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 12,743 72,767 SH   DFND 1 71,980 303 484
3M CO COM 88579Y101 266 1,520 SH   DFND   1,520 0 0
ABBOTT LABORATORIES COM 002824100 2,517 64,010 SH   DFND 1 60,851 1,049 2,110
ABBOTT LABORATORIES COM 002824100 182 4,631 SH   DFND   4,631 0 0
ABBVIE INC COM 00287Y109 351 5,668 SH   DFND 1 3,618 0 2,050
ABBVIE INC COM 00287Y109 18 292 SH   DFND   292 0 0
AECOM COM 00766T100 19,708 620,314 SH   DFND 1 619,569 0 745
AECOM COM 00766T100 118 3,702 SH   DFND   3,702 0 0
AGL RESOURCES INC COM 001204106 2,873 43,544 SH   DFND 1 43,544 0 0
AGL RESOURCES INC COM 001204106 20 300 SH   DFND   300 0 0
ALLEGHENY VALLEY BANCORP PA COM 017427105 5,794 144,848 SH   DFND 1 144,848 0 0
AMERICAN EAGLE OUTFITTERS COM 02553E106 11,993 752,826 SH   DFND 1 748,596 0 4,230
AMERICAN EAGLE OUTFITTERS COM 02553E106 178 11,159 SH   DFND   11,159 0 0
AMERISERV FINL INC COM 03074A102 30 10,000 SH   DFND 1 0 0 10,000
AMERISOURCEBERGEN CORP COM 03073E105 10,099 127,318 SH   DFND 1 126,999 0 319
AMERISOURCEBERGEN CORP COM 03073E105 102 1,287 SH   DFND   1,287 0 0
AMTRUST FINANCIAL SERVICES COM 032359309 15,272 623,315 SH   DFND 1 620,356 0 2,959
AMTRUST FINANCIAL SERVICES COM 032359309 96 3,901 SH   DFND   3,901 0 0
AT&T INC COM 00206R102 618 14,305 SH   DFND 1 12,805 0 1,500
AT&T INC COM 00206R102 71 1,650 SH   DFND   1,650 0 0
BERKSHIRE HATHAWAY INC CLASS B 084670702 11,525 79,595 SH   DFND 1 79,344 0 251
BERKSHIRE HATHAWAY INC CLASS B 084670702 141 971 SH   DFND   971 0 0
BLACKHAWK NETWORK HLDGS INC COM 09238E104 11,736 350,448 SH   DFND 1 349,934 0 514
BLACKHAWK NETWORK HLDGS INC COM 09238E104 79 2,345 SH   DFND   2,226 119 0
BOEING CO COM 097023105 39 300 SH   DFND 1 300 0 0
BOEING CO COM 097023105 394 3,036 SH   DFND   3,036 0 0
CB FINANCIAL SERVICES INC COM 12479G101 1,203 56,500 SH   DFND 1 56,500 0 0
CBT FINANCIAL CORP COM 12495U100 1,323 48,452 SH   DFND 1 48,452 0 0
CF INDUSTRIES HOLDINGS INC COM 125269100 9,964 413,422 SH   DFND 1 410,721 0 2,701
CF INDUSTRIES HOLDINGS INC COM 125269100 147 6,090 SH   DFND   6,090 0 0
COACH INC COM 189754104 7,221 177,243 SH   DFND 1 176,574 439 230
COACH INC COM 189754104 199 4,892 SH   DFND   4,892 0 0
COLGATE PALMOLIVE CO COM 194162103 2,678 36,584 SH   DFND 1 35,335 700 549
COLGATE PALMOLIVE CO COM 194162103 191 2,606 SH   DFND   2,606 0 0
CUMMINS INC COM 231021106 8,527 75,840 SH   DFND 1 75,698 0 142
CUMMINS INC COM 231021106 220 1,953 SH   DFND   1,953 0 0
DISNEY WALT CO COM 254687106 202 2,067 SH   DFND 1 1,767 0 300
