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
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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 Company COM 88579Y101 556 3,154 SH   DFND 1 3,154 0 0
Abbott Labs COM 002824100 439 10,383 SH   DFND 1 10,383 0 0
Accenture PLC SHS CLASS A G1151C101 784 6,420 SH   DFND 1 6,420 0 0
Activision Blizzard Inc Common COM 00507V109 1,336 30,167 SH   DFND 1 30,167 0 0
Allergan PLC SHS G0177J108 1,793 7,785 SH   DFND 1 7,785 0 0
Alliance Data Systems Corp COM 018581108 1,104 5,147 SH   DFND 1 5,147 0 0
Allstate Corp COM 020002101 1,071 15,482 SH   DFND 1 15,482 0 0
Alphabet Inc Class C CAP STK CL C 02079K107 3,574 4,598 SH   DFND 1 4,598 0 0
Altria Group Inc COM 02209S103 490 7,749 SH   DFND 1 7,749 0 0
American Tower REIT Inc COM 03027X100 1,444 12,743 SH   DFND 1 12,743 0 0
Apple Computer Inc COM 037833100 3,090 27,336 SH   DFND 1 27,336 0 0
AT&T Inc COM 00206R102 709 17,466 SH   DFND 1 17,466 0 0
Automatic Data Processing COM 053015103 609 6,901 SH   DFND 1 6,901 0 0
Bard C R Inc COM 067383109 1,920 8,559 SH   DFND 1 8,559 0 0
Baxter Intl Inc COM 071813109 1,256 26,386 SH   DFND 1 26,386 0 0
Biogen Idec Inc COM 09062X103 1,710 5,463 SH   DFND 1 5,463 0 0
Blackrock, Inc. COM 09247X101 473 1,304 SH   DFND 1 1,304 0 0
Cardinal Health Inc COM 14149Y108 413 5,320 SH   DFND 1 5,320 0 0
Celgene Corporation COM 151020104 1,080 10,329 SH   DFND 1 10,329 0 0
Charles Schwab Corp COM 808513105 1,383 43,792 SH   DFND 1 43,792 0 0
Chevron Corp COM 166764100 1,627 15,808 SH   DFND 1 15,808 0 0
Cisco Systems Inc COM 17275R102 857 27,007 SH   DFND 1 27,007 0 0
Citigroup Inc Common New COM NEW 172967424 1,482 31,369 SH   DFND 1 31,369 0 0
Citizens & Northern Corp COM 172922106 5,554 252,790 SH   DFND 1 252,790 0 0
CME Group Inc COM 12572Q105 588 5,624 SH   DFND 1 5,624 0 0
Coca Cola Co COM 191216100 1,256 29,690 SH   DFND 1 29,690 0 0
Colgate Palmolive Co COM 194162103 363 4,891 SH   DFND 1 4,891 0 0
Community Bank System, Inc COM 203607106 251 5,216 SH   DFND 1 5,216 0 0
Corning Inc COM 219350105 872 36,853 SH   DFND 1 36,853 0 0
Costco Wholesale Corp (New) COM 22160K105 824 5,403 SH   DFND 1 5,403 0 0
CVS Health Corporation COM 126650100 2,133 23,971 SH   DFND 1 23,971 0 0
Danaher Corp COM 235851102 1,523 19,432 SH   DFND 1 19,432 0 0
Darden Restaurants Inc COM 237194105 327 5,331 SH   DFND 1 5,331 0 0
Dicks Sporting Goods Inc COM 253393102 1,646 29,015 SH   DFND 1 29,015 0 0
Disney Walt Co COM DISNEY 254687106 1,847 19,889 SH   DFND 1 19,889 0 0
Duke Energy Corporation New COM NEW 26441C204 625 7,813 SH   DFND 1 7,813 0 0
Eaton Corp SHS G29183103 634 9,647 SH   DFND 1 9,647 0 0
Ecolab Inc. COM 278865100 414 3,405 SH   DFND 1 3,405 0 0
EOG Resources, Inc. COM 26875P101 1,274 13,173 SH   DFND 1 13,173 0 0
Expeditors Intl Wash Inc COM 302130109 364 7,069 SH   DFND 1 7,069 0 0
Express Scripts Holding Co. COM 30219G108 1,499 21,260 SH   DFND 1 21,260 0 0
Exxon Mobil Corp COM 30231G102 3,178 36,413 SH   DFND 1 36,413 0 0
FNB Corporation COM 302520101 503 40,879 SH   DFND 1 40,879 0 0
Fortive Corp Common COM 34959J108 464 9,110 SH   DFND 1 9,110 0 0
General Dynamics Corp COM 369550108 558 3,597 SH   DFND 1 3,597 0 0
General Elec Co COM 369604103 2,873 97,011 SH   DFND 1 97,011 0 0
Gilead Sciences Inc COM 375558103 1,208 15,262 SH   DFND 1 15,262 0 0
Home Depot Inc COM 437076102 2,744 21,327 SH   DFND 1 21,327 0 0
Intel Corp COM 458140100 787 20,850 SH   DFND 1 20,850 0 0
Intercontinental Exchange Inc Common COM 45866F104 1,946 7,225 SH   DFND 1 7,225 0 0
International Business Machines COM 459200101 614 3,866 SH   DFND 1 3,866 0 0
