| 2025-03-24 | 8-K | 10.1 | Amendment to NBT Bancorp Inc. Supplemental Executive Retirement Plan Supplemental Retirement Agreement for Scott A. Kingsley, dated March 24, 2025, between NBT Bancorp Inc. and Scott A. Kingsley |
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| 2024-05-22 | 8-K | 10.6 | Amendment to NBT Bancorp Inc. Supplemental Executive Retirement Plan and Supplemental Retirement Agreement for John H. Watt, Jr., dated May 21, 2024, between NBT Bancorp Inc. and John H. Watt, Jr. |
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| 2024-05-22 | 8-K | 10.5 | First Amendment to Split-Dollar Agreement, dated May 21, 2024, by and among NBT Bancorp Inc., NBT Bank, N.A. and John H. Watt, Jr. |
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| 2024-05-22 | 8-K | 10.4 | Employment Agreement, dated May 21, 2024, by and between Joseph R. Stagliano and NBT Bancorp Inc. |
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| 2024-05-22 | 8-K | 10.3 | Employment Agreement, dated May 21, 2024, by and between Annette L. Burns and NBT Bancorp Inc. |
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| 2024-05-22 | 8-K | 10.2 | Supplemental Retirement Agreement, dated May 21, 2024, between NBT Bancorp Inc. and Scott A. Kingsley |
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| 2024-05-22 | 8-K | 10.1 | Employment Agreement, dated May 21, 2024, by and between Scott A. Kingsley and NBT Bancorp Inc. |
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| 2024-05-21 | 8-K | 10.2 | Form of Restricted Stock Unit Award Agreement |
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| 2024-05-21 | 8-K | 10.1 | NBT Bancorp Inc. 2024 Omnibus Incentive Plan |
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| 2024-02-29 | 10-K | 10.18 | Employment Agreement, dated August 11, 2023 by and between NBT Bank, National Association and Richard J. Cantele, Jr.* |
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| 2023-03-01 | 10-K | 10.17 | Employment Agreement, dated May 23, 2022, by and between NBT Bancorp Inc. and M. Randolph Sparks.* |
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| 2023-03-01 | 10-K | 10.16 | Employment Agreement, dated November 1, 2021, by and between NBT Bancorp Inc. and Ruth H. Mahoney.* |
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| 2022-03-01 | 10-K | 10.20 | Acknowledgement of NBT Bancorp Inc. Enhanced Separation Pay Plan, dated May 4, 2021 by and between NBT Bancorp Inc. and Annette L. Burns.* |
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| 2022-03-01 | 10-K | 10.19 | NBT Bancorp Inc. 2015 Enhanced Separation Pay Plan.* |
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| 2022-03-01 | 10-K | 10.18 | Employment Agreement, dated January 1, 2018, by and between NBT Bancorp Inc. and Amy Wiles.* |
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| 2021-08-06 | 10-Q | 10.1 | Employment Agreement, dated August 5, 2021 by and between NBT Bancorp Inc. and Scott A. Kingsley |
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| 2021-05-06 | 10-Q | 10.1 | Compensation arrangement for Interim Chief Financial Officer and Chief Accounting Officer. |
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| 2020-03-02 | 10-K | 10.22 | First Amendment to Transition and Retirement Agreement between NBT Bancorp Inc. and Michael J. Chewens dated November 5, 2019* |
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| 2020-03-02 | 10-K | 10.18 | Employment Agreement, dated December 19, 201”, by and between NBT Banc”rp Inc. and Catherine M. Scarlett* |
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| 2019-12-20 | 8-K | 10.1 | Employment Agreement, dated December 16, 2019, by and between NBT Bancorp Inc. and John V. Moran |
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| 2019-08-08 | 10-Q | 10.1 | Transition and Retirement Agreement between NBT Bancorp Inc. and Michael J. Chewens dated May 2, 2019* |
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| 2018-03-01 | 10-K | 10.20 | EMPLOYMENT AGREEMENT, DATED APRIL 3, 2017, BY AND BETWEEN NBT BANCORP INC. AND SARAH A. HALLIDAY. |
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| 2018-03-01 | 10-K | 10.19 | EMPLOYMENT AGREEMENT, DATED DECEMBER 19, 2016, BY AND BETWEEN NBT BANCORP INC. AND JOSEPH R. STAGLIANO. |