EMCOR GROUP INC COM 29084Q100 19,136 388,473 SH   DFND 1 386,545 0 1,928
EMCOR GROUP INC COM 29084Q100 115 2,337 SH   DFND   2,337 0 0
EXPRESS SCRIPTS HOLDING CO COM 30219G108 8,264 109,012 SH   DFND 1 108,774 0 238
EXPRESS SCRIPTS HOLDING CO COM 30219G108 92 1,215 SH   DFND   1,215 0 0
EXXON MOBIL CORP COM 30231G102 10,930 116,600 SH   DFND 1 114,842 552 1,206
EXXON MOBIL CORP COM 30231G102 713 7,604 SH   DFND   7,604 0 0
F M C CORP COM 302491303 8,467 182,839 SH   DFND 1 181,257 0 1,582
F M C CORP COM 302491303 95 2,055 SH   DFND   2,055 0 0
F5 NETWORKS INC COM 315616102 16,876 148,248 SH   DFND 1 147,281 0 967
F5 NETWORKS INC COM 315616102 113 991 SH   DFND   991 0 0
FEDERATED INVESTORS INC CLASS B 314211103 8,896 309,119 SH   DFND 1 306,826 672 1,621
FEDERATED INVESTORS INC CLASS B 314211103 183 6,362 SH   DFND   6,362 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 431 46,805 SH   DFND 1 46,805 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 113 12,300 SH   DFND   12,300 0 0
FLEXTRONICS INTL LTD COM Y2573F102 16,697 1,414,933 SH   DFND 1 1,407,581 0 7,352
FLEXTRONICS INTL LTD COM Y2573F102 89 7,527 SH   DFND   7,527 0 0
FMC CORP COM 302491303 2,682 57,917 SH   DFND 1 57,917 0 0
GALLAGHER ARTHUR J & CO COM 363576109 1,609 33,813 SH   DFND 1 33,267 356 190
GALLAGHER ARTHUR J & CO COM 363576109 155 3,249 SH   DFND   3,249 0 0
GAMESTOP CORP CLASS A 36467W109 15,457 581,543 SH   DFND 1 578,243 0 3,300
GAMESTOP CORP CLASS A 36467W109 234 8,822 SH   DFND   8,822 0 0
GENERAL ELECTRIC CO COM 369604103 11,119 353,188 SH   DFND 1 344,094 1,827 7,267
GENERAL ELECTRIC CO COM 369604103 313 9,932 SH   DFND   9,932 0 0
GENERAL MLS INC COM 370334104 175 2,460 SH   DFND 1 2,460 0 0
GENERAL MLS INC COM 370334104 71 1,000 SH   DFND   1,000 0 0
HOLLYFRONTIER CORP COM 436106108 3,433 144,441 SH   DFND 1 143,088 485 868
HOLLYFRONTIER CORP COM 436106108 88 3,708 SH   DFND   3,708 0 0
HURON CONSULTING GROUP INC COM 447462102 10,923 180,793 SH   DFND 1 180,538 0 255
HURON CONSULTING GROUP INC COM 447462102 59 975 SH   DFND   143 832 0
INTEL CORP COM 458140100 9,386 286,148 SH   DFND 1 282,226 1,503 2,419
INTEL CORP COM 458140100 247 7,537 SH   DFND   7,537 0 0
ISHARES TR CORE S&P500 ETF 464287200 325 1,543 SH   DFND 1 1,543 0 0
ISHARES TR CORE S&P500 ETF 464287200 824 3,916 SH   DFND   3,916 0 0
ISHARES TR CORE S&P SCP ETF 464287804 4,778 41,115 SH   DFND 1 40,641 449 25
J2 GLOBAL INC COM 48123V102 12,373 195,856 SH   DFND 1 194,768 0 1,088
J2 GLOBAL INC COM 48123V102 73 1,162 SH   DFND   1,162 0 0
