NBT Bancorp (NASDAQ: NBTB) officer lists 11,866 common shares

Rhea-AI Filing Summary

NBT Bancorp Inc Chief Credit Officer Tara Flynn Trafton Hamblett filed an initial Form 3, reporting existing holdings of the company’s common stock. She reports direct ownership of 11,866.363 shares of NBT Bancorp Inc. common stock as of June 1, 2026, with no specific transactions disclosed.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Trafton Hamblett Tara Flynn

Role Chief Credit Officer

Type	Security	Shares	Price	Value
holding	NBT Bancorp Inc. Common Stock	--	--	--

Holdings After Transaction: NBT Bancorp Inc. Common Stock — 11,866.363 shares (Direct, null)

Footnotes (1)

Key Figures

Common shares held: 11,866.363 shares

1 metrics

Common shares held 11,866.363 shares Direct ownership as of June 1, 2026

Key Terms

Form 3, beneficial ownership, common stock, direct ownership

4 terms

Form 3 regulatory

"filed an initial Form 3, reporting existing holdings"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership regulatory

"initial Form 3 beneficial ownership filing"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

common stock financial

"11,866.363 shares of 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.

direct ownership financial

"reports direct ownership of 11,866.363 shares"

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Trafton Hamblett Tara Flynn

(Last) (First) (Middle)

52 SOUTH BROAD STREET

(Street)

NORWICH NEW YORK 13815

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/01/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
NBT Bancorp Inc. Common Stock	11,866.363	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	By: Annette L. Burns, Power of Attorney For: Tara F. Trafton Hamblett	06/08/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the NBTB Form 3 filed by Tara Flynn Trafton Hamblett show?

The Form 3 shows that Chief Credit Officer Tara Flynn Trafton Hamblett directly holds 11,866.363 shares of NBT Bancorp Inc. common stock as of June 1, 2026, establishing her initial reported ownership position.

How many NBT Bancorp (NBTB) shares does the Chief Credit Officer own?

Chief Credit Officer Tara Flynn Trafton Hamblett reports direct ownership of 11,866.363 shares of NBT Bancorp Inc. common stock as of June 1, 2026, according to her initial Form 3 beneficial ownership filing.

Does the NBTB Form 3 indicate any recent stock transactions?

The Form 3 does not indicate any specific buy or sell transactions. It functions as an initial statement of beneficial ownership, listing 11,866.363 shares of NBT Bancorp Inc. common stock held directly by the reporting officer as of June 1, 2026.

What is the significance of a Form 3 for NBT Bancorp (NBTB) insiders?

Form 3 is an initial report that insiders must file when they become subject to SEC reporting rules. It discloses their existing beneficial ownership, such as the 11,866.363 NBT Bancorp Inc. common shares reported here by the Chief Credit Officer.

Is Tara Flynn Trafton Hamblett’s ownership in NBTB direct or indirect?

Her reported ownership is classified as direct. The Form 3 lists 11,866.363 shares of NBT Bancorp Inc. common stock held with a direct ownership code, meaning the holdings are attributed personally rather than through an intermediary entity.