NB Bancorp Inc (Ticker: NBBK US) is a United States-based bank holding company for Needham Bank. Needham Bank, headquartered in Needham, Massachusetts, offers a range of financial products and services and is known as the "Builder's Bank."

NB Bancorp Inc is set to list on the NASDAQ Capital Market on December 28, 2023. The company is offering 34.50 million shares at a price of USD 10.00 per share, with a total offer size of USD 345.00 million. Piper Sandler & Co is managing the offering.

NB Bancorp Inc has completed its initial public offering as part of its transition from a mutual holding company to a stock holding company. The company sold 40,997,500 shares in the offering and contributed 1,708,229 shares and USD 2.0 million in cash to the Needham Bank Charitable Foundation, Inc. Legal counsel for the company and the bank is provided by Luse Gorman, PC, while Goodwin Procter LLP acted as legal counsel to Piper Sandler & Co in the offering.