JOHNSON & JOHNSON COM 478160104 339 2,798 SH   DFND 1 2,700 0 98
JOHNSON & JOHNSON COM 478160104 12 100 SH   DFND   100 0 0
JPMORGAN CHASE & CO COM 46625H100 233 3,754 SH   DFND 1 1,154 0 2,600
JPMORGAN CHASE & CO COM 46625H100 1,123 18,079 SH   DFND   279 0 17,800
KIMBERLY CLARK CORP COM 494368103 2,737 19,907 SH   DFND 1 19,412 325 170
KIMBERLY CLARK CORP COM 494368103 114 831 SH   DFND   831 0 0
KIRBY CORP COM 497266106 11,809 189,284 SH   DFND 1 188,068 0 1,216
KIRBY CORP COM 497266106 105 1,679 SH   DFND   1,679 0 0
LIFELOCK INC COM 53224V100 29,754 1,881,942 SH   DFND 1 1,879,279 0 2,663
LIFELOCK INC COM 53224V100 179 11,341 SH   DFND   10,848 493 0
LOWES COS INC COM 548661107 1,110 14,025 SH   DFND 1 14,025 0 0
MARS NATIONAL BANCORP INC COM 571697101 70 185 SH   DFND 1 185 0 0
MASIMO CORP COM 574795100 3,008 57,277 SH   DFND 1 56,705 0 572
MASIMO CORP COM 574795100 10 199 SH   DFND   199 0 0
MERCK & CO INC COM 58933Y105 91 1,577 SH   DFND 1 1,577 0 0
MERCK & CO INC COM 58933Y105 140 2,424 SH   DFND   2,424 0 0
MEREDITH CORP COM 589433101 1,764 33,987 SH   DFND 1 33,570 417 0
MEREDITH CORP COM 589433101 220 4,247 SH   DFND   4,247 0 0
MICROSOFT CORP COM 594918104 10,153 198,420 SH   DFND 1 195,137 992 2,291
MICROSOFT CORP COM 594918104 299 5,851 SH   DFND   5,851 0 0
MOSAIC CO COM 61945C103 7,440 284,208 SH   DFND 1 282,951 0 1,257
MOSAIC CO COM 61945C103 190 7,249 SH   DFND   7,249 0 0
MYRIAD GENETICS INC COM 62855J104 10,224 334,126 SH   DFND 1 332,389 0 1,737
MYRIAD GENETICS INC COM 62855J104 59 1,922 SH   DFND   1,922 0 0
NATIONAL FUEL GAS CO N J COM 636180101 594 10,450 SH   DFND 1 9,850 0 600
NEUSTAR INC CLASS A 64126X201 14,444 614,383 SH   DFND 1 613,674 0 709
NEUSTAR INC CLASS A 64126X201 85 3,612 SH   DFND   3,612 0 0
OCCIDENTAL PETROLEUM CORP COM 674599105 9,089 120,290 SH   DFND 1 119,093 693 504
OCCIDENTAL PETROLEUM CORP COM 674599105 260 3,446 SH   DFND   3,446 0 0
PAREXEL INTERNATIONAL CORP COM 699462107 10,657 169,486 SH   DFND 1 169,279 0 207
PAREXEL INTERNATIONAL CORP COM 699462107 61 974 SH   DFND   974 0 0
PEPSICO INC COM 713448108 9,642 91,015 SH   DFND 1 89,422 437 1,156
PEPSICO INC COM 713448108 248 2,338 SH   DFND   2,338 0 0
PERRIGO CO PLC COM G97822103 876 9,657 SH   DFND 1 9,657 0 0
PERRIGO CO PLC COM G97822103 26 289 SH   DFND   289 0 0
PNC FINL SVCS GROUP INC COM 693475105 99 1,215 SH   DFND 1 515 0 700
PNC FINL SVCS GROUP INC COM 693475105 175 2,156 SH   DFND   2,156 0 0
POLARIS INDUSTRIES INC COM 731068102 11,301 138,220 SH   DFND 1 137,183 205 832