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| 2017-09-29 | 8-K | 10.1 | Form of Amendment to Employment Agreements, dated September 27, 2017 |
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| 2017-05-10 | 10-Q | 10.1 | Split-Dollar Agreement between NBT Bancorp Inc., NBT Bank, National Association and John H. Watt Jr. dated May 9, 2017.* |
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| 2017-03-01 | 10-K | 10.21 | EMPLOYMENT AGREEMENT, DATED DECEMBER 19, 2016, BY AND BETWEEN NBT BANCORP INC. AND F. SHELDON PRENTICE. |
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| 2017-03-01 | 10-K | 10.5 | EXHIBIT 10.5 - 2016 EXECUTIVE INCENTIVE COMPENSATION PLAN |
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| 2016-12-20 | 8-K | 10.4 | Amended and Restated Employment Agreement, dated December 19, 2016, by and between NBT Bancorp Inc. and Timothy L. Brenner. |
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| 2016-12-20 | 8-K | 10.3 | Amended and Restated Employment Agreement, dated December 19, 2016, by and between NBT Bancorp Inc. and Michael J. Chewens. |
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| 2016-12-20 | 8-K | 10.2 | Supplemental Executive Retirement Agreement, dated December 19, 2016, by and between NBT Bancorp Inc. and John H. Watt, Jr. |
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| 2016-12-20 | 8-K | 10.1 | Employment Agreement, dated December 19, 2016, by and between NBT Bancorp Inc., NBT and John H. Watt, Jr. |
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| 2016-02-29 | 10-K | 10.5 | NBT Bancorp Inc. 2016 Executive Incentive Compensation Plan.* |
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| 2015-03-16 | 8-K | 10.8 | Amendment to the Supplemental Executive Retirement Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Jeffrey M. Levy |
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| 2015-03-16 | 8-K | 10.7 | Amendment to the Supplemental Executive Retirement Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and David E. Raven |
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| 2015-03-16 | 8-K | 10.6 | Amendment to the Supplemental Executive Retirement Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Michael J. Chewens |
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| 2015-03-16 | 8-K | 10.5 | Employment Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Timothy L. Brenner |
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| 2015-03-16 | 8-K | 10.4 | Employment Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Jeffrey M. Levy |
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| 2015-03-16 | 8-K | 10.3 | Employment Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and David E. Raven |
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| 2015-03-16 | 8-K | 10.2 | Employment Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Michael J. Chewens |
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| 2015-03-16 | 8-K | 10.1 | Employment Agreement, dated March 10, 2015, by and between NBT Bancorp Inc. and Martin A. Dietrich |
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| 2015-03-02 | 10-K | 10.6 | EXHIBIT 10.6 - 2015 EXECUTIVE INCENTIVE COMPENSATION PLAN |
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| 2014-08-01 | 8-K | 10.1 | Amendment No. 2 to Split-Dollar Agreement, dated as of July 28, 2014 |
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| 2014-03-03 | 10-K | 10.30 | Split Dollar Agreement between the Alliance Bank N.A. and Jack H. Webb.* |
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| 2014-03-03 | 10-K | 10.29 | Amended and Restated Supplemental Retirement Agreement and First Amendment to the Supplemental Retirement Agreement between Alliance Financial Corporation, Alliance Bank, N.A. and Jack H. Webb.* |
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| 2014-03-03 | 10-K | 10.23 | Description of Arrangement for Directors Fees.* |
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| 2014-03-03 | 10-K | 10.14 | Form of First Amendment to the Form of Change in Control Agreement for Messrs. Dietrich, Chewens, Levy and Raven.* |
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| 2014-03-03 | 10-K | 10.6 | NBT Bancorp Inc. 2014 Executive Incentive Compensation Plan.* |