iShares Core S&P 500 ETF CORE S&P500 ETF 464287200 1,148 5,277 SH   DFND 1 5,277 0 0
iShares MSCI ACWI Ex US ETF MSCI ACWI EX US 464288240 480 11,570 SH   DFND 1 11,570 0 0
iShares S&P MidCap 400 Index Fd CORE S&P MCP ETF 464287507 9,549 61,725 SH   DFND 1 61,725 0 0
Johnson & Johnson COM 478160104 1,274 10,783 SH   DFND 1 10,783 0 0
JPMorgan Chase & Co COM 46625H100 3,415 51,289 SH   DFND 1 51,289 0 0
Kohls Corp COM 500255104 1,330 30,406 SH   DFND 1 30,406 0 0
Masco Corp COM 574599106 1,016 29,599 SH   DFND 1 29,599 0 0
McDonalds Corp COM 580135101 1,516 13,144 SH   DFND 1 13,144 0 0
Merck & Co Inc New COM 58933Y105 376 6,026 SH   DFND 1 6,026 0 0
Microchip Technology Inc COM 595017104 681 10,953 SH   DFND 1 10,953 0 0
Microsoft Corp COM 594918104 1,336 23,196 SH   DFND 1 23,196 0 0
Mondelez Intl Inc Class A CL A 609207105 1,755 39,987 SH   DFND 1 39,987 0 0
Nike, Inc. Class B CL B 654106103 1,624 30,839 SH   DFND 1 30,839 0 0
Norfolk Southern Corp COM 655844108 893 9,200 SH   DFND 1 9,200 0 0
Nucor Corp COM 670346105 1,195 24,161 SH   DFND 1 24,161 0 0
NXP Semiconductors N.V. COM N6596X109 1,080 10,585 SH   DFND 1 10,585 0 0
Oracle Corp COM 68389X105 1,666 42,411 SH   DFND 1 42,411 0 0
Pepsico Inc COM 713448108 910 8,368 SH   DFND 1 8,368 0 0
Pfizer Inc COM 717081103 1,992 58,821 SH   DFND 1 58,821 0 0
Phillip Morris International Inc COM 718172109 458 4,716 SH   DFND 1 4,716 0 0
Procter & Gamble Co COM 742718109 3,245 36,161 SH   DFND 1 36,161 0 0
Qualcomm Inc COM 747525103 1,699 24,801 SH   DFND 1 24,801 0 0
Rackspace Hosting Inc Common RACKSPACE HOSTING INC COM 750086100 851 26,860 SH   DFND 1 26,860 0 0
Red Hat, Inc COM 756577102 944 11,679 SH   DFND 1 11,679 0 0
Salesforce.Com COM 79466L302 1,416 19,852 SH   DFND 1 19,852 0 0
Schlumberger Ltd COM 806857108 1,690 21,485 SH   DFND 1 21,485 0 0
SEI Investment Company COM 784117103 208 4,554 SH   DFND 1 4,554 0 0
Shire PLC Sponsored ADR SPONSORED ADR 82481R106 1,331 6,868 SH   DFND 1 6,868 0 0
Starbucks Corp COM 855244109 1,555 28,714 SH   DFND 1 28,714 0 0
Stryker Corp COM 863667101 390 3,353 SH   DFND 1 3,353 0 0
SYSCO Corp COM 871829107 418 8,532 SH   DFND 1 8,532 0 0
T. Rowe Price Group, Inc. COM 74144T108 246 3,693 SH   DFND 1 3,693 0 0
Target Corp COM 87612E106 399 5,804 SH   DFND 1 5,804 0 0
Tjx Companies (New) COM 872540109 480 6,424 SH   DFND 1 6,424 0 0
Trevena Inc. COM 89532E109 196 29,000 SH   DFND 1 29,000 0 0
Twenty-First Century Fox Inc Class A CL A 90130A101 1,427 58,936 SH   DFND 1 58,936 0 0
Twitter Inc Common COM 90184L102 619 26,860 SH   DFND 1 26,860 0 0
Union Pacific Corp COM 907818108 637 6,532 SH   DFND 1 6,532 0 0
United Parcel Service Inc. Class B CL B 911312106 459 4,193 SH   DFND 1 4,193 0 0
Unitedhealth Group, Inc. COM 91324P102 374 2,670 SH   DFND 1 2,670 0 0
Utilities Select Sector SPDR SBI INT-UTILS 81369Y886 330 6,730 SH   DFND 1 6,730 0 0
Vanguard FTSE All-World Ex-US Small Cap Index FTSE SMCAP ETF 922042718 1,156 11,612 SH   DFND 1 11,612 0 0
Vanguard FTSE Emerging Markets ETF FTSE EMR MKT ETF 922042858 858 22,788 SH   DFND 1 22,788 0 0
Verizon Communications COM 92343V104 568 10,931 SH   DFND 1 10,931 0 0
W W Grainger Inc COM 384802104 249 1,108 SH   DFND 1 1,108 0 0
Wal-Mart Stores Inc COM 931142103 237 3,283 SH   DFND 1 3,283 0 0
Walgreens Boots Alliance Inc COM 931427108 507 6,283 SH   DFND 1 6,283 0 0
Wells Fargo & Co New COM 949746101 3,182 71,858 SH   DFND 1 71,858 0 0
YUM Brands Inc COM 988498101 292 3,218 SH   DFND 1 3,218 0 0
Zimmer Biomet Holdings, Inc. COM 98956P102 1,853 14,252 SH   DFND 1 14,252 0 0