Director Heidi Hoeller sells NBT Bancorp (NBTB) shares in open-market trade

Rhea-AI Filing Summary

NBT Bancorp Inc. director Heidi M. Hoeller reported an open-market sale of 2,100 shares of NBT Bancorp Inc. Common Stock at an average price of $48.035 per share. After this transaction, she directly holds 11,560 shares, indicating she retains a meaningful equity stake.

Insider Trade Summary

Net Seller: 2,100 shares ($100,874)

Net Sell 1 txn

Insider Hoeller Heidi M

Role null

Sold 2,100 shs ($101K)

Type	Security	Shares	Price	Value
Sale	NBT Bancorp Inc. Common Stock	2,100	$48.035	$101K

Holdings After Transaction: NBT Bancorp Inc. Common Stock — 11,560 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 2,100 shares Sale price: $48.035 per share Shares held after sale: 11,560 shares

3 metrics

Shares sold 2,100 shares Open-market sale on June 12, 2026

Sale price $48.035 per share Average price for the 2,100 shares sold

Shares held after sale 11,560 shares Direct ownership following the transaction

Key Terms

open-market sale, Common Stock, transaction code "S", Form 4

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "NBT Bancorp Inc. Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code "S" financial

"transaction_code: "S" for the reported sale"

Form 4 regulatory

"INSIDER FILING DATA (Form 4) for Heidi M. Hoeller"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Hoeller Heidi M

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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	06/12/2026		S		2,100	D	$48.035	11,560	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:

	By: Annette L. Burns, Power of Attorney For: Heidi M. Hoeller	06/12/2026
	** 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 transaction did NBT Bancorp (NBTB) report for Heidi M. Hoeller?

NBT Bancorp reported that director Heidi M. Hoeller executed an open-market sale of 2,100 shares of NBT Bancorp Inc. Common Stock. The transaction was recorded on a Form 4 insider filing dated for a transaction on June 12, 2026.

How many NBT Bancorp (NBTB) shares did Heidi M. Hoeller sell and at what price?

Heidi M. Hoeller sold 2,100 shares of NBT Bancorp Inc. Common Stock at an average price of $48.035 per share. This represents a single reported open-market sale transaction in the disclosed Form 4 data.

How many NBT Bancorp (NBTB) shares does Heidi M. Hoeller own after the sale?

Following the reported sale, Heidi M. Hoeller directly owns 11,560 shares of NBT Bancorp Inc. Common Stock. This post-transaction holding reflects her remaining direct equity position as disclosed in the Form 4 filing data.

Was the NBT Bancorp (NBTB) insider transaction by Heidi M. Hoeller a buy or a sell?

The insider transaction by Heidi M. Hoeller was a sale. The Form 4 data classifies it as an open-market sale of NBT Bancorp Inc. Common Stock, using transaction code "S" and transaction direction labeled as "sell."

What type of security was involved in Heidi M. Hoeller’s NBT Bancorp (NBTB) transaction?

The transaction involved NBT Bancorp Inc. Common Stock. The Form 4 data lists the security title explicitly as "NBT Bancorp Inc. Common Stock" and records the trade details, including shares sold and average sale price per share.