POLARIS INDUSTRIES INC COM 731068102 157 1,922 SH   DFND   1,922 0 0
PPG INDS INC COM 693506107 347 3,330 SH   DFND 1 2,730 0 600
PPG INDS INC COM 693506107 83 800 SH   DFND   800 0 0
PRA GROUP INC COM 69354N106 16,832 697,261 SH   DFND 1 696,309 0 952
PRA GROUP INC COM 69354N106 105 4,370 SH   DFND   547 3,823 0
PROCTER & GAMBLE CO COM 742718109 558 6,589 SH   DFND 1 5,764 0 825
PROCTER & GAMBLE CO COM 742718109 2 28 SH   DFND   28 0 0
ROCHE HOLDINGS LTD SPONS ADR 771195104 2,926 89,005 SH   DFND 1 86,727 1,270 1,008
ROCHE HOLDINGS LTD SPONS ADR 771195104 202 6,155 SH   DFND   6,155 0 0
ROCKWELL AUTOMATION INC COM 773903109 189 1,650 SH   DFND 1 1,650 0 0
ROCKWELL AUTOMATION INC COM 773903109 57 500 SH   DFND   500 0 0
S & T BANCORP INC COM 783859101 27,467 1,123,367 SH   DFND 1 251,795 2,187 869,385
S & T BANCORP INC COM 783859101 6,026 246,472 SH   DFND   23,440 0 223,032
SKYWORKS SOLUTIONS INC COM 83088M102 16,895 266,991 SH   DFND 1 265,968 0 1,023
SKYWORKS SOLUTIONS INC COM 83088M102 121 1,916 SH   DFND   1,916 0 0
SMUCKER J M CO COM 832696405 3,420 22,442 SH   DFND 1 21,826 381 235
SMUCKER J M CO COM 832696405 222 1,458 SH   DFND   1,458 0 0
TECH DATA CORP COM 878237106 10,017 139,407 SH   DFND 1 138,678 0 729
TECH DATA CORP COM 878237106 62 856 SH   DFND   856 0 0
TERRA NITROGEN COMPANY LP COM 881005201 5,942 56,821 SH   DFND 1 56,070 269 482
TERRA NITROGEN COMPANY LP COM 881005201 143 1,364 SH   DFND   1,364 0 0
TETRA TECH INC COM 88162G103 16,304 530,315 SH   DFND 1 529,677 0 638
TETRA TECH INC COM 88162G103 101 3,277 SH   DFND   3,277 0 0
TRISTATE CAPITAL HLDGS INC COM 89678F100 343 25,000 SH   DFND 1 25,000 0 0
TRIUMPH GROUP INC COM 896818101 9,139 257,447 SH   DFND 1 255,771 0 1,676
TRIUMPH GROUP INC COM 896818101 61 1,710 SH   DFND   1,710 0 0
VANTIV INC CLASS A 92210H105 11,014 194,593 SH   DFND 1 194,354 0 239
VANTIV INC CLASS A 92210H105 79 1,402 SH   DFND   1,339 63 0
VERIZON COMMUNICATIONS INC COM 92343V104 3,910 70,029 SH   DFND 1 68,498 984 547
VERIZON COMMUNICATIONS INC COM 92343V104 693 12,407 SH   DFND   12,407 0 0
WEB COM GROUP INC COM 94733A104 12,154 668,529 SH   DFND 1 667,666 0 863
WEB COM GROUP INC COM 94733A104 79 4,353 SH   DFND   4,103 250 0
WELLS FARGO & CO COM 949746101 1,964 41,492 SH   DFND 1 40,274 838 380
WELLS FARGO & CO COM 949746101 67 1,414 SH   DFND   1,414 0 0
WESTERN DIGITAL CORP COM 958102105 19,977 422,719 SH   DFND 1 419,997 0 2,722
WESTERN DIGITAL CORP COM 958102105 338 7,151 SH   DFND   7,151 0 0
WVS FINANCIAL CORP COM 929358109 184 16,500 SH   DFND 1 16,500 0 0