The page is the record's research on the issuer — no analyst, no rating, no view.

# NB Bancorp, Inc. (NASDAQ: NBBK) — research page

As of 2026-11-08 · us-cm-kg · record version 1

## Identity and listing

The issuer is NB Bancorp, Inc., listed on NASDAQ under the ticker NBBK, with ISIN US63945M1071. The LEI is not on the record. The security type is Corporate, the sector is 6036 Savings Institutions, Not Federally Chartered, and the segment and jurisdiction are not on the record. The issuer is listed and not halted.

## The disclosure read

The record holds 79 filings across 37 filing days in the twelve months to 2026-11-08. The median gap between filing days is 5.5 days, against a NASDAQ median of 6.0 days and a sector median of 6.5 days. The median latency from filing to record date is 2 days, against a NASDAQ median of 5.0 days and a sector median of 2.0 days. The latest filing is dated 2026-11-06 and is of type corporate_news.

## Auditor

The auditor is not on the record, because the latest annual report cover carries no auditor name tag. The auditor location is not on the record. The record holds no auditor changes.

## Events and halts

The record holds no listing, delisting, name change, or segment move entries. The domicile change is not on the record. The issuer is listed and not halted.

## Orderability

The outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, because the chapter's orderability section names no client categories. The chapter is as of 2026-11-04.

## Coverage

No research houses were found on the issuer's investor-relations pages read.

## Open research

No openly published research notes were found on the record.

## Licensed

Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.

## As-of depth

The sealed years holding the issuer are 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.

## Sources

7 source pages are named on this page; every value above carries its own source page and read date in the numbers.

- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- https://data.sec.gov/submissions/CIK0001979330.json (identity.name)
- https://mcp.us-cm-kg.ai/events/NASDAQ/NBBK (the disclosure lines)
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.us-cm-kg.ai/record/NASDAQ/NBBK (the record)

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