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 12,393 74,373 SH   DFND 1 73,547 303 523
3M CO COM 88579Y101 330 1,983 SH   DFND   1,983 0 0
ABBOTT LABORATORIES COM 002824100 2,480 59,271 SH   DFND 1 56,132 1,029 2,110
ABBOTT LABORATORIES COM 002824100 228 5,456 SH   DFND   5,456 0 0
ABBVIE INC COM 00287Y109 870 15,245 SH   DFND 1 13,195 0 2,050
ABBVIE INC COM 00287Y109 17 292 SH   DFND   292 0 0
AECOM COM 00766T100 19,529 634,255 SH   DFND 1 633,510 0 745
AECOM COM 00766T100 133 4,324 SH   DFND   4,324 0 0
AGL RESOURCES INC COM 001204106 20,741 318,420 SH   DFND 1 315,662 1,181 1,577
AGL RESOURCES INC COM 001204106 376 5,768 SH   DFND   5,768 0 0
ALLEGHENY VALLEY BANCORP PA COM 017427105 5,923 144,455 SH   DFND 1 144,455 0 0
AMERICAN EAGLE OUTFITTERS COM 02553E106 12,476 748,392 SH   DFND 1 744,358 0 4,034
AMERICAN EAGLE OUTFITTERS COM 02553E106 240 14,408 SH   DFND   14,408 0 0
AMERISERV FINL INC COM 03074A102 30 10,000 SH   DFND 1 0 0 10,000
AMERISOURCEBERGEN CORP COM 03073E105 10,320 119,239 SH   DFND 1 118,935 0 304
AMERISOURCEBERGEN CORP COM 03073E105 127 1,471 SH   DFND   1,471 0 0
AMTRUST FINANCIAL SERVICES COM 032359309 16,241 627,559 SH   DFND 1 624,575 0 2,984
AMTRUST FINANCIAL SERVICES COM 032359309 118 4,546 SH   DFND   4,546 0 0
AT&T INC COM 00206R102 452 11,536 SH   DFND 1 10,036 0 1,500
AT&T INC COM 00206R102 228 5,832 SH   DFND   5,832 0 0
BERKSHIRE HATHAWAY INC CLASS B 084670702 11,201 78,950 SH   DFND 1 78,632 0 318
BERKSHIRE HATHAWAY INC CLASS B 084670702 152 1,070 SH   DFND   1,070 0 0
BLACKHAWK NETWORK HLDGS INC COM 09238E104 11,544 336,565 SH   DFND 1 336,121 0 444
BLACKHAWK NETWORK HLDGS INC COM 09238E104 90 2,637 SH   DFND   2,518 119 0
BOEING CO COM 097023105 38 300 SH   DFND 1 300 0 0
BOEING CO COM 097023105 385 3,036 SH   DFND   3,036 0 0
CALIFORNIA RESOURCES CORP COM 13057Q107 1 649 SH   DFND 1 649 0 0
CB FINANCIAL SERVICES INC COM 12479G101 1,117 56,500 SH   DFND 1 56,500 0 0
CBT FINANCIAL CORP COM 12495U100 1,340 48,452 SH   DFND 1 48,452 0 0
CF INDUSTRIES HOLDINGS INC COM 125269100 11,648 371,674 SH   DFND 1 369,603 0 2,071
CF INDUSTRIES HOLDINGS INC COM 125269100 233 7,443 SH   DFND   7,443 0 0
COACH INC COM 189754104 6,883 171,677 SH   DFND 1 170,789 658 230
COACH INC COM 189754104 249 6,204 SH   DFND   6,204 0 0
COLGATE PALMOLIVE CO COM 194162103 2,557 36,194 SH   DFND 1 34,945 700 549
COLGATE PALMOLIVE CO COM 194162103 231 3,266 SH   DFND   3,266 0 0
CUMMINS INC COM 231021106 8,179 74,399 SH   DFND 1 74,257 0 142
