881005201 6,118 60,232 SH   DFND 1 58,957 510 765
TERRA NITROGEN COMPANY LP COM 881005201 206 2,025 SH   DFND   2,025 0 0
TETRA TECH INC COM 88162G103 14,119 542,630 SH   DFND 1 541,992 0 638
TETRA TECH INC COM 88162G103 140 5,399 SH   DFND   5,399 0 0
TRISTATE CAPITAL HLDGS INC COM 89678F100 350 25,000 SH   DFND 1 25,000 0 0
TRIUMPH GROUP INC COM 896818101 8,425 211,970 SH   DFND 1 210,750 0 1,220
TRIUMPH GROUP INC COM 896818101 82 2,059 SH   DFND   2,059 0 0
VANTIV INC CLASS A 92210H105 9,106 192,024 SH   DFND 1 191,805 0 219
VANTIV INC CLASS A 92210H105 99 2,087 SH   DFND   2,033 54 0
VERIZON COMMUNICATIONS INC COM 92343V104 3,460 74,864 SH   DFND 1 72,695 1,622 547
VERIZON COMMUNICATIONS INC COM 92343V104 699 15,131 SH   DFND   15,131 0 0
WEB COM GROUP INC COM 94733A104 12,169 608,167 SH   DFND 1 607,389 0 778
WEB COM GROUP INC COM 94733A104 125 6,245 SH   DFND   6,066 179 0
WELLS FARGO & CO COM 949746101 2,036 37,437 SH   DFND 1 36,239 818 380
WELLS FARGO & CO COM 949746101 121 2,217 SH   DFND   2,217 0 0
WESTERN DIGITAL CORP COM 958102105 11,673 194,383 SH   DFND 1 193,263 0 1,120
WESTERN DIGITAL CORP COM 958102105 310 5,162 SH   DFND   5,162 0 0
WVS FINANCIAL CORP COM 929358109 203 16,500 SH   DFND 1 16,500 0 0