Welcome to our dedicated page for NBT BANCORP SEC filings (Ticker: NBTB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
NBT Bancorp Inc.'s SEC filings document the reporting and governance record of a financial holding company whose primary operating bank is NBT Bank, N.A.. Its 8-K filings furnish quarterly earnings releases under Item 2.02 and Regulation FD investor presentations describing results, business lines and financial condition.
The company's proxy materials cover annual meeting proposals, director elections, advisory executive-compensation votes and auditor ratification. Other current reports address executive officer transitions, exhibits, Inline XBRL cover data and material-event disclosures tied to the company's banking, retirement plan administration and insurance-agency operations.
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.
NBT Bancorp Inc. director John H. Watt Jr. sold 21,000 shares of NBT Bancorp Inc. Common Stock in an open-market sale on June 9, 2026 at an average price of $47.4167 per share. After the transaction, he directly owns 54,010 shares. A footnote explains the reported price is an average of sales executed between $47.3776 and $47.4363 per share.
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.
NBT Bancorp Inc. executive Joseph P. Sergienko, the Chief Risk Officer, filed a Form 3 showing his existing ownership of the company’s common stock. He reports direct ownership of 2,863 shares of NBT Bancorp Inc. Common Stock and indirect ownership of 123.323 shares through a 401k plan. The filing lists these positions as holdings rather than new purchases or sales, so it primarily establishes his baseline stake as an officer of the company.
NBT Bancorp Inc. executive Ruth H. Mahoney, EVP and President of Wealth Management, reported an open-market sale of 5,000 shares of NBT Bancorp Inc. common stock at $46.60 per share on 2026-06-05.
After this sale, she holds 16,427.542 common shares directly and 4,720.689 shares indirectly through a 401(k) plan. She also holds 10,249.198 phantom stock units, each deemed invested in one share of NBT Bancorp Inc. common stock under a deferred compensation plan.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice listing multiple blocks of Restricted Stock of Common shares for NBTB. The filing lists lots with quantities such as 344, 71, 350, 1,922, 1,279, and other share counts tied to grant or restriction dates between 01/15/2023 and 01/15/2025.
Kowalczyk Andrew S III reported acquisition or exercise transactions in this Form 4 filing.
NBT Bancorp Inc. director Andrew S. Kowalczyk III reported new compensation-related equity awards. He received a grant of 1,128.434 shares of phantom stock deemed invested in NBT Bancorp Inc. common stock at $45.86 per share under the Deferred Compensation Plan. Following this award, his phantom stock balance increased to 7,726.928 units, and he also reported holding 13,641.843 shares of NBT Bancorp Inc. common stock directly.
WATT JOHN H JR reported acquisition or exercise transactions in this Form 4 filing.
NBT Bancorp Inc. director John H. Watt Jr. received a grant of 1,050 shares of NBT Bancorp Inc. common stock on May 19, 2026. The award was made under the NBT Bancorp Inc. 2024 Omnibus Incentive Plan as an annual retainer in restricted stock units that vest in one year. Following this grant, he holds 75,010 shares directly.
Kowalczyk Andrew S III reported acquisition or exercise transactions in this Form 4 filing.
NBT Bancorp Inc. director Andrew S. Kowalczyk III reported a compensation-related equity grant. He received 1,050 shares of NBT Bancorp Inc. common stock at $0.00 per share as a grant or award under the company’s 2024 Omnibus Incentive Plan, in the form of restricted stock units that vest in one year. Following this grant, he directly holds 13,641.843 shares of common stock. The filing also shows phantom stock credited under the Deferred Compensation Plan, tied to 6,598.494 underlying shares of NBT Bancorp Inc. common stock, reflecting deferred, cash-settled exposure rather than additional tradable shares.