CUMMINS INC COM 231021106 271 2,464 SH   DFND   2,464 0 0
DISNEY WALT CO COM 254687106 195 1,967 SH   DFND 1 1,667 0 300
DISNEY WALT CO COM 254687106 10 100 SH   DFND   100 0 0
EMCOR GROUP INC COM 29084Q100 19,337 397,880 SH   DFND 1 395,952 0 1,928
EMCOR GROUP INC COM 29084Q100 139 2,856 SH   DFND   2,856 0 0
EXPRESS SCRIPTS HOLDING CO COM 30219G108 7,261 105,707 SH   DFND 1 105,469 0 238
EXPRESS SCRIPTS HOLDING CO COM 30219G108 93 1,353 SH   DFND   1,353 0 0
EXXON MOBIL CORP COM 30231G102 9,474 113,341 SH   DFND 1 111,188 828 1,325
EXXON MOBIL CORP COM 30231G102 1,037 12,406 SH   DFND   12,406 0 0
F M C CORP COM 302491303 7,290 180,584 SH   DFND 1 178,989 0 1,595
F M C CORP COM 302491303 92 2,275 SH   DFND   2,275 0 0
F5 NETWORKS INC COM 315616102 15,340 144,918 SH   DFND 1 144,151 0 767
F5 NETWORKS INC COM 315616102 119 1,120 SH   DFND   1,120 0 0
FEDERATED INVESTORS INC CLASS B 314211103 9,028 312,914 SH   DFND 1 310,394 899 1,621
FEDERATED INVESTORS INC CLASS B 314211103 225 7,801 SH   DFND   7,801 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 422 47,654 SH   DFND 1 47,654 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 109 12,300 SH   DFND   12,300 0 0
FLEXTRONICS INTL LTD COM Y2573F102 17,769 1,473,394 SH   DFND 1 1,465,992 0 7,402
FLEXTRONICS INTL LTD COM Y2573F102 109 9,035 SH   DFND   9,035 0 0
FMC CORP COM 302491303 2,800 69,354 SH   DFND 1 69,354 0 0
GALLAGHER ARTHUR J & CO COM 363576109 1,496 33,642 SH   DFND 1 33,096 356 190
GALLAGHER ARTHUR J & CO COM 363576109 184 4,141 SH   DFND   4,141 0 0
GAMESTOP CORP CLASS A 36467W109 17,729 558,741 SH   DFND 1 555,491 0 3,250
GAMESTOP CORP CLASS A 36467W109 356 11,228 SH   DFND   11,228 0 0
GENERAL ELECTRIC CO COM 369604103 11,230 353,234 SH   DFND 1 344,140 1,827 7,267
GENERAL ELECTRIC CO COM 369604103 399 12,563 SH   DFND   12,563 0 0
GENERAL MLS INC COM 370334104 156 2,460 SH   DFND 1 2,460 0 0
GENERAL MLS INC COM 370334104 63 1,000 SH   DFND   1,000 0 0
HOLLYFRONTIER CORP COM 436106108 4,828 136,676 SH   DFND 1 135,122 686 868
HOLLYFRONTIER CORP COM 436106108 165 4,664 SH   DFND   4,664 0 0
INTEL CORP COM 458140100 9,068 280,328 SH   DFND 1 276,406 1,503 2,419
INTEL CORP COM 458140100 323 9,974 SH   DFND   9,974 0 0
ISHARES TR CORE S&P500 ETF 464287168 303 3,713 SH   DFND 1 1,928 1,785 0
ISHARES TR CORE S&P500 ETF 464287200 353 1,708 SH   DFND 1 1,708 0 0
ISHARES TR CORE S&P500 ETF 464287200 823 3,984 SH   DFND   3,984 0 0
ISHARES TR CORE S&P SCP ETF 464287804 4,719 41,918 SH   DFND 1 41,444 449 25
J2 GLOBAL INC COM 48123V102 12,732 206,757 SH   DFND 1 205,669 0 1,088
