NBT Bancorp (NBTB) EVP receives stock awards, covers taxes in shares

Rhea-AI Filing Summary

NBT Bancorp Inc. executive vice president Shaunastar Hyle reported stock-based compensation and related tax withholding in company shares. On March 23, 2026, Hyle received two stock awards of 2,751 and 2,226 shares of NBT Bancorp Inc. Common Stock, tied to restricted stock unit grants and a three-year performance period. To cover tax obligations, 191 and 612 shares were withheld at $41.99 per share instead of cash. Following these transactions, Hyle directly holds 29,298 shares, with additional indirect holdings in a 401(k), an ESOP account, and as custodian for a minor.

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

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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^*

Hyle Shaunastar

(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, Retail Community Banking

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								1,059.527	I	401k
NBT Bancorp Inc. Common Stock								1.442	I	Custodian for Minor
NBT Bancorp Inc. Common Stock	03/23/2026		A		2,751(1)	A	$0	27,875	D
NBT Bancorp Inc. Common Stock	03/23/2026		F		191	D	$41.99	27,684	D
NBT Bancorp Inc. Common Stock	03/23/2026		F		612	D	$41.99	27,072	D
NBT Bancorp Inc. Common Stock	03/23/2026		A		2,226(2)	A	$0	29,298	D
NBT Bancorp Inc. Common Stock								338.479	I	NBT BancorpESOP

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: Shaunastar M. Hyle	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 EVP Shaunastar Hyle?

Shaunastar Hyle reported stock awards and tax-withholding share dispositions. Two grants of 2,751 and 2,226 NBT Bancorp shares were recorded, along with 191 and 612 shares withheld at $41.99 each to satisfy tax liabilities tied to those equity awards.

Were the NBT Bancorp (NBTB) insider share dispositions open-market sales?

The dispositions were not open-market sales. They were Form 4 code F transactions, meaning 191 and 612 shares of NBT Bancorp common stock were withheld at $41.99 per share to pay taxes on equity compensation rather than sold for investment reasons.

How many NBT Bancorp (NBTB) shares does EVP Shaunastar Hyle hold after these transactions?

After the reported transactions, Shaunastar Hyle directly holds 29,298 shares of NBT Bancorp common stock. The filing also shows indirect holdings, including 1,059.527 shares in a 401(k), 338.479 shares in an ESOP account, and a small custodial position for a minor.

What types of stock awards did NBT Bancorp (NBTB) grant to EVP Shaunastar Hyle?

The filing shows two types of stock awards. One grant of 2,751 restricted stock units vests 20% annually, while a separate 2,226-share restricted stock unit grant vested after completion of a three-year performance period, reflecting earned performance-based compensation.

How are Shaunastar Hyle’s NBT Bancorp (NBTB) stock awards structured over time?

One NBT Bancorp stock unit grant to Shaunastar Hyle vests in 20% increments each year, spreading ownership over multiple years. Another restricted stock unit award vested in full after a three-year performance period, rewarding achievement of pre-set performance goals over that timeframe.