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| 2013-03-01 | 10-K | 10.28 | Employment Agreement dated October 7, 2012 between NBT Bancorp, Inc. and Jack H. Webb.* |
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| 2013-03-01 | 10-K | 10.21 | Description of Arrangement for Directors Fees.* |
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| 2013-03-01 | 10-K | 10.6 | NBT Bancorp Inc. 2012 Executive Incentive Compensation Plan.* |
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| 2013-01-29 | 8-K | 10.2 | FORM OF AMENDMENT TO TWO-YEAR CHANGE IN CONTROL AGREEMENT |
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| 2013-01-29 | 8-K | 10.1 | FORM OF AMENDMENT TO THREE-YEAR CHANGE IN CONTROL AGREEMENT |
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| 2012-10-12 | 8-K | 10.1 | Consulting Agreement, dated October 7, 2012, by and between NBT Bancorp Inc. and Joseph G. Nasser. |
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| 2012-05-10 | 10-Q | 10.1 | Split-Dollar Agreement dated May 9, 2011. |
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| 2012-02-29 | 10-K | 10.24 | Long Term Incentive Compensation Plan for Named Executive officers.* |
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| 2012-02-29 | 10-K | 10.21 | Description of Arrangement for Directors Fees.* |
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| 2012-02-29 | 10-K | 10.6 | NBT Bancorp Inc. 2012 Executive Incentive Compensation Plan.* |
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| 2011-07-13 | 8-K | 10.1 | Purchase and Assumption Agreement dated as of July 13, 2011 by and among Legacy Banks, NBT Bank, N.A. and Berkshire Hills Bancorp, Inc., solely with respect to Section 7.10 |
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| 2011-03-01 | 10-K | 10.23 | Description of Arrangement for Directors Fees.* |
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| 2011-03-01 | 10-K | 10.7 | NBT Bancorp Inc. 2011 Executive Incentive Compensation Plan.* |
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| 2010-05-10 | 10-Q | 10.2 | Change in Control Agreement, dated May 7, 2010, by and between Sheldon Prentice and NBT Bancorp Inc. |
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| 2010-05-10 | 10-Q | 10.1 | Employment Agreement, dated May 7, 2010, by and between Sheldon Prentice and NBT Bancorp Inc. |
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| 2010-03-01 | 10-K | 10.23 | Description of Arrangement for Directors Fees.* |
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| 2010-03-01 | 10-K | 10.14 | Supplemental Executive Retirement Agreement between NBT Bancorp Inc. and Martin A. Dietrich as amended and restated January 20, 2010. |
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| 2010-03-01 | 10-K | 10.7 | NBT Bancorp Inc. 2010 Executive Incentive Compensation Plan.* |
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| 2009-11-09 | 10-Q | 10.7 | Form of Amended and Restated NBT |
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| 2009-11-09 | 10-Q | 10.6 | First Amendment to Split-Dollar |
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| 2009-11-09 | 10-Q | 10.5 | Form of Change in Control Agreement, |
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| 2009-11-09 | 10-Q | 10.4 | Employment Agreement, dated November 5, 2009, by and between Jeffrey M. Levy and NBT Bancorp Inc. |
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| 2009-11-09 | 10-Q | 10.3 | Employment Agreement, dated November 5, 2009, by and between David E. Raven and NBT Bancorp Inc. |
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| 2009-11-09 | 10-Q | 10.2 | Employment Agreement, dated November 5, 2009, by and between Michael J. Chewens and NBT Bancorp Inc. |
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| 2009-11-09 | 10-Q | 10.1 | Employment Agreement, dated November 5, 2009, by and between Martin A. Dietrich and NBT Bancorp Inc. |
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| 2009-03-02 | 10-K | 10.34 | Third Amendment to the Supplemental Executive Retirement Agreement between NBT Bancorp, Inc. and Martin A. Dietrich effective January 20, 2006. |
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| 2009-03-02 | 10-K | 10.33 | Description of Arrangement for Directors Fees. |
