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
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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 563 3,154 SH   DFND 1 3,154 0 0
Abbott Labs COM 002824100 951 24,763 SH   DFND 1 24,763 0 0
Accenture PLC SHS CLASS A G1151C101 706 6,026 SH   DFND 1 6,026 0 0
Activision Blizzard Inc Common COM 00507V109 1,082 29,976 SH   DFND 1 29,976 0 0
Allergan PLC SHS G0177J108 1,734 8,257 SH   DFND 1 8,257 0 0
Alliance Data Systems Corp COM 018581108 1,154 5,050 SH   DFND 1 5,050 0 0
Allstate Corp COM 020002101 1,400 18,893 SH   DFND 1 18,893 0 0
Alphabet Inc Class C CAP STK CL C 02079K107 3,553 4,604 SH   DFND 1 4,604 0 0
Altria Group Inc COM 02209S103 498 7,361 SH   DFND 1 7,361 0 0
American Tower REIT Inc COM 03027X100 1,377 13,027 SH   DFND 1 13,027 0 0
Apple Computer Inc COM 037833100 3,109 26,843 SH   DFND 1 26,843 0 0
AT&T Inc COM 00206R102 751 17,658 SH   DFND 1 17,658 0 0
Automatic Data Processing COM 053015103 685 6,663 SH   DFND 1 6,663 0 0
Baker Hughes Inc COM 057224107 240 3,689 SH   DFND 1 3,689 0 0
Bard C R Inc COM 067383109 1,909 8,496 SH   DFND 1 8,496 0 0
Baxter Intl Inc COM 071813109 868 19,587 SH   DFND 1 19,587 0 0
Biogen Idec Inc COM 09062X103 1,580 5,570 SH   DFND 1 5,570 0 0
Blackrock, Inc. COM 09247X101 437 1,148 SH   DFND 1 1,148 0 0
Cardinal Health Inc COM 14149Y108 383 5,320 SH   DFND 1 5,320 0 0
Celgene Corporation COM 151020104 1,473 12,724 SH   DFND 1 12,724 0 0
Charles Schwab Corp COM 808513105 1,691 42,854 SH   DFND 1 42,854 0 0
Chevron Corp COM 166764100 1,798 15,278 SH   DFND 1 15,278 0 0
Cisco Systems Inc COM 17275R102 809 26,776 SH   DFND 1 26,776 0 0
Citigroup Inc Common New COM NEW 172967424 1,754 29,513 SH   DFND 1 29,513 0 0
Citizens & Northern Corp COM 172922106 6,891 262,996 SH   DFND 1 262,996 0 0
CME Group Inc COM 12572Q105 642 5,565 SH   DFND 1 5,565 0 0
Coca Cola Co COM 191216100 1,278 30,824 SH   DFND 1 30,824 0 0
Colgate Palmolive Co COM 194162103 294 4,491 SH   DFND 1 4,491 0 0
Community Bank System, Inc COM 203607106 322 5,216 SH   DFND 1 5,216 0 0
Corning Inc COM 219350105 885 36,447 SH   DFND 1 36,447 0 0
Costco Wholesale Corp (New) COM 22160K105 889 5,550 SH   DFND 1 5,550 0 0
CVS Health Corporation COM 126650100 1,898 24,049 SH   DFND 1 24,049 0 0
Danaher Corp COM 235851102 624 8,019 SH   DFND 1 8,019 0 0
Darden Restaurants Inc COM 237194105 329 4,521 SH   DFND 1 4,521 0 0
Dicks Sporting Goods Inc COM 253393102 1,575 29,653 SH   DFND 1 29,653 0 0
Disney Walt Co COM DISNEY 254687106 2,169 20,814 SH   DFND 1 20,814 0 0
Duke Energy Corporation New COM NEW 26441C204 618 7,967 SH   DFND 1 7,967 0 0
Ecolab Inc. COM 278865100 392 3,348 SH   DFND 1 3,348 0 0
EOG Resources, Inc. COM 26875P101 1,294 12,795 SH   DFND 1 12,795 0 0
Expeditors Intl Wash Inc COM 302130109 351 6,627 SH   DFND 1 6,627 0 0
Express Scripts Holding Co. COM 30219G108 1,334 19,395 SH   DFND 1 19,395 0 0
Exxon Mobil Corp COM 30231G102 3,120 34,570 SH   DFND 1 34,570 0 0
FNB Corporation COM 302520101 655 40,875 SH   DFND 1 40,875 0 0
Fortive Corp Common COM 34959J108 482 8,990 SH   DFND 1 8,990 0 0
General Dynamics Corp COM 369550108 628 3,638 SH   DFND 1 3,638 0 0
General Elec Co COM 369604103 3,027 95,806 SH   DFND 1 95,806 0 0
Gilead Sciences Inc COM 375558103 1,126 15,726 SH   DFND 1 15,726 0 0
Home Depot Inc COM 437076102 2,541 18,952 SH   DFND 1 18,952 0 0
Intel Corp COM 458140100 735 20,259 SH   DFND 1 20,259 0 0
Intercontinental Exchange Inc Common COM 45866F104 2,033 36,025 SH   DFND 1 36,025 0 0
