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DIETRICH MARTIN A

Disclosed activity across 1 company

Tapewire entity
45487
SEC CIK
0001204704

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
NBT BANCORP INCNBTB · Entity 4320DirectorMay 19, 2026May 21, 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 May 19, 2026 · Filed May 21, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
NBT Bancorp Inc. Common StockSEC Table I · non-derivativeDirect112,294 Reported balance After 2026-05-19 transaction · row 1
1 source row

Row 1 · 2026-05-19 · Grant · Acquired 1,050 · Balance 112,294

F1: Acquired pursuant to the NBT Bancorp Inc. 2024 Omnibus Incentive Plan. Each outside director is entitled to receive an annual retainer for Board service in the form of restricted stock units of the Company's common stock that vest in one year.

Filing footnotes · ownership attribution and instrument terms

F1: Acquired pursuant to the NBT Bancorp Inc. 2024 Omnibus Incentive Plan. Each outside director is entitled to receive an annual retainer for Board service in the form of restricted stock units of the Company's common stock that vest in one year.

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
February 06, 2017 Filed Feb 8, 2017 20:34 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 3,300 $28.01 $92,433.00
Disclosure

SEC source: 0001690001-17-000015 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,506.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 03, 2017 Filed Feb 6, 2017 19:08 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 20,515 $40.40 Strike: $29.97 $828,902.42
Disclosure

SEC source: 0001611953-17-000009 · edgardoc.xml · derivative · entry 7

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: NBT Bancorp Inc. Common Stock · 20,515 shares

Expires 2026-07-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 03, 2017 Filed Feb 6, 2017 19:08 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 155 $0.00 $0.00
Disclosure

SEC source: 0001611953-17-000009 · edgardoc.xml · nonDerivative · entry 3

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,206.045

F1 · shares: Acquired pursuant to the NBT Bancorp Inc. 2008 Omnibus Incentive Plan. Each outside director is entitled to receive an annual retainer for Board service in the form of restricted stock units of the Company's common stock that vests in three annual installments.

Read SEC document
February 03, 2017 Filed Feb 6, 2017 19:08 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 20,515 $40.40 $828,902.42
Disclosure

SEC source: 0001611953-17-000009 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,051.045

Read SEC document
February 03, 2017 Filed Feb 6, 2017 19:08 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 20,515 $29.97 $614,834.55
Disclosure

SEC source: 0001611953-17-000009 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,566.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 02, 2017 Filed Feb 3, 2017 18:58 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 13,641 $39.73 Strike: $26.67 $542,010.13
Disclosure

SEC source: 0001690001-17-000014 · edgardoc.xml · derivative · entry 6

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: NBT Bancorp Inc. Common Stock · 13,641 shares

Expires 2025-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 02, 2017 Filed Feb 3, 2017 18:58 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 13,641 $39.73 $542,010.13
Disclosure

SEC source: 0001690001-17-000014 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,051.045

Read SEC document
February 02, 2017 Filed Feb 3, 2017 18:58 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 13,641 $26.67 $363,805.47
Disclosure

SEC source: 0001690001-17-000014 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,692.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
January 31, 2017 Filed Feb 2, 2017 19:21 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 396 $40.74 $16,133.04
Disclosure

SEC source: 0001611953-17-000007 · edgardoc.xml · nonDerivative · entry 4

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,051.045

Read SEC document
January 31, 2017 Filed Feb 2, 2017 19:21 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 525 $40.74 $21,388.50
Disclosure

SEC source: 0001611953-17-000007 · edgardoc.xml · nonDerivative · entry 3

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,447.045

Read SEC document
January 31, 2017 Filed Feb 2, 2017 19:21 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 388 $40.74 $15,807.12
Disclosure

SEC source: 0001611953-17-000007 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,972.045

Read SEC document
January 31, 2017 Filed Feb 2, 2017 19:21 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 134 $40.74 $5,459.16
Disclosure

SEC source: 0001611953-17-000007 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,360.045

Read SEC document
January 25, 2017 Filed Jan 26, 2017 20:59 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 23,834 $41.43 $987,347.28
Disclosure

SEC source: 0001690001-17-000012 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,494.045

F1 · price: The sale price is the weighted average of 23,834 shares sold at prices between $41.00 and $42.07.

