Listed

NB Bancorp, Inc.

NBBKNasdaqCIK 1979330FinancialsFiscal year ends Dec 31

Revenue is not reported in this company’s XBRL financial statements.

Latest quarter: Q2 FY2026

Three months to Jun 30, 2026, against the same quarter a year earlier.

  • Revenuenot reported (Revenue not reported)No year-earlier figure to compare
  • Gross marginnot reported (Gross profit and Revenue not reported)No year-earlier figure to compare
  • Operating marginnot reported (Operating income and Revenue not reported)No year-earlier figure to compare
  • Net marginnot reported (Revenue not reported)No year-earlier figure to compare
  • Diluted EPS$0.53Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.53 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092573.Report this figure+35.9% on a year earlier
  • Free cash flow$31.3mFree cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $34.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Capital expenditure: $2.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Report this figure+19.9% on a year earlier

Last eight quarters

Full statements
Diluted EPS$0.53, Q2 FY2026
Free cash flow$31.3m, Q2 FY2026
NB Bancorp, Inc., key figures for the last eight quarters
Line itemUnitQ3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Shape over the periods
Revenue$mnot reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Gross margin%not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)
Operating margin%not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)
Net margin%not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Diluted EPS$ per share0.21Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.21 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-07, accession 0001104659-25-108388.Report this figurenot reported (Diluted EPS not reported)0.33Diluted EPS, Q1 FY2025, three months to 2025-03-31$0.33 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Report this figure0.39Diluted EPS, Q2 FY2025, three months to 2025-06-30$0.39 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092573.Report this figure0.43Diluted EPS, Q3 FY2025, three months to 2025-09-30$0.43 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-07, accession 0001104659-25-108388.Report this figurenot reported (Diluted EPS not reported)0.36Diluted EPS, Q1 FY2026, three months to 2026-03-31$0.36 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Report this figure0.53Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.53 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092573.Report this figure
Free cash flow$m8.4Free cash flow, Q3 FY2024, three months to 2024-09-30. operating cash flow − capital expenditureOperating cash flow: $8.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001104659-25-108388. Derived: 9-month figure less the 6-month figure.Capital expenditure: $219.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001104659-25-108388. Derived: 9-month figure less the 6-month figure.Report this figure20.7Free cash flow, Q4 FY2024, three months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $21.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-03, accession 0001104659-26-022367. Derived: 12-month figure less the 9-month figure.Capital expenditure: $558.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-03, accession 0001104659-26-022367. Derived: 12-month figure less the 9-month figure.Report this figure9.8Free cash flow, Q1 FY2025, three months to 2025-03-31. operating cash flow − capital expenditureOperating cash flow: $9.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Capital expenditure: $108.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Report this figure26.1Free cash flow, Q2 FY2025, three months to 2025-06-30. operating cash flow − capital expenditureOperating cash flow: $27.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Capital expenditure: $949.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Report this figure23.9Free cash flow, Q3 FY2025, three months to 2025-09-30. operating cash flow − capital expenditureOperating cash flow: $24.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001104659-25-108388. Derived: 9-month figure less the 6-month figure.Capital expenditure: $304.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001104659-25-108388. Derived: 9-month figure less the 6-month figure.Report this figure(2.5)Free cash flow, Q4 FY2025, three months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: −$440.0k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-03, accession 0001104659-26-022367. Derived: 12-month figure less the 9-month figure.Capital expenditure: $2.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-03, accession 0001104659-26-022367. Derived: 12-month figure less the 9-month figure.Report this figure25.3Free cash flow, Q1 FY2026, three months to 2026-03-31. operating cash flow − capital expenditureOperating cash flow: $27.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Capital expenditure: $2.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001104659-26-057822.Report this figure31.3Free cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $34.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Capital expenditure: $2.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092573. Derived: 6-month figure less the 3-month figure.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Last five fiscal years

