NB Bancorp, Inc. (NBBK) Tax Rate (2022 - 2026)
NB Bancorp (NBBK) recorded Tax Rate of 23.17% in Q2 2026, up 1.06 percentage points from 22.12% a year earlier but down 3.20 percentage points from the prior quarter.
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Analysis
NB Bancorp, Inc. (NBBK) Tax Rate (2022 - 2026) Analysis & Trends
On a TTM basis, NB Bancorp's Tax Rate came in at 28.44% as of Jun 30, 2026, up 0.65 percentage points year-over-year; for FY2025, it came in at 29.28%, up 1.19 percentage points from FY2024.
- Annual Tax Rate has a three-year change of +11.91 percentage points (FY2022 to FY2025).
- Across earlier years, Tax Rate came in at 28.10% in FY2024 (+11.05 pp), 17.05% in FY2023 (-0.33 pp) and 17.38% in FY2022.
- Quarterly Tax Rate has ranged from 0.24% in Q4 2022 to 48.22% in Q4 2025 over the past five years.
- On a year-over-year basis, Tax Rate rose in four of the last eight quarters, with an average year-over-year change of +1.65 percentage points.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 32.21 percentage points in Q4 2023, against a drop of 22.45 percentage points in Q3 2025 at the low end.
- Per Business Quant, the preceding three quarters came in at 26.38% (Q1 2026), 48.22% (Q4 2025) and 23.04% (Q3 2025).
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Historic Data
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Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 23.17% |
| Mar 31, 2026 | 26.38% |
| Dec 31, 2025 | 48.22% |
| Sep 30, 2025 | 23.04% |
| Jun 30, 2025 | 22.12% |
| Mar 31, 2025 | 27.97% |
| Dec 31, 2024 | 19.01% |
| Sep 30, 2024 | 45.49% |
| Jun 30, 2024 | 20.04% |
| Mar 31, 2024 | 28.33% |
| Sep 30, 2023 | 26.81% |
| Jun 30, 2023 | 26.37% |
| Mar 31, 2023 | 26.95% |
| Dec 31, 2022 | 0.24% |
| Sep 30, 2022 | 27.16% |
API Access
NB Bancorp, Inc. Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=NBBK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "NBBK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=NBBK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();