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, Inc. executive Matthew G. Schulman, EVP and President of Needham Private Bank, reported an acquisition of 6,980 shares of common stock as a stock grant. The award was recorded at $0.00 per share, reflecting compensation rather than an open-market purchase.
The filing shows Schulman now directly holds 6,980 common shares, all from this grant. According to the footnote, these restricted shares vest in installments of 33 1/3% per year, beginning on March 9, 2027, which means the award becomes fully vested over three years.
NB Bancorp, Inc. officer Matthew G. Schulman filed an initial Form 3 reporting his ownership of the company’s common stock. As EVP and President of Needham Private Bank, he reports 0 shares of Common Stock beneficially owned directly following this filing, indicating no current equity holdings.
NB Bancorp Inc Schedule 13G/A: The Vanguard Group amended its beneficial ownership filing to report 0 shares of Common Stock and 0% ownership following an internal realignment. The amendment states certain Vanguard subsidiaries now report separately per SEC Release No. 34-39538 (January 12, 1998). Filing signed by Ashley Grim on 03/27/2026.
NB Bancorp, Inc. is asking stockholders to elect five directors and ratify its independent auditor at the April 29, 2026 annual meeting. Stockholders of record on March 6, 2026 can vote, with 45,165,174 common shares outstanding, each entitled to one vote subject to a 10% ownership voting cap.
Since its IPO two years ago, the company raised over $400 million and expanded its balance sheet by $2.5 billion, including the 2025 acquisition of Provident Bancorp, Inc. Total assets reached $7.00 billion as of December 31, 2025, with core deposits up 37.5% and strong organic loan and deposit growth alongside the acquired balances.
For 2025, operating net income was $66.7 million versus $45.5 million in 2024, and GAAP net income was $51.1 million versus $42.1 million. Net interest income rose to $197.9 million, helped by net interest margin expansion from 3.48% to 3.79%. Noninterest income increased to $16.4 million, while noninterest expense rose to $137.8 million, including merger-related costs.
The board highlights a largely independent director group, a lead independent director structure, and committees overseeing audit, enterprise risk, compensation and governance. Executive pay is positioned as performance-based, with 2025 restricted stock awards under the shareholder-approved 2025 Equity Incentive Plan and bonus metrics tied to financial and strategic results.
NB Bancorp, Inc. President, CEO and Chairman Joseph P. Campanelli reported open-market share purchases. On March 6, 2026, he bought 5,000 shares of common stock in total, including 2,000 shares through an IRA at $20.78 per share and 3,000 shares as trustee for a trust at $20.77 per share.
Following these transactions, the IRA held 47,000 shares and the trust held 3,000 shares. Separate holding entries show 394,161 shares held directly, 49,597 shares indirectly through a 401(k), and 3,677 shares indirectly through an ESOP as of that date. Footnotes state the direct holdings include restricted stock vesting 20% per year starting April 24, 2026 and 33 1/3% per year starting February 25, 2027.
NB Bancorp, Inc.’s President & CEO and Chairman Joseph P. Campanelli reported an open-market purchase of 2,500 shares of common stock at $20.16 per share. This buy on March 19, 2026 brought his direct holdings to 396,661 shares.
He also reports indirect ownership of common stock, including 47,000 shares held by an IRA, 49,597 shares held by a 401(k), 3,677 shares held by an ESOP, and 3,000 shares held as trustee for a trust. The filing notes that his reported holdings include restricted stock scheduled to vest in tranches beginning on April 24, 2026 and February 25, 2027.
NB Bancorp, Inc. President, CEO and Chairman Joseph P. Campanelli reported indirect open‑market purchases of a total of 5,000 shares of common stock on March 6, 2026. An IRA associated with him bought 2,000 shares at $20.78 per share, and a trust for which he serves as trustee bought 3,000 shares at $20.77 per share.
Following these trades, the IRA held 47,000 shares and the trust held 3,000 shares. Separate reported holdings show additional direct and indirect common stock positions, including restricted stock that vests 20% per year starting April 24, 2026 and 33 1/3% per year starting February 25, 2027.
NB Bancorp, Inc. Senior Executive Vice President and CFO Jean-Pierre Lapointe reported an open-market purchase of 1,000 shares of common stock at $20.42 per share. Following this transaction, he directly owns 110,331 shares, and also has indirect holdings through a 401(k) plan and an ESOP. Footnotes note that part of his holdings are restricted stock that vest over several years.
NB Bancorp’s annual report highlights rapid balance sheet growth driven by a major acquisition and continued commercial expansion. In November 2025 the company acquired Provident Bancorp and BankProv for $111.8 million in cash plus 5,943,682 shares valued at $114.7 million, adding about $1.40 billion of assets, $1.18 billion of loans and $1.14 billion of deposits and recording $18.5 million of goodwill.
Total loans reached $5.99 billion, with 40.7% in commercial real estate and multifamily, 22.2% in residential, 16.8% in commercial and industrial, 12.2% in construction and land development, and 4.7% in mortgage warehouse loans. The bank operates a broad New England footprint, including new northern Massachusetts and southern New Hampshire branches, and focuses on structured finance, cannabis-related and solar lending, and warehouse lines to non‑bank mortgage originators.
Credit risk metrics show higher concentrations and rising problem loans. Commercial real estate, as defined by regulatory guidance, equaled 314.1% of consolidated risk‑based capital, and construction, land development and other land loans were 91.6% of capital. Non‑accrual loans increased to $43.4 million, or 0.72% of total loans. The allowance for credit losses grew to $87.4 million, or 1.46% of loans, reflecting portfolio growth, CRE concentration and a more conservative credit outlook.