Financials · Savings Institutions, Not Federally Chartered

NBBK NB Bancorp, Inc. SEC Filings & Insider Trading Activity 2026

company
CIK 197933068 filings
Russell 2000

NBBK at a glance

NB Bancorp, Inc. (NBBK, SEC CIK 1979330) filed its latest 10-K annual report on March 3, 2026, a 10-Q quarterly report on August 7, 2026, an 8-K current report on July 22, 2026 and Form 4 insider filings as recently as August 21, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), NB Bancorp, Inc. (NBBK) reported revenue of $335.7 million (up 14.8% from FY2024) and net income of $50.3 million. Diluted EPS was $1.34.
  • As of June 30, 2026, 30 institutional investment managers tracked by SignalX reported holding NB Bancorp, Inc. (NBBK) shares worth $234.2 million in 13F-HR filings.
  • The most recent insider open-market purchase reported on Form 4 was by Lapointe Jean-Pierre on August 20, 2026 of 200 shares at $21.80 per share.
  • In the last 90 days, NBBK insiders reported 2 open-market purchases ($48K) and 1 open-market sale ($46K) on Form 4, a net purchase of $2K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$335.7M
+14.8% vs prior year
Insiders · 90 days
2 buys · 1 sell
Net +$2K
13F holders
30 funds
$234.2M · +0 vs prior quarter
Latest 8-K
Jul 22, 2026
Item 2.02 · Item 7.01 · Item 8.01

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Core business: Banking and financial services focused on capital management and regulatory compliance
  • New emphasis on dividend payments tied to Federal Reserve Board supervisory policies and capital conservation buffer requirements
  • Strategic focus on stock repurchase programs, completing buyback of 4,163,808 shares (10% of outstanding stock) by July 15, 2025
  • No stock repurchases in Q4 2025, reflecting cautious capital deployment late in the fiscal year
  • Equity compensation plans limited to ESOP and 2025 Equity Incentive Plan with no additional unapproved plans

Risk Factors

  • Regulatory risk from compliance with the Bank Secrecy Act and oversight by the Office of the Comptroller of the Currency
  • Macroeconomic risk due to potential credit losses in commercial loan portfolio amid regional economic downturn exposure
  • Operational risk from dependence on third-party technology platforms for transaction processing and cyber security
  • Competitive risk from regional banks expanding digital offerings, increasing pressure on NB Bancorp’s customer retention
  • Financial risk from concentration in commercial real estate loans representing 45% of total loan portfolio

Management Discussion & Analysis

  • Acquisition of Provident added $1.40B total assets, $1.18B net loans, $1.14B deposits in Nov 2025
  • Issued 5.9M shares and paid $111.8M cash; acquisition transaction valued $226.5M
  • Net interest income key driver of results; noninterest income mainly customer fees, swaps, BOLI
  • No explicit revenue or profitability YoY figures disclosed in MD&A section provided

AI summary of the NBBK 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Risk Factors

  • Stock repurchase program completed May 13, 2026
  • Repurchases totaled 918,727 shares at average price $20.13
  • No defaults upon senior securities reported
  • No other information reported under Item 5

AI summary of the NBBK 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Jul 22, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Earnings announcement for quarter ended June 30, 2026
  • Full financial results contained in Exhibit 99.1 press release

Item 7.01: Regulation FD Disclosure

  • Investor presentation released July 22, 2026, ahead of the July 28, 2026 investor bank meeting
  • Exhibit 99.2 contains management’s presentation materials and may include updated strategy or operating commentary

Item 8.01: Other Events

  • Quarterly dividend of $0.07 per share declared by NB Bancorp’s Board
  • August 5, 2026 record date; payment scheduled for August 19, 2026

Item EX-99.1: Item EX-99.1

  • Q2 net income $21.1M, or $0.53 diluted EPS, versus $15.0M and $0.36 prior quarter
  • Net interest margin expanded to 4.00% from 3.93%, with loans up 3.4% and deposits up 3.7%
Filed May 21, 2026Full analysis →

Item 8.01: Other Events

  • Investor presentation released ahead of June 2, 2026 in-person bank meeting
  • Materials cover NB Bancorp operations and financial performance
Filed May 13, 2026Full analysis →

Item 8.01: Other Events

  • Completed third repurchase: 2,207,236 shares, approximately 5% of outstanding stock
  • Average repurchase price $20.96 per share, including commission and excise tax

AI summaries of NBBK 8-K current reports filed with the SEC. What 8-K item codes mean