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| 2009-03-02 | 10-K | 10.30 | Amendment dated November 13, 2008 to Form of Employment Agreement as amended between NBT Bancorp Inc. and David E. Raven restated January 1, 2005 (filed as Exhibit 10.21 to Registrant’s Form 10-K for the year ended December 31, 2005, filed on March 15, 2006 and incorporated herein by reference) and Change in Control Agreement with David E. Raven as amended and restated July 23, 2001 (filed as Exhibit 10.7 to Registrant's Form 10-Q for the quarterly period ended September 30, 2001, filed on November 14, 2001 and incorporated herein by reference). |
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| 2009-03-02 | 10-K | 10.29 | Amendment dated November 13, 2008 to Form of Employment Agreement as amended between NBT Bancorp Inc. and Martin A. Dietrich restated January 1, 2006 (filed as Exhibit 10.1 to Registrant’s Form 10-Q for the quarterly period ended March 31, 2006, filed on May 9, 2006 and incorporated herein by reference) and Change in Control Agreement with Martin A. Dietrich as amended and restated July 23, 2001 (filed as Exhibit 10.3 to Registrant's Form 10-Q for the quarterly period ended September 30, 2001, filed on November 14, 2001 and incorporated herein by reference). |
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| 2009-03-02 | 10-K | 10.28 | Amendment dated November 13, 2008 to Form of Employment Agreement as amended between NBT Bancorp Inc. and Michael J. Chewens restated January 1, 2005 (filed as Exhibit 10.18 to Registrant’s Form 10-K for the year ended December 31, 2005, filed on March 15, 2006 and incorporated herein by reference) and Change in Control Agreement with Michael J. Chewens as amended and restated July 23, 2001 (filed as Exhibit 10.1 to Registrant's Form 10-Q for the quarterly period ended September 30, 2001, filed on November 14, 2001 and incorporated herein by reference). |
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| 2009-03-02 | 10-K | 10.27 | First Amendment to the Supplemental Executive Retirement Agreement between NBT Bancorp Inc. and David E. Raven effective January 1, 2005. |
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| 2009-03-02 | 10-K | 10.26 | Second Amendment to the Supplemental Executive Retirement Agreement between NBT Bancorp Inc. and Martin A. Dietrich effective January 1, 2005. |
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| 2009-03-02 | 10-K | 10.25 | First Amendment to the Supplemental Executive Retirement Agreement between NBT Bancorp Inc. and Michael J. Chewens effective January 1, 2005. |
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| 2009-03-02 | 10-K | 10.21 | Change in control agreement with David E. Raven as amended and restated July 23, 2001. |
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| 2009-03-02 | 10-K | 10.19 | Change in control agreement with Michael J. Chewens as amended and restated July 23, 2001. |
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| 2009-03-02 | 10-K | 10.18 | Supplemental Executive Retirement Agreement between NBT Bancorp Inc. and Michael J. Chewens made as of July 23, 2001. |
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| 2009-03-02 | 10-K | 10.16 | Change in control agreement with Martin A. Dietrich as amended and restated July 23, 2001. |
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| 2009-03-02 | 10-K | 10.12 | Amendment dated January 28, 2002 to Death Benefits Agreement between NBT Bancorp Inc., NBT Bank, National Association and Daryl R. Forsythe made August 22, 1995. |
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| 2009-03-02 | 10-K | 10.8 | CNB Bancorp, Inc. Long-Term Incentive Compensation Plan. |
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| 2009-03-02 | 10-K | 10.7 | NBT Bancorp Inc. 2009 Executive Incentive Compensation Plan. |
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| 2009-03-02 | 10-K | 10.6 | NBT Bancorp Inc. Performance Share Plan. |
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| 2009-03-02 | 10-K | 10.5 | NBT Bancorp Inc. Non-employee Directors Restricted and Deferred Stock Plan. |
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| 2009-03-02 | 10-K | 10.4 | NBT Bancorp Inc. Employee Stock Purchase Plan. |
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| 2009-03-02 | 10-K | 10.3 | CNB Bancorp, Inc. Stock Option Plan. |
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