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.
NB Bancorp director Raza Muhammad reported receiving an award of 2,402 shares of NB Bancorp, Inc. common stock on January 2, 2026, coded as an acquisition at a price of $0. These shares are restricted stock that vest 100% on January 2, 2027.
After this award, he beneficially owns 77,639 shares of common stock directly, which include shares of restricted stock that vest at a rate of 20% per year starting April 24, 2026. He also reports indirect beneficial ownership of 3,706 shares held by an IRA.
NB Bancorp, Inc. director Francis Orfanello reported a grant of 5,403 shares of common stock on January 2, 2026, at a price of $0 per share. After this award, he directly beneficially owned 135,640 common shares and indirectly held an additional 7,500 shares through a retirement plan. The 5,403-share grant consists of restricted stock that vests 100% on January 2, 2027. His existing holdings include restricted shares that vest at a rate of 20% per year starting April 24, 2026.
NB Bancorp, Inc. (NBBK) director Darcey William reported an award of 2,402 shares of common stock on January 2, 2026. The shares were granted at a price of $0.00 per share and are described as restricted stock that will vest 100% on January 2, 2027.
Following this grant, William beneficially owned 82,639 shares of NB Bancorp common stock in direct form, which includes other restricted shares that vest at a rate of 20% per year commencing on April 24, 2026. In addition, the filing notes indirect ownership of 80,000 shares held by an IRA.
NB Bancorp, Inc. (NBBK)November 15, 2025. The reporting person holds 12,012 shares of NB Bancorp common stock directly, 36,465 shares indirectly through a revocable trust, and 2,398 shares indirectly through an ESOP. Under the merger agreement, each share of Provident common stock was converted into the right to receive either $13.00 in cash or 0.691 shares of Needham common stock, subject to proration and allocation terms in the merger agreement.
NB Bancorp, Inc., the holding company for Needham Bank, completed its acquisition of Provident Bancorp, Inc. and its subsidiary BankProv on November 15, 2025. A merger subsidiary was first combined with Provident, which then merged into NB Bancorp, followed by BankProv merging into Needham Bank.
Provident shareholders received a mix of stock or cash consideration as set out in the merger agreement, with allocation procedures designed so that 50% of Provident shares received stock consideration and the rest cash. NB Bancorp estimates it issued approximately 5,944,350 shares of its common stock in the transaction, resulting in a pro forma total of about 45,770,800 shares outstanding as of November 12, 2025. The cash portion was funded from NB Bancorp’s cash on hand. Provident stock options were cancelled for cash based on a per share cash equivalent of $12.69. Former Provident CEO Joseph B. Reilly joined the boards of NB Bancorp and Needham Bank and entered into severance and consulting arrangements that include an $800,000 severance payment, Medicare premium reimbursements, a $250,000 non‑compete payment, and monthly consulting fees of $27,500 for 18 months.
NB Bancorp, Inc. filed a Form S-8 to register shares for potential issuance under the BankProv 401(k) Plan, which Needham assumed in connection with its merger with Provident Bancorp and BankProv.
The filing covers Needham common stock that plan participants may purchase through payroll periods between November 15, 2025 and the combination of the BankProv 401(k) Plan with Needham’s existing 401(k) plan, and includes an indeterminate amount of related plan interests.
The merger sequence is scheduled to begin at 12:01 a.m. Eastern on November 15, 2025, followed by holdco and bank mergers, with Needham and Needham Bank as the surviving entities.
NB Bancorp, Inc. (NBBK) filed an 8-K stating that on November 14, 2025, NB Bancorp and Provident Bancorp jointly issued a press release about their proposed merger transactions. The structure includes the merger of a Needham subsidiary into Provident, followed by Provident merging into NB Bancorp, and then BankProv merging into Needham Bank at 12:03 a.m. Eastern Time.
The filing reiterates extensive forward‑looking statement cautions and lists multiple risk factors that could affect outcomes. The press release is furnished as Exhibit 99.1.
NB Bancorp, Inc. filed an amended 8‑K to correct a typographical error in the merger proration results with Provident Bancorp. The Merger Transaction is expected to take effect on November 15, 2025 at 12:01 a.m. Eastern Time. Elections received were approximately 16.31% for stock, 75.33% for cash, and 8.36% with no election.
After applying the allocation and proration procedures in the Merger Agreement, approximately 66.377% of each holder’s cash‑election shares will receive cash and 33.623% will receive stock, while all stock‑election and non‑election shares will receive stock. Needham estimates issuing approximately 5,944,350 shares of its common stock in the merger, with a pro forma total of approximately 45,770,800 shares outstanding as of November 12, 2025. The cash portion will be funded with cash on hand, and existing Needham shares remain unaffected.
NB Bancorp (NBBK) filed an 8-K/A to correct a typographical error in the previously reported proration results for its pending merger with Provident Bancorp. The amendment restates how stock and cash elections will be allocated at closing.
As outlined, the merger targets having 50% of Provident shares receive stock consideration. Of shares outstanding at the election deadline, 16.31% elected stock, 75.33% elected cash, and 8.36% made no election. After proration, 66.377% of each holder’s cash‑election shares will receive cash and 33.623% will receive stock, while all stock‑election and non‑election shares will receive stock.
Needham estimates issuing 5,944,350 shares of its common stock in the merger, leading to a pro forma total of about 45,770,800 shares outstanding as of November 12, 2025. The cash consideration will be funded with cash on hand. The Effective Time is expected at 12:01 a.m. (ET) on November 15, 2025.
NB Bancorp, Inc. (NBBK) outlined final election and proration results for its pending merger with Provident Bancorp, Inc., expected to be effective at 12:01 a.m. (ET) on November 15, 2025. The merger structure targets a mix where 50% of Provident shares receive stock consideration and the remainder receive cash consideration, per the agreement’s allocation procedures.
Holders elected approximately 16.31% for stock, 75.33% for cash, and 8.36% made no election. NB Bancorp estimates issuing about 5,944,350 shares in the transaction, with a pro forma total of approximately 45,770,800 shares outstanding as of November 12, 2025, after applying allocation and proration. Each existing NB Bancorp share remains outstanding. The cash portion of the consideration will be funded from NB Bancorp’s cash on hand.