J2 GLOBAL INC COM 48123V102 85 1,378 SH   DFND   1,378 0 0
JOHNSON & JOHNSON COM 478160104 173 1,596 SH   DFND 1 1,498 0 98
JOHNSON & JOHNSON COM 478160104 157 1,450 SH   DFND   1,450 0 0
JPMORGAN CHASE & CO COM 46625H100 1,276 21,554 SH   DFND 1 1,154 0 20,400
JPMORGAN CHASE & CO COM 46625H100 17 279 SH   DFND   279 0 0
KIMBERLY CLARK CORP COM 494368103 2,748 20,431 SH   DFND 1 19,972 289 170
KIMBERLY CLARK CORP COM 494368103 236 1,758 SH   DFND   1,758 0 0
KIRBY CORP COM 497266106 11,241 186,447 SH   DFND 1 185,231 0 1,216
KIRBY CORP COM 497266106 111 1,846 SH   DFND   1,846 0 0
LIFELOCK INC COM 53224V100 25,962 2,150,958 SH   DFND 1 2,148,295 0 2,663
LIFELOCK INC COM 53224V100 172 14,247 SH   DFND   13,633 614 0
LOWES COS INC COM 548661107 1,062 14,025 SH   DFND 1 14,025 0 0
MARS NATIONAL BANCORP INC COM 571697101 71 185 SH   DFND 1 185 0 0
MASIMO CORP COM 574795100 4,059 97,004 SH   DFND 1 96,033 0 971
MASIMO CORP COM 574795100 8 199 SH   DFND   199 0 0
MERCK & CO INC COM 58933Y105 83 1,577 SH   DFND 1 1,577 0 0
MERCK & CO INC COM 58933Y105 128 2,424 SH   DFND   2,424 0 0
MEREDITH CORP COM 589433101 1,605 33,781 SH   DFND 1 33,364 417 0
MEREDITH CORP COM 589433101 247 5,209 SH   DFND   5,209 0 0
MICROSOFT CORP COM 594918104 11,010 199,345 SH   DFND 1 196,009 992 2,344
MICROSOFT CORP COM 594918104 407 7,367 SH   DFND   7,367 0 0
MOSAIC CO COM 61945C103 6,778 251,048 SH   DFND 1 249,996 0 1,052
MOSAIC CO COM 61945C103 246 9,127 SH   DFND   9,127 0 0
MYRIAD GENETICS INC COM 62855J104 12,390 331,016 SH   DFND 1 329,279 0 1,737
MYRIAD GENETICS INC COM 62855J104 82 2,200 SH   DFND   2,200 0 0
NATIONAL FUEL GAS CO COM 636180101 523 10,450 SH   DFND 1 9,850 0 600
NEUSTAR INC CLASS A 64126X201 15,209 618,261 SH   DFND 1 617,552 0 709
NEUSTAR INC CLASS A 64126X201 103 4,167 SH   DFND   4,167 0 0
OCCIDENTAL PETROLEUM CORP COM 674599105 8,298 121,270 SH   DFND 1 119,986 745 539
OCCIDENTAL PETROLEUM CORP COM 674599105 293 4,283 SH   DFND   4,283 0 0
PAREXEL INTERNATIONAL CORP COM 699462107 10,584 168,724 SH   DFND 1 168,537 0 187
PAREXEL INTERNATIONAL CORP COM 699462107 70 1,118 SH   DFND   1,118 0 0
PEPSICO INC COM 713448108 9,213 89,905 SH   DFND 1 88,312 437 1,156
PEPSICO INC COM 713448108 303 2,953 SH   DFND   2,953 0 0
PERRIGO CO PLC COM G97822103 1,006 7,865 SH   DFND 1 7,865 0 0
PERRIGO CO PLC COM G97822103 37 289 SH   DFND   289 0 0
PNC FINL SVCS GROUP INC COM 693475105 103 1,215 SH   DFND 1 515 0 700
PNC FINL SVCS GROUP INC COM 693475105 182 2,156 SH   DFND   2,156 0 0
