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Mahoney Ruth H

Disclosed activity across 1 company

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27894
SEC CIK
0001881927

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
NBT BANCORP INCNBTB · Entity 4320EVP/President of Wealth MgmtJuly 29, 2026July 30, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

NBT BANCORP INC

Report date July 29, 2026 · Filed July 30, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
NBT Bancorp Inc. Common StockSEC Table I · non-derivativeDirect11,927.542 Reported balance After 2026-07-29 transaction · row 1
1 source row

Row 1 · 2026-07-29 · Sale · Disposed 4,500 · Balance 11,927.542

NBT Bancorp Inc. Common StockSEC Table I · non-derivativeIndirect401k4,720.689 Reported balance Holding disclosure · report date 2026-07-29 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 4,720.689

Phantom StockSEC Table II · derivative / convertible securityDirect10,249.198 Reported balance Holding disclosure · report date 2026-07-29 · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · Balance 10,249.198

F1: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Filing footnotes · ownership attribution and instrument terms

F1: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 29, 2026 Filed Jul 30, 2026 18:45 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 4,500 $54.30 $244,350.00
Disclosure

SEC source: 0000790359-26-000060 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,927.542

Read SEC document
June 05, 2026 Filed Jun 8, 2026 12:41 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 5,000 $46.60 $233,000.00
Disclosure

SEC source: 0000790359-26-000055 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,427.542

Read SEC document
March 23, 2026 Filed Mar 26, 2026 00:31 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,507 $0.00 $0.00
Disclosure

SEC source: 0001140361-26-011207 · form4.xml · nonDerivative · entry 5

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,427.542

F2 · shares: Earned restricted stock unit vested following the end of a three-year performance period.

Read SEC document
March 23, 2026 Filed Mar 26, 2026 00:31 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 689 $41.99 $28,931.11
Disclosure

SEC source: 0001140361-26-011207 · form4.xml · nonDerivative · entry 4

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,920.542

Read SEC document
March 23, 2026 Filed Mar 26, 2026 00:31 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 215 $41.99 $9,027.85
Disclosure

SEC source: 0001140361-26-011207 · form4.xml · nonDerivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,609.542

Read SEC document
March 23, 2026 Filed Mar 26, 2026 00:31 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,961 $0.00 $0.00
Disclosure

SEC source: 0001140361-26-011207 · form4.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,824.542

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.

Read SEC document
January 15, 2026 Filed Jan 16, 2026 20:51 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 243 $43.71 $10,621.53
Disclosure

SEC source: 0000790359-26-000005 · edgardoc.xml · nonDerivative · entry 4

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,661.142

Read SEC document
January 15, 2026 Filed Jan 16, 2026 20:51 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 244 $43.71 $10,665.24
Disclosure

SEC source: 0000790359-26-000005 · edgardoc.xml · nonDerivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,904.142

Read SEC document
January 15, 2026 Filed Jan 16, 2026 20:51 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 228 $43.71 $9,965.88
Disclosure

SEC source: 0000790359-26-000005 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,148.142

Read SEC document
January 15, 2026 Filed Jan 16, 2026 20:51 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 227 $43.71 $9,922.17
Disclosure

SEC source: 0000790359-26-000005 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,376.142

Read SEC document
December 31, 2025 Filed Feb 13, 2026 18:13 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 961.37 $0.00 $0.00
Disclosure

SEC source: 0000790359-26-000018 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,249.198

Underlying: NBT Bancorp Inc. Common Stock · 961.37 shares

Expires not disclosed

F3 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F4 · shares: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2025 to 12/31/2025 through a NBT Bancorp Inc. deferred compensation plan.

F3 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F3 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
December 31, 2025 Filed Feb 13, 2026 18:13 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 1,225.126 $0.00 $0.00
Disclosure

SEC source: 0000790359-26-000018 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Indirect · 401k

Disclosed balance after: 4,720.689

F2 · price: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2025 to 12/31/2025 through NBT Bancorp Inc. 401k Plan.

Read SEC document
December 31, 2025 Filed Feb 13, 2026 18:13 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 202.4 $0.00 $0.00
Disclosure

SEC source: 0000790359-26-000018 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,805.542

F1 · price: Shares were purchased through a Dividend Reinvestment Plan from 1/1/2025 to 12/31/2025.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 13:42 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 758 $42.13 $31,934.54
Disclosure

SEC source: 0001690001-25-000048 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,603.142

Read SEC document
March 24, 2025 Filed Mar 26, 2025 21:24 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,753 $0.00 $0.00
Disclosure

SEC source: 0002056264-25-000006 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,361.142

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.