International Business Machines COM 459200101 672 4,049 SH   DFND 1 4,049 0 0
iShares Core S&P 500 ETF CORE S&P500 ETF 464287200 1,172 5,211 SH   DFND 1 5,211 0 0
iShares Dow Jones US Real Estate U.S. REAL ES ETF 464287739 2,466 32,057 SH   DFND 1 32,057 0 0
iShares MSCI ACWI Ex US ETF MSCI ACWI EX US 464288240 471 11,692 SH   DFND 1 11,692 0 0
iShares S&P MidCap 400 Index Fd CORE S&P MCP ETF 464287507 9,838 59,504 SH   DFND 1 59,504 0 0
Johnson & Johnson COM 478160104 1,232 10,691 SH   DFND 1 10,691 0 0
JPMorgan Chase & Co COM 46625H100 4,255 49,308 SH   DFND 1 49,308 0 0
Kohls Corp COM 500255104 1,490 30,170 SH   DFND 1 30,170 0 0
Masco Corp COM 574599106 1,116 35,308 SH   DFND 1 35,308 0 0
McDonalds Corp COM 580135101 1,574 12,930 SH   DFND 1 12,930 0 0
Merck & Co Inc New COM 58933Y105 338 5,738 SH   DFND 1 5,738 0 0
Microchip Technology Inc COM 595017104 696 10,855 SH   DFND 1 10,855 0 0
Microsoft Corp COM 594918104 1,471 23,665 SH   DFND 1 23,665 0 0
Mondelez Intl Inc Class A CL A 609207105 1,745 39,353 SH   DFND 1 39,353 0 0
Nike, Inc. Class B CL B 654106103 2,092 41,154 SH   DFND 1 41,154 0 0
Norfolk Southern Corp COM 655844108 956 8,849 SH   DFND 1 8,849 0 0
Nucor Corp COM 670346105 1,038 17,432 SH   DFND 1 17,432 0 0
NXP Semiconductors N.V. COM N6596X109 1,004 10,241 SH   DFND 1 10,241 0 0
Oracle Corp COM 68389X105 1,601 41,637 SH   DFND 1 41,637 0 0
Pepsico Inc COM 713448108 845 8,079 SH   DFND 1 8,079 0 0
Pfizer Inc COM 717081103 1,899 58,466 SH   DFND 1 58,466 0 0
Phillip Morris International Inc COM 718172109 422 4,608 SH   DFND 1 4,608 0 0
Procter & Gamble Co COM 742718109 3,044 36,204 SH   DFND 1 36,204 0 0
Qualcomm Inc COM 747525103 1,526 23,406 SH   DFND 1 23,406 0 0
Red Hat, Inc COM 756577102 1,024 14,688 SH   DFND 1 14,688 0 0
Salesforce.Com COM 79466L302 1,340 19,578 SH   DFND 1 19,578 0 0
Schlumberger Ltd COM 806857108 1,730 20,613 SH   DFND 1 20,613 0 0
SEI Investment Company COM 784117103 218 4,421 SH   DFND 1 4,421 0 0
Shire PLC Sponsored ADR SPONSORED ADR 82481R106 1,421 8,343 SH   DFND 1 8,343 0 0
Starbucks Corp COM 855244109 1,564 28,173 SH   DFND 1 28,173 0 0
Stryker Corp COM 863667101 402 3,353 SH   DFND 1 3,353 0 0
SYSCO Corp COM 871829107 467 8,442 SH   DFND 1 8,442 0 0
T. Rowe Price Group, Inc. COM 74144T108 236 3,133 SH   DFND 1 3,133 0 0
Target Corp COM 87612E106 379 5,254 SH   DFND 1 5,254 0 0
Tjx Companies (New) COM 872540109 477 6,355 SH   DFND 1 6,355 0 0
Trevena Inc. COM 89532E109 171 29,000 SH   DFND 1 29,000 0 0
Twenty-First Century Fox Inc Class A CL A 90130A101 1,653 58,937 SH   DFND 1 58,937 0 0
Twitter Inc Common COM 90184L102 421 25,856 SH   DFND 1 25,856 0 0
Union Pacific Corp COM 907818108 677 6,532 SH   DFND 1 6,532 0 0
United Parcel Service Inc. Class B CL B 911312106 474 4,132 SH   DFND 1 4,132 0 0
Unitedhealth Group, Inc. COM 91324P102 427 2,670 SH   DFND 1 2,670 0 0
Utilities Select Sector SPDR SBI INT-UTILS 81369Y886 282 5,801 SH   DFND 1 5,801 0 0
Vanguard FTSE All-World Ex-US Small Cap Index FTSE SMCAP ETF 922042718 1,118 11,892 SH   DFND 1 11,892 0 0
Vanguard FTSE Emerging Markets ETF FTSE EMR MKT ETF 922042858 775 21,668 SH   DFND 1 21,668 0 0
Verizon Communications COM 92343V104 675 12,649 SH   DFND 1 12,649 0 0
W W Grainger Inc COM 384802104 735 3,165 SH   DFND 1 3,165 0 0
Wal-Mart Stores Inc COM 931142103 217 3,135 SH   DFND 1 3,135 0 0
Walgreens Boots Alliance Inc COM 931427108 490 5,923 SH   DFND 1 5,923 0 0
Wells Fargo & Co New COM 949746101 3,891 70,606 SH   DFND 1 70,606 0 0
Zimmer Biomet Holdings, Inc. COM 98956P102 1,456 14,105 SH   DFND 1 14,105 0 0