POLARIS INDUSTRIES INC COM 731068102 13,486 136,943 SH   DFND 1 135,851 260 832
POLARIS INDUSTRIES INC COM 731068102 239 2,429 SH   DFND   2,429 0 0
PPG INDS INC COM 693506107 401 3,598 SH   DFND 1 2,998 0 600
PPG INDS INC COM 693506107 89 800 SH   DFND   800 0 0
PROCTER & GAMBLE CO COM 742718109 470 5,714 SH   DFND 1 4,889 0 825
PROCTER & GAMBLE CO COM 742718109 103 1,253 SH   DFND   1,253 0 0
ROCHE HOLDINGS LTD SPONS ADR 771195104 532 17,358 SH   DFND 1 17,358 0 0
ROCKWELL AUTOMATION INC COM 773903109 74 650 SH   DFND 1 650 0 0
ROCKWELL AUTOMATION INC COM 773903109 171 1,500 SH   DFND   1,500 0 0
S & T BANCORP INC COM 783859101 29,163 1,132,111 SH   DFND 1 237,484 2,187 892,440
S & T BANCORP INC COM 783859101 6,349 246,472 SH   DFND   23,440 32,685 190,347
SKYWORKS SOLUTIONS INC COM 83088M102 20,732 266,143 SH   DFND 1 264,959 0 1,184
SKYWORKS SOLUTIONS INC COM 83088M102 177 2,270 SH   DFND   2,270 0 0
SMUCKER J M CO COM 832696405 2,868 22,084 SH   DFND 1 21,526 323 235
SMUCKER J M CO COM 832696405 235 1,813 SH   DFND   1,813 0 0
STARBUCKS CORP COM 855244109 214 3,582 SH   DFND 1 3,582 0 0
TECH DATA CORP COM 878237106 10,748 140,000 SH   DFND 1 139,271 0 729
TECH DATA CORP COM 878237106 75 974 SH   DFND   974 0 0
TERRA NITROGEN COMPANY LP COM 881005201 6,415 57,649 SH   DFND 1 56,898 269 482
TERRA NITROGEN COMPANY LP COM 881005201 212 1,903 SH   DFND   1,903 0 0
TETRA TECH INC COM 88162G103 16,298 546,538 SH   DFND 1 545,900 0 638
TETRA TECH INC COM 88162G103 112 3,741 SH   DFND   3,741 0 0
TRISTATE CAPITAL HLDGS INC COM 89678F100 315 25,000 SH   DFND 1 25,000 0 0
TRIUMPH GROUP INC COM 896818101 7,831 248,749 SH   DFND 1 247,102 0 1,647
TRIUMPH GROUP INC COM 896818101 61 1,937 SH   DFND   1,937 0 0
VANTIV INC CLASS A 92210H105 10,733 199,200 SH   DFND 1 198,961 0 239
VANTIV INC CLASS A 92210H105 84 1,563 SH   DFND   1,500 63 0
VERIZON COMMUNICATIONS INC COM 92343V104 3,851 71,211 SH   DFND 1 69,280 1,384 547
VERIZON COMMUNICATIONS INC COM 92343V104 804 14,863 SH   DFND   14,863 0 0
WEB COM GROUP INC COM 94733A104 12,955 653,650 SH   DFND 1 652,787 0 863
WEB COM GROUP INC COM 94733A104 97 4,874 SH   DFND   4,624 250 0
WELLS FARGO & CO COM 949746101 1,931 39,931 SH   DFND 1 38,733 818 380
WELLS FARGO & CO COM 949746101 105 2,166 SH   DFND   2,166 0 0
WESTERN DIGITAL CORP COM 958102105 10,893 230,599 SH   DFND 1 228,904 0 1,695
WESTERN DIGITAL CORP COM 958102105 272 5,765 SH   DFND   5,765 0 0
WVS FINANCIAL CORP COM 929358109 187 16,500 SH   DFND 1 16,500 0 0