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NB Bancorp (NASDAQ: NBBK) retires 16% of IPO shares via buybacks

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

NB Bancorp, Inc. reported that it has completed its latest stock repurchase program. The company bought back 2,207,236 shares, about 5% of its then outstanding common stock, at an average price of $20.96 per share including commission and excise tax.

Across three programs since January 22, 2025, NB Bancorp has repurchased 6,371,044 shares, equal to 16% of the common shares issued in its initial public offering at the end of 2023, at a weighted average price of $19.25 per share. The company reported tangible book value per share of $18.00 as of March 31, 2026.

Positive

  • NB Bancorp has repurchased 6,371,044 shares, or 16% of the common shares issued in its 2023 IPO, signaling a significant capital return to shareholders through stock buybacks.

Negative

  • None.

Insights

NB Bancorp has retired 16% of IPO shares via buybacks, at prices modestly above tangible book.

NB Bancorp completed a repurchase of 2,207,236 shares, around 5% of its then outstanding stock, at an average price of $20.96. Cumulatively since its first program, it has bought back 6,371,044 shares, or 16% of the common shares issued in its late 2023 IPO, at $19.25 per share.

The filing also notes tangible book value per share of $18.00 as of March 31, 2026. That indicates repurchases have been executed at a premium to tangible book. The overall impact on shareholders depends on future profitability, capital needs, and how remaining capital compares to regulatory expectations.

Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Latest program repurchases 2,207,236 shares Shares repurchased under the completed stock repurchase program
Latest program average price $20.96 per share Average repurchase price including commission and excise tax
Latest program size 5% of outstanding shares Portion of then outstanding common stock repurchased
Cumulative repurchases 6,371,044 shares Total shares repurchased since January 22, 2025
Cumulative IPO share percentage 16% of IPO shares Portion of common shares issued in 2023 IPO repurchased
Cumulative average price $19.25 per share Weighted average price across three repurchase programs
Tangible book value per share $18.00 As of March 31, 2026
stock repurchase program financial
"On May 13, 2026, NB Bancorp, Inc. announced the completion of its stock repurchase program."
A stock repurchase program is when a company buys back its own shares from the market. This can make each remaining share more valuable and shows that the company believes its stock is a good investment. It’s like a business treating its shares like a limited resource, hoping to boost confidence and share prices.
tangible book value per share financial
"The Company’s tangible book value per share was $18.00 as of March 31, 2026."
Tangible book value per share is the company's total physical and financial assets minus its liabilities and intangible items (like goodwill and brand value), divided by the number of outstanding shares. It gives investors a conservative, per‑share estimate of what would remain if the business sold only its hard assets and paid its debts—useful for judging whether a stock is priced above or below its underlying, tangible worth, like valuing a property by its bricks and cash rather than its reputation.
initial public offering financial
"16% of its common shares that were issued in its initial public offering at the end of 2023"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
emerging growth company regulatory
"Emerging growth company"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
Understanding 8-K Material Events →
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K
CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF
THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): May 12, 2026

NB BANCORP, INC.

(Exact Name of Registrant as Specified in Charter)

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Maryland

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001-41899

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93-2560883

(State or Other Jurisdiction)

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(Commission File No.)

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(I.R.S. Employer

of Incorporation)

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Identification No.)

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1063 Great Plain Avenue, Needham, Massachusetts

02492

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(Address of Principal Executive Offices)

(Zip Code)

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Registrant’s telephone number, including area code: (781) 444-2100

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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Title of each class

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Trading
Symbol(s)

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Name of each exchange on which registered

Common Stock, Par Value $0.01 Per Share

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NBBK

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The Nasdaq Stock Market, LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 8.01 Other Events

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On May 13, 2026, NB Bancorp, Inc. (the “Company”) announced the completion of its stock repurchase program. Under the plan, the Company repurchased 2,207,236 shares, or approximately 5% of its then outstanding common stock. The shares were repurchased by the Company at an average price of $20.96 per share, including commission and excise tax.

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Since announcing its first stock repurchase program on January 22, 2025, through the completion of the third stock repurchase program, the Company has repurchased 6,371,044 shares, or 16% of its common shares that were issued in its initial public offering at the end of 2023, at a weighted average price of $19.25. The Company’s tangible book value per share was $18.00 as of March 31, 2026.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

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NB BANCORP, INC.

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DATE: May 13, 2026

By: 

/s/ Jean-Pierre Lapointe

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Jean-Pierre Lapointe

Senior Executive Vice President and Chief Financial Officer

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Source: View Original Filing on SEC EDGAR

FAQ

What did NB Bancorp (NBBK) announce in its latest 8-K filing?

NB Bancorp announced completion of its latest stock repurchase program. The company bought back 2,207,236 shares, about 5% of its then outstanding common stock, at an average price of $20.96 per share including commission and excise tax.

How many NB Bancorp shares were repurchased in the most recent program?

The most recent program repurchased 2,207,236 NB Bancorp shares. This represented approximately 5% of the company’s then outstanding common stock and was executed at an average price of $20.96 per share, including commission and excise tax costs.

How many NB Bancorp (NBBK) shares have been bought back across all programs?

Since January 22, 2025, NB Bancorp has repurchased 6,371,044 shares. This equals 16% of the common shares issued in its initial public offering at the end of 2023, at a weighted average repurchase price of $19.25 per share.

At what prices has NB Bancorp been repurchasing its stock?

In the latest program, NB Bancorp paid an average of $20.96 per share, including commission and excise tax. Across all three stock repurchase programs, the weighted average price was $19.25 per share for the 6,371,044 shares repurchased since early 2025.

What is NB Bancorp’s tangible book value per share after the buybacks?

NB Bancorp reported tangible book value per share of $18.00 as of March 31, 2026. This figure provides a balance sheet-based measure of value per share and can be compared with the average repurchase prices paid under the company’s stock buyback programs.

When did NB Bancorp (NBBK) start its stock repurchase programs?

NB Bancorp began its stock repurchase activity with its first program announced on January 22, 2025. Since that date, and through completion of the third program, the company has repurchased 6,371,044 shares, equal to 16% of shares issued in its 2023 IPO.

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