Welcome to our dedicated page for NB Bancorp SEC filings (Ticker: NBBK), 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.
NB Bancorp, Inc. (NBBK) SEC Filings Overview
This page provides access to NB Bancorp, Inc.’s SEC filings, which document the regulatory and financial reporting of the bank holding company for Needham Bank. As an emerging growth company with common stock listed on The Nasdaq Stock Market under the symbol NBBK, NB Bancorp files Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, among other documents.
Through these filings, investors can review information on NB Bancorp’s loan and deposit composition, net interest income and margin, noninterest income and expenses, provision for credit losses, asset quality metrics and capital management activities. Earnings-related Form 8-K filings, for example, describe quarterly financial results, including changes in commercial real estate, multi-family, construction and land development, commercial and industrial and consumer loan portfolios, as well as updates on the allowance for credit losses, non-performing loans and net charge-offs or recoveries.
NB Bancorp also uses Form 8-K to report material events such as the adoption of share repurchase plans, the declaration of dividends and significant corporate transactions. A series of 8-K and 8-K/A filings in 2025 detail the Agreement and Plan of Merger with Provident Bancorp, Inc. and BankProv, the mailing of stock and cash election materials, the receipt of all regulatory approvals, the final proration of merger consideration and the completion of the merger transaction on November 15, 2025. These filings explain the merger structure, consideration terms, allocation and proration procedures and the treatment of Provident equity awards.
On this page, users can track such filings as they are made available through EDGAR, and AI-powered tools can help summarize lengthy documents, highlight key terms and clarify complex sections. This includes identifying major items in Form 10-K and 10-Q reports, outlining the main provisions of merger-related 8-K filings and pointing to disclosures on topics such as dividend declarations, share repurchase plans and changes in the company’s governance or board composition.
Needham Bank Employee Stock Ownership Plan Trust reported beneficial ownership of 3,416,458 shares of NB Bancorp, Inc. common stock, representing 7.5% of the class. The trust has sole voting power over 3,074,812 shares and shared voting power over 341,646 shares. It has sole dispositive power over all 3,416,458 shares and no shared dispositive power.
The securities are held by the employee stock ownership plan in the ordinary course of business and are not held for the purpose of changing or influencing control of NB Bancorp, according to the certification.
NB Bancorp, Inc., the parent company of Needham Bank, filed a current report to note that it made an investor slide presentation available at an in-person bank investor meeting. The materials provide information about the company’s operations and financial performance.
The slide deck, dated February 4, 2026, is furnished as Exhibit 99.1 to this report and incorporated by reference, allowing investors to review the same information presented at the meeting.
The Vanguard Group reports beneficial ownership of 2,301,034 shares of NB Bancorp Inc common stock, representing 5.02% of the class as of 12/31/2025.
Vanguard has shared voting power over 294,807 shares and shared dispositive power over all 2,301,034 shares, with no sole voting or dispositive power. The holdings are held for clients in the ordinary course of business, and Vanguard states they are not intended to change or influence control of NB Bancorp.
Vanguard also notes an internal realignment effective January 12, 2026, after which certain subsidiaries or business divisions are expected to report beneficial ownership separately while pursuing the same investment strategies as before.
NB Bancorp, Inc. director Mary Susan Elliott reported open-market purchases of the company’s common stock. On January 24, 2025, she bought 10,000 shares at $18.72 each, bringing her directly held position to 115,761 shares, including restricted stock that vests 20% annually starting April 24, 2026 and a grant vesting 100% on January 2, 2027. On May 2, 2025, an additional 1,434 shares were acquired at $21.39 per share and are held indirectly through her spouse.
NB Bancorp, Inc., the holding company for Needham Bank, reported that it issued a press release announcing its earnings for the quarter ended December 31, 2025.
The Board of Directors declared a cash dividend of $0.07 per share, payable on February 19, 2026 to stockholders of record as of February 5, 2026, providing a direct cash return to shareholders.
The Board also authorized a stock repurchase program for up to 2,288,509 shares, described as 5% of the company’s outstanding common stock, signaling an additional method of returning capital through potential share buybacks.
NB Bancorp, Inc. reported that a director acquired 5,524 shares of restricted common stock on January 2, 2026 at a stated price of $0 per share. These restricted shares vest 100% on January 2, 2027, meaning they become fully owned at that time if conditions are met. After this grant, the director beneficially owns 105,761 shares of NB Bancorp stock in total, including other restricted shares that vest at a rate of 20% per year starting on April 24, 2026. The filing is made as a single-reporting-person Form 4 for a board member.
NB Bancorp, Inc. director reported an equity grant under the company’s stock program. On 01/02/2026, the director acquired 7,685 shares of common stock as restricted stock at a stated price of $0, reflecting an award rather than an open‑market purchase.
After this transaction, the director beneficially owns 96,922 shares of common stock directly and an additional 60,000 shares indirectly through an IRA. The 7,685 restricted shares vest 100% on January 2, 2027, and the direct holdings also include restricted shares that vest at a rate of 20% per year starting on April 24, 2026. This filing shows ongoing equity-based alignment between the director and the company.
NB Bancorp, Inc. reported an insider equity transaction by one of its directors. On January 2, 2026, the director acquired 4,803 shares of NB Bancorp common stock as a grant of restricted stock at a stated price of $0 per share. After this grant, the director beneficially owns a total of 85,140 shares of common stock in direct form.
The filing explains that the 4,803 restricted shares vest 100% on January 2, 2027, and that the total also includes other restricted shares that vest at a rate of 20% per year starting on April 24, 2026. This reflects ongoing equity-based compensation aligning the director’s holdings with the company’s stock over a multi‑year schedule.
NB Bancorp, Inc. director Angela Jackson reported receiving 2,402 shares of common stock as a stock award on January 2, 2026. The award was granted at a price of $0 per share, indicating a restricted stock grant rather than an open-market purchase. After this grant, Jackson beneficially owned 81,255 NB Bancorp shares directly.
According to the footnotes, the 2,402 restricted shares vest 100% on January 2, 2027. The total 81,255 shares also include restricted stock that vests 20% per year starting April 24, 2026, showing that a portion of her holdings is subject to multi-year vesting schedules.
NB Bancorp, Inc. director Joseph R. Nolan Jr. reported acquiring 2,402 shares of the company’s common stock on January 2, 2026. The shares were acquired at a price of $0 per share87,739 shares of NB Bancorp common stock in direct ownership. The total includes other restricted shares that vest at a rate of 20% per year beginning April 24, 2026.