NBT Bancorp director entity buys 22,730 shares

NBT Bancorp Inc director Timothy E. Delaney reported an amended insider transaction reflecting an indirect open-market purchase of 22,730 shares of NBT Bancorp Inc. Common Stock at $42.97 per share on January 28, 2026.

Rhea-AI Filing Summary

NBT Bancorp Inc director Timothy E. Delaney reported an amended insider transaction reflecting an indirect open-market purchase of 22,730 shares of NBT Bancorp Inc. Common Stock at $42.97 per share on January 28, 2026.

The filing clarifies that these shares are held indirectly through Wesson Group LLC, a corporation for which Delaney serves as President, correcting an earlier report that had shown the holdings as directly owned.

Insider Trade Summary

Net Buyer: 22,730 shares

Net Buy 1 txn

Insider DELANEY TIMOTHY E

Role Director

Bought 22,730 shs ($977K)

Type	Security	Shares	Price	Value
Purchase	NBT Bancorp Inc. Common Stock	22,730	$42.97	$977K

Holdings After Transaction: NBT Bancorp Inc. Common Stock — 22,730 shares (Indirect, by Corporation)

Footnotes (1)

1. F1. On January 29, 2026, the reporting person filed a Form 4 which inadvertently reported securities were held directly by the reporting person. In fact, the reported securities are held by Wesson Group LLC, a Corporation for which the reporting person serves as the President.

FAQ

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What insider transaction did NBTB director Timothy E. Delaney report?

He reported an indirect open-market purchase of 22,730 NBT Bancorp Inc. shares at $42.97 each on January 28, 2026. The Form 4/A amends a prior filing and confirms the position is held through Wesson Group LLC, not directly by Delaney.

Why is this NBTB Form 4/A filing labeled as an amendment?

It corrects a prior Form 4 filed on January 29, 2026 that mistakenly showed the securities as held directly by Timothy E. Delaney. The amendment clarifies that the 22,730 shares are actually held by Wesson Group LLC, where Delaney is President.

Is the NBTB insider purchase by Timothy E. Delaney direct or indirect ownership?

The purchase is reported as indirect ownership, coded "I" and described as "by Corporation." A footnote explains the shares are held by Wesson Group LLC, a corporation associated with Delaney, rather than being owned directly in his personal name.

How many NBT Bancorp shares does the reporting entity hold after this transaction?

Following the open-market purchase, total holdings reported for this position are 22,730 NBT Bancorp Inc. common shares. This figure reflects the indirect ownership through Wesson Group LLC as of the transaction date disclosed in the Form 4/A amendment.

What does the transaction code P mean in this NBTB Form 4/A?

Transaction code "P" indicates an open-market or private purchase of common stock. In this case, it reflects Wesson Group LLC’s acquisition of 22,730 NBT Bancorp shares at $42.97 per share, reported as an indirect holding linked to director Timothy E. Delaney.

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Accepted by SEC EDGAR 03/13/2026 - 11:03 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DELANEY TIMOTHY E

(Last) (First) (Middle)

52 SOUTH BROAD STREET

(Street)

NORWICH NY 13815

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NBT BANCORP INC [ NBTB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)
01/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
NBT Bancorp Inc. Common Stock	01/28/2026		P		22,730	A	$42.97	22,730	I	by Corporation(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On January 29, 2026, the reporting person filed a Form 4 which inadvertently reported securities were held directly by the reporting person. In fact, the reported securities are held by Wesson Group LLC, a Corporation for which the reporting person serves as the President.

	By: Annette L. Burns, Power of Attorney For: Timothy E. Delaney	03/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.