Sarah A. Halliday - 24 Mar 2025 Form 4 Insider Report for NBT BANCORP INC (NBTB)

Role: EVP/President Comm Banking
Signature: By: Annette L. Burns, Power of Attorney For: Sarah A. Halliday
Issuer symbol: NBTB
Transactions as of: 24 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 26 Mar 2025, 17:30:49 UTC
Previous filing: 11 Feb 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NBTB	NBT Bancorp Inc. Common Stock	Award	$0	+2,623	+10%	$0.000000	28,187	24 Mar 2025	Direct	F1
holding	NBTB	NBT Bancorp Inc. Common Stock						7,403	24 Mar 2025	401k

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	NBTB	Phantom Stock						5,145	24 Mar 2025	NBT Bancorp Inc. Common Stock	5,145		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Pursuant to NBT Bancorp Inc. Omnibus Restricted Stock Unit Agreement the grant vests 20% annually.
F2	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.