Read SEC document
February 21, 2025 Filed Feb 25, 2025 17:53 UTC NBT BANCORP INC NBTB · Entity 4320 GrantPhantom Stock · Derivative 1,361.34 $46.87 $63,806.01
Disclosure

SEC source: 0001690001-25-000025 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,287.828

Underlying: NBT Bancorp Inc. Common Stock · 1,361.34 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
January 15, 2025 Filed Jan 16, 2025 20:20 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 213 $47.62 $10,143.06
Disclosure

SEC source: 0001690001-25-000005 · edgardoc.xml · nonDerivative · entry 4

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,546

Read SEC document
January 15, 2025 Filed Jan 16, 2025 20:20 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 1,306 $47.62 $62,191.72
Disclosure

SEC source: 0001690001-25-000005 · edgardoc.xml · nonDerivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,759

Read SEC document
January 15, 2025 Filed Jan 16, 2025 20:20 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 243 $47.62 $11,571.66
Disclosure

SEC source: 0001690001-25-000005 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,065

Read SEC document
January 15, 2025 Filed Jan 16, 2025 20:20 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 198 $47.62 $9,428.76
Disclosure

SEC source: 0001690001-25-000005 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,308

Read SEC document
December 31, 2024 Filed Feb 14, 2025 15:36 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 253.264 $0.00 $0.00
Disclosure

SEC source: 0001690001-25-000020 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,926.488

Underlying: NBT Bancorp Inc. Common Stock · 253.264 shares

Expires not disclosed

F3 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F4 · shares: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2024 to 12/31/2024 through a NBT Bancorp Inc. deferred compensation plan.

F3 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F3 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
December 31, 2024 Filed Feb 14, 2025 15:36 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 1,141.298 $0.00 $0.00
Disclosure

SEC source: 0001690001-25-000020 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Indirect · 401k

Disclosed balance after: 3,495.563

F2 · price: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2024 to 12/31/2024 through NBT Bancorp Inc. 401k Plan.

Read SEC document
December 31, 2024 Filed Feb 14, 2025 15:36 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 62.142 $0.00 $0.00
Disclosure

SEC source: 0001690001-25-000020 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,568.142

F1 · price: Shares were purchased through a Dividend Reinvestment Plan from 1/1/2024 to 12/31/2024.

Read SEC document
August 15, 2024 Filed Aug 16, 2024 13:46 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 721 $45.41 $32,740.61
Disclosure

SEC source: 0001611953-24-000002 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,506

Read SEC document
May 21, 2024 Filed May 22, 2024 21:16 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 3,000 $0.00 $0.00
Disclosure

SEC source: 0001690001-24-000056 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,227

F2 · shares: The award is in the form of restricted stock units which represents a contingent right to receive one share of NBT Bancorp Inc. common stock for each stock unit awarded. The restricted stock units vest in full as of the third anniversary of the Grant Date and may not be settled in cash.

Read SEC document
May 21, 2024 Filed May 22, 2024 21:16 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,743 $0.00 $0.00
Disclosure

SEC source: 0001690001-24-000056 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,227

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.

Read SEC document
March 18, 2024 Filed Mar 18, 2024 19:05 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 3,228 $0.00 $0.00
Disclosure

SEC source: 0001690001-24-000035 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,484

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Performance Unit Agreement, each member of a select group of Management is entitled to receive an award based on Company performance goals in the form of restricted stock units that vest one year following the end of a performance period.

Read SEC document
February 27, 2024 Filed Feb 27, 2024 21:57 UTC NBT BANCORP INC NBTB · Entity 4320 GrantPhantom Stock · Derivative 1,106.065 $34.57 $38,235.78
Disclosure

SEC source: 0001690001-24-000030 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,673.224

Underlying: NBT Bancorp Inc. Common Stock · 1,106.065 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
February 01, 2024 Filed Feb 2, 2024 14:53 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 715 $37.14 $26,555.10
Disclosure

SEC source: 0001690001-24-000013 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,696.379

Underlying: NBT Bancorp Inc. Common Stock · 715 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · kind: Discretionary transfer of balance to NBT equity investment.