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  • Fund moves. Which tracked funds opened, added or cut NBBK, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Lapointe Jean-PierreBuyAug 20, 2026$21.80
CAMPANELLI JOSEPH PBuyAug 20, 2026$21.75
Henkin KevinSellAug 14, 2026$22.93
CAMPANELLI JOSEPH PBuyMay 15, 2026$19.20
CAMPANELLI JOSEPH PBuyMay 15, 2026$19.17
CAMPANELLI JOSEPH PBuyMay 15, 2026$19.18
CAMPANELLI JOSEPH PBuyMay 15, 2026$19.16
CAMPANELLI JOSEPH PBuyMay 15, 2026$19.18

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$220.5M$292.5M$335.7M
Net Income$9.8M$42.1M$50.3M
Net Margin4.5%14.4%15.0%
Balance Sheet
Total Assets$4.5B$5.2B$7.0B
Equity-$765.2M$858.9M
ROE-5.5%5.9%
Per Share
EPS$0.23$1.07$1.34
Cash Flow
Operating CF$53.0M$43.2M$60.8M
CapEx$2.9M$1.9M$3.4M

Source: XBRL data in NB Bancorp, Inc. (NBBK)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate NBBK share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
NBBK shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202630$234.2M
Q1 202630$223.3M
Q4 202525$197.0M
Q3 202524$160.6M
Q2 202523$159.4M
Q1 202520$109.5M
Q4 202414$84.0M
Q3 202411$37.0M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
New Positions
None this quarter.
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 177 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

NBBK filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Aug 21, 2026--
4Aug 21, 2026--
4Aug 18, 2026--
10-QAug 7, 2026Analysis
8-KJul 22, 2026Analysis-
8-KMay 21, 2026Analysis
4May 18, 2026-
8-KMay 13, 2026Analysis
10-QMay 8, 2026Analysis
8-KApr 29, 2026Analysis-
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 27, 2026--
4Apr 24, 2026--
8-KApr 22, 2026Analysis-
4Mar 30, 2026--
4Mar 20, 2026--
4Mar 19, 2026--
4Mar 9, 2026--
4Mar 9, 2026--

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NBBK SEC filings: frequently asked questions

Are NBBK insiders buying or selling?

In the last 90 days, NB Bancorp, Inc. (NBBK) officers, directors and 10% owners reported 2 open-market purchases worth $47,860 by 2 insiders and 1 open-market sale worth $45,860 by 1 insider on Form 4, a net purchase of $2,000. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold NBBK stock?

As of June 30, 2026, the largest NB Bancorp, Inc. (NBBK) holders among the 13F filers tracked by SignalX were BlackRock ($70.4 million), Vanguard Capital Management LLC ($35.3 million), State Street Corp ($31.1 million), Dimensional Fund Advisors ($15.9 million), Goldman Sachs Group ($12.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was NBBK's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), NB Bancorp, Inc. (NBBK) reported revenue of $335.7 million (up 14.8% from FY2024) and net income of $50.3 million. Diluted EPS was $1.34. The figures come from the XBRL data in the 10-K.

What are the main risks in NBBK's latest 10-K?

In the 10-K filed March 3, 2026, NB Bancorp, Inc. (NBBK) flagged: Regulatory risk from compliance with the Bank Secrecy Act and oversight by the Office of the Comptroller of the Currency. Macroeconomic risk due to potential credit losses in commercial loan portfolio amid regional economic downturn exposure. (AI summary of the Risk Factors section.)

What did NBBK report in its latest 8-K?

NB Bancorp, Inc. (NBBK) filed an 8-K on July 22, 2026 reporting Item 2.02 (Results of Operations and Financial Condition), Item 7.01 (Regulation FD Disclosure) and Item 8.01 (Other Events). Earnings announcement for quarter ended June 30, 2026.

What are the latest NBBK SEC filings?

NB Bancorp, Inc. (NBBK) filed its latest 10-K annual report on March 3, 2026, a 10-Q quarterly report on August 7, 2026, an 8-K current report on July 22, 2026 and a Form 4 insider filing on August 21, 2026.

What is NBBK's SEC CIK number?

NB Bancorp, Inc. (NBBK)'s SEC Central Index Key (CIK) is 1979330. EDGAR lists every NBBK filing under that number.

Ask anything about NBBK

The research agent reads NBBK's filings, financials, insider trades and 13F holders, then answers with sources.