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. director Mark Whalen reported routine share movements related to compensation and holdings. The Form 4 shows a tax-withholding disposition of 4,918 shares of common stock at $19.82 per share, used to satisfy tax obligations rather than an open-market sale. After this transaction, Whalen directly owns 72,721 common shares. He also indirectly holds 30,000 shares as trustee for a trust. Footnotes indicate his position includes restricted stock that vests 20% per year starting on April 24, 2026, and another grant that vests 100% on January 2, 2027, reflecting ongoing equity-based compensation.
NB Bancorp, Inc. director Joseph R. Nolan Jr. reported a tax-related share disposition. On April 24, 2026, he transferred 4,918 shares of common stock at $19.82 per share to cover tax obligations by delivering shares, rather than selling them on the open market.
After this tax-withholding disposition, he directly holds 82,821 shares of NB Bancorp common stock. These holdings include restricted stock that is scheduled to vest 20% per year starting on April 24, 2026, and additional restricted shares that vest 100% on January 2, 2027.
NB Bancorp, Inc. director Kenneth C. Montgomery reported a tax-withholding disposition of 5,015 shares of common stock at $19.82 per share on April 24, 2026. The shares were delivered to cover tax obligations related to equity awards rather than sold in the open market.
After this transaction, Montgomery directly holds 80,125 shares, including restricted stock that vests 100% on January 2, 2027 and additional restricted shares vesting 20% per year starting April 24, 2026.
NB Bancorp, Inc. director Christopher R. Lynch reported routine share updates, including a tax-related share disposition. On April 24, 2026, 4,150 shares of common stock were disposed of at $19.82 per share to cover tax obligations, a non-market “F” code transaction. After this, he held 92,772 common shares directly and 60,000 shares indirectly through an IRA. Footnotes note that his holdings include restricted stock that vests 20% per year starting April 24, 2026 and additional restricted stock vesting 100% on January 2, 2027.
NB Bancorp, Inc. Senior Executive Vice President and Chief Operating Officer Christine Roberts reported a tax-related share disposition on Common Stock. On April 24, 2026, 3,589 shares were used to satisfy tax obligations at a price of $19.82 per share, a non–open-market event. After this withholding, she holds 71,081 shares directly, 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. director Hope Pascucci reported open-market purchases of company stock. On April 24, 2026, Pascucci bought 10,000 common shares at $19.4889 per share and another 10,000 shares at $19.4392 per share.
After these transactions, Pascucci directly holds 142,402 common shares and indirectly holds 80,000 shares through a spouse. The reported holdings include restricted stock that vests 20% per year starting April 24, 2026 and a separate restricted grant vesting 100% on January 2, 2027.
NB Bancorp, Inc., holding company for Needham Bank, reported strong first quarter 2026 results. Net income was $15.0 million, or $0.36 per diluted share, up from $7.7 million, or $0.19, in the prior quarter. Operating net income was $15.8 million, or $0.38 per diluted share, compared with $21.2 million, or $0.51, as prior-quarter results included larger non-recurring items.
Total revenue reached $69.4 million, driven by net interest income of $64.9 million, up 10.4% from the prior quarter, while net interest margin edged up to 3.94%. The provision for credit losses swung to an expense of $6.3 million from a prior release, and noninterest expense declined to $42.7 million from $49.3 million.
Total assets were $7.23 billion, with loans of $6.21 billion and deposits of $6.10 billion as of March 31, 2026. Asset quality metrics remained solid, with non-performing loans at 0.73% of total loans and allowance for credit losses of $80.2 million. The Board declared a quarterly cash dividend of $0.07 per share, payable May 20, 2026 to shareholders of record on May 6, 2026, and approved an Executive Annual Incentive Plan providing senior executives with performance-based annual cash awards up to 125% of target.
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.