Diluted EPS$1.34, FY2025
Free cash flow$57.4m, FY2025
NB Bancorp, Inc., key figures for the last five fiscal years
Line itemUnitFY2022-12-31FY20232023-12-31FY20242024-12-31FY20252025-12-31Shape over the periods
Revenue$mnot reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Gross margin%not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)not reported (Gross profit and Revenue not reported)
Operating margin%not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)not reported (Operating income and Revenue not reported)
Net margin%not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)not reported (Revenue not reported)
Diluted EPS$ per sharenot reported (Diluted EPS not reported)0.23Diluted EPS, FY2023, twelve months to 2023-12-31$0.23 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure1.07Diluted EPS, FY2024, twelve months to 2024-12-31$1.07 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure1.34Diluted EPS, FY2025, twelve months to 2025-12-31$1.34 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure
Free cash flow$m31.2Free cash flow, period not labelled, twelve months to 2022-12-31. operating cash flow − capital expenditureOperating cash flow: $39.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-07, accession 0001558370-25-002457.Capital expenditure: $8.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-07, accession 0001558370-25-002457.Report this figure50.0Free cash flow, FY2023, twelve months to 2023-12-31. operating cash flow − capital expenditureOperating cash flow: $52.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-03, accession 0001104659-26-022367.Capital expenditure: $2.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure41.3Free cash flow, FY2024, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $43.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-03, accession 0001104659-26-022367.Capital expenditure: $1.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure57.4Free cash flow, FY2025, twelve months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: $60.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-03, accession 0001104659-26-022367.Capital expenditure: $3.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-03, accession 0001104659-26-022367.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Insider purchases and sales

All insider transactions

The last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.

No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.

No open-market purchases or sales by insiders are in coverage for this company.

Funds that report holding it

All funds

From each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.

Funds that report holding NB Bancorp, Inc.
FundQuarter endedReported valueSharesPut or callChange on the quarter before
BlackRock, Inc.2026-06-30$70.4m3,331,544Added+247,322
VANGUARD CAPITAL MANAGEMENT LLC2026-06-30$35.3m1,670,835Reduced−33,093
AltraVue Capital, LLC2026-06-30$35.0m1,655,108Added+351,028
Pertento Partners LLP2026-06-30$31.2m1,475,770Reduced−730,896
STATE STREET CORP2026-06-30$31.1m1,471,766Added+178,228
GEODE CAPITAL MANAGEMENT, LLC2026-06-30$24.4m1,153,217Added+54,287
DIMENSIONAL FUND ADVISORS LP2026-06-30$15.9m753,320Added+230,936
GOLDMAN SACHS GROUP INC2026-06-30$12.1m571,954Reduced−119,714
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC2026-06-30$10.6m501,172Added+50,400
Nuveen, LLC2026-06-30$10.5m498,869Added+10,836

Recent filings

All 245 filings

Reports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.

NB Bancorp, Inc., recent filings
FiledFormWhat it isAccession number
2026-10-1520:15 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits0001104659-26-116250
2026-08-0717:01 ET10-QQuarterly reportPeriod 2026-06-300001104659-26-092573
2026-07-2220:30 ET8-K2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits0001104659-26-085826
2026-05-2115:30 ET8-K8.01 Other events; 9.01 Financial statements and exhibits0001104659-26-064982
2026-05-1318:00 ET8-K8.01 Other events0001104659-26-060111
2026-05-0819:01 ET10-QQuarterly reportPeriod 2026-03-310001104659-26-057822
2026-04-2919:00 ET8-K5.07 Shareholder vote results0001104659-26-051401
2026-04-2220:33 ET8-K2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits0001104659-26-046868
2026-03-2714:30 ETDEF 14AProxy statementPeriod 2026-04-290001104659-26-035829
2026-03-0322:33 ET10-KAnnual reportPeriod 2025-12-310001104659-26-022367

Latest annual report

Form 10-K for the fiscal year ended Dec 31, 2025Filed Mar 3, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.

Forecast league

Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league

About the filer

CIK
1979330
Tickers
NBBK
Exchange
Nasdaq
SIC code
6036 Savings Institutions, Not Federally Chartered
Sector
Financials
Fiscal year ends
Dec 31
Incorporated in
not reported
Filer category
<br>Emerging growth company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:50 ET. Listed shows no prices and gives no investment advice.