David J. Nasca - 19 May 2026 Form 4 Insider Report for NBT BANCORP INC (NBTB)

Reporting relationship: Director
Issuer ticker: NBTB
Reported as of: 19 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 12:04:59 UTC
Prior SEC filing: 31 Oct 2025
Source filing: View source filing
Reporting owner signature: By: Annette L. Burns, Power of Attorney For: David J. Nasca

Key filing fact

David J. Nasca filed Form 4 for NBT BANCORP INC (NBTB) on 21 May 2026.

Key facts

This page summarizes David J. Nasca's Form 4 filing for NBT BANCORP INC (NBTB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 12:04.

Change

Previous filing in this sequence was filed on 31 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001237044 Primary reporting owner

NASCA DAVID J

Relationship: Director
Address: 52 SOUTH BROAD STREET, NORWICH
Signature: By: Annette L. Burns, Power of Attorney For: David J. Nasca
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NBTB transaction

NBT Bancorp Inc. Common Stock

Award

Transaction value
Shares: +1,050
Change %: +1.5%
Price: $0.000000^*
Shares after: 71,705
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

NBTB holding

NBT Bancorp Inc. Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,133
Date: 19 May 2026
Ownership: by Trust

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.