Read SEC document
January 25, 2017 Filed Jan 26, 2017 20:59 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 1,166 $42.08 $49,065.28
Disclosure

SEC source: 0001690001-17-000012 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,328.045

Read SEC document
January 18, 2017 Filed Jan 20, 2017 20:14 UTC NBT BANCORP INC NBTB · Entity 4320 GrantNBT Bancorp Inc. Common Stock 7,811 $0.00 $0.00
Disclosure

SEC source: 0001690001-17-000010 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,494.045

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

Read SEC document
January 15, 2017 Filed Jan 18, 2017 21:08 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 1,448 $41.65 $60,309.20
Disclosure

SEC source: 0001690001-17-000005 · edgardoc.xml · nonDerivative · entry 5

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,683.045

Read SEC document
January 15, 2017 Filed Jan 18, 2017 21:08 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 1,429 $41.65 $59,517.85
Disclosure

SEC source: 0001690001-17-000005 · edgardoc.xml · nonDerivative · entry 4

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,131.045

Read SEC document
January 15, 2017 Filed Jan 18, 2017 21:08 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 8,821 $41.65 $367,394.65
Disclosure

SEC source: 0001690001-17-000005 · edgardoc.xml · nonDerivative · entry 3

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,560.045

Read SEC document
January 15, 2017 Filed Jan 18, 2017 21:08 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 1,471 $41.65 $61,267.15
Disclosure

SEC source: 0001690001-17-000005 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,381.045

Read SEC document
January 15, 2017 Filed Jan 18, 2017 21:08 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 1,692 $41.65 $70,471.80
Disclosure

SEC source: 0001690001-17-000005 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,852.045

Read SEC document
January 01, 2017 Filed Jan 3, 2017 19:20 UTC NBT BANCORP INC NBTB · Entity 4320 Tax withholdingNBT Bancorp Inc. Common Stock 9,801 $41.88 $410,465.88
Disclosure

SEC source: 0001611953-17-000003 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · Chairman, NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,544.045

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,166 $40.20 Strike: $25.36 $46,871.80
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · derivative · entry 9

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: NBT Bancorp Inc. Common Stock · 1,166 shares

Expires 2024-10-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan reload grant vests 100% two years after date of its grant.

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 20,575 $40.20 Strike: $25.15 $827,090.31
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · derivative · entry 8

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: NBT Bancorp Inc. Common Stock · 20,575 shares

Expires 2024-10-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan reload grant vests 100% two years after date of its grant.

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 1,166 $40.20 $46,871.80
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · nonDerivative · entry 4

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,345.045

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 1,166 $25.36 $29,569.76
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · nonDerivative · entry 3

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 167,511.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 20,575 $40.20 $827,090.31
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,345.045

Read SEC document
November 14, 2016 Filed Nov 15, 2016 20:11 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 20,575 $25.15 $517,461.25
Disclosure

SEC source: 0001611953-16-000130 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,920.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 22, 2016 Filed Sep 23, 2016 17:59 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 25,000 $32.67 Strike: $25.38 $816,637.50
Disclosure

SEC source: 0001611953-16-000129 · edgardoc.xml · derivative · entry 6

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: NBT Bancorp Inc. Common Stock · 25,000 shares

Expires 2019-01-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Pursuant to NBT Bancorp Inc. Omnibus Stock Option Agreement the grant vests 40% for first year, 20% annually for following years.

Read SEC document
September 22, 2016 Filed Sep 23, 2016 17:59 UTC NBT BANCORP INC NBTB · Entity 4320 SaleNBT Bancorp Inc. Common Stock 25,000 $32.67 $816,637.50
Disclosure

SEC source: 0001611953-16-000129 · edgardoc.xml · nonDerivative · entry 2

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,345.045

Read SEC document
September 22, 2016 Filed Sep 23, 2016 17:59 UTC NBT BANCORP INC NBTB · Entity 4320 Exercise / conversionNBT Bancorp Inc. Common Stock 25,000 $25.38 $634,500.00
Disclosure

SEC source: 0001611953-16-000129 · edgardoc.xml · nonDerivative · entry 1

DIETRICH MARTIN A · CIK 0001204704 · Director · President & CEO NBT Bancorp

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,345.045

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document

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