NBT Bancorp (NBTB) EVP Amy Wiles receives stock grants, with minor tax withholding

Rhea-AI Filing Summary

NBT Bancorp Inc. EVP and Chief Risk and Credit Officer Amy Wiles reported routine equity compensation activity in company stock. She received two awards totaling 8,228 shares of NBT Bancorp Inc. Common Stock on March 23, 2026, granted at no cost as restricted stock units.

On the same date, 114 shares were disposed of at $41.99 per share to satisfy tax obligations associated with vesting, rather than through an open-market sale. Following these transactions, she directly holds 29,614 shares. One award vests 20% annually, and another reflects units earned after a three-year performance period.

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^*

Wiles Amy

(Last) (First) (Middle)

52 SOUTH BROAD STREET

(Street)

NORWICH NEW YORK 13815

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Risk and Credit

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

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

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

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

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	03/23/2026		F		114	D	$41.99	21,386	D
NBT Bancorp Inc. Common Stock	03/23/2026		A		5,656(1)	A	$0	27,042	D
NBT Bancorp Inc. Common Stock	03/23/2026		A		2,572(2)	A	$0	29,614	D

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

2. Earned restricted stock unit vested following the end of a three-year performance period.

	By: Annette L. Burns, Power of Attorney For: Amy Wiles	03/25/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did NBT Bancorp (NBTB) report for Amy Wiles?

NBT Bancorp reported that EVP and Chief Risk and Credit Officer Amy Wiles received two stock awards totaling 8,228 common shares, while 114 shares were disposed of to cover tax obligations tied to vesting. These are routine equity compensation and tax-withholding transactions.

How many NBT Bancorp (NBTB) shares does Amy Wiles hold after these Form 4 transactions?

After the reported transactions, Amy Wiles directly holds 29,614 shares of NBT Bancorp Inc. Common Stock. This reflects net holdings following the grant of 8,228 shares and the tax-withholding disposition of 114 shares related to restricted stock unit vesting.

Were Amy Wiles’ NBT Bancorp (NBTB) transactions open-market stock sales or purchases?

No open-market purchases or sales were reported. The filing shows stock grants at no cost and a disposition coded as tax withholding, where 114 shares were delivered to cover tax liabilities from vesting, rather than sold in the open market.

What type of stock awards did NBT Bancorp (NBTB) grant to Amy Wiles?

The filing indicates restricted stock unit awards. One grant vests 20% annually under an omnibus restricted stock unit agreement, while another represents earned restricted stock units that vested after completion of a three-year performance period at NBT Bancorp.

Does the NBT Bancorp (NBTB) Form 4 for Amy Wiles indicate ongoing vesting terms?

Yes. A footnote explains that one restricted stock unit grant to Amy Wiles vests 20% each year. Another footnote notes that earned units vested after a three-year performance period, indicating multi-year incentive structures tied to service and performance.