F2 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F2 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
February 01, 2024 Filed Feb 2, 2024 14:53 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 1,163.025 $37.13 $43,188.00
Disclosure

SEC source: 0001690001-24-000013 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Indirect · 401k

Disclosed balance after: 1,163.025

F1 · kind: Discretionary transfer of balance to NBT equity investment.

Read SEC document
January 15, 2024 Filed Jan 17, 2024 21:16 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 243 $39.74 $9,656.82
Disclosure

SEC source: 0001690001-24-000004 · edgardoc.xml · nonDerivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,256

Read SEC document
January 15, 2024 Filed Jan 17, 2024 21:16 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 244 $39.74 $9,696.56
Disclosure

SEC source: 0001690001-24-000004 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,499

Read SEC document
December 31, 2023 Filed Feb 14, 2024 19:58 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 1,870.78 $0.00 $0.00
Disclosure

SEC source: 0001690001-24-000022 · edgardoc.xml · derivative · entry 3

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,852.159

Underlying: NBT Bancorp Inc. Common Stock · 1,870.78 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F3 · shares: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2023 to 12/31/2023 through a NBT Bancorp Inc. deferred compensation plan.

F2 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F2 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
December 31, 2023 Filed Feb 14, 2024 19:58 UTC NBT BANCORP INC NBTB · Entity 4320 OtherNBT Bancorp Inc. Common Stock 1,191.24 $0.00 $0.00
Disclosure

SEC source: 0001690001-24-000022 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Indirect · 401k

Disclosed balance after: 1,191.24

F1 · price: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2023 to 12/31/2023 through NBT Bancorp Inc. 401k Plan.

Read SEC document
March 20, 2023 Filed Mar 22, 2023 23:52 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,951 $0.00 $0.00
Disclosure

SEC source: 0001140361-23-013180 · form4.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,743

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.

Read SEC document
February 14, 2023 Filed Feb 16, 2023 18:52 UTC NBT BANCORP INC NBTB · Entity 4320 GrantPhantom Stock · Derivative 1,529.211 $40.63 $62,135.82
Disclosure

SEC source: 0001690001-23-000027 · edgardoc.xml · derivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,981.379

Underlying: NBT Bancorp Inc. Common Stock · 1,529.211 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
January 15, 2023 Filed Jan 18, 2023 16:05 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 243 $44.01 $10,694.43
Disclosure

SEC source: 0001690001-23-000007 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,792

Read SEC document
December 31, 2022 Filed Feb 14, 2023 14:05 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 55.168 $0.00 $0.00
Disclosure

SEC source: 0001690001-23-000018 · edgardoc.xml · derivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,452.168

Underlying: NBT Bancorp Inc. Common Stock · 55.168 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F2 · shares: Shares were purchased through payroll deferral and/or dividend reinvestment from 1/1/2022 to 12/31/2022 through a NBT Bancorp Inc. deferred compensation plan.

F1 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

Read SEC document
August 30, 2022 Filed Sep 1, 2022 16:17 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,100 $0.00 $0.00
Disclosure

SEC source: 0001690001-22-000053 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,035

F1 · shares: The award is in the form of restricted stock units which represents a contingent right to receive one share of NBT Bancorp Inc. common stock for each stock unit awarded. The restricted stock units vest in full as of the third anniversary of the Grant Date and may not be settled in cash.

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May 05, 2022 Filed May 6, 2022 18:07 UTC NBT BANCORP INC NBTB · Entity 4320 OtherPhantom Stock · Derivative 2,397 $36.05 $86,406.34
Disclosure

SEC source: 0001690001-22-000034 · edgardoc.xml · derivative · entry 2

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,397

Underlying: NBT Bancorp Inc. Common Stock · 2,397 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F2 · kind: Discretionary transfer of balance to NBT equity investment.

F1 · derivative.exercise_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

F1 · derivative.expiration_date: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.

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March 21, 2022 Filed Mar 23, 2022 18:38 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 2,935 $0.00 $0.00
Disclosure

SEC source: 0001690001-22-000028 · edgardoc.xml · nonDerivative · entry 1

Mahoney Ruth H · CIK 0001881927 · EVP/President of Wealth Mgmt

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,935

F1 · shares: Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.