NB Bancorp, Inc. Common Stock (NBBK) Stock Price History
Historical prices from 2023 to 2026
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NBBK Historical Performance
Short-Term Returns
NBBK Stock Price Trajectory (2023–2026)
As of May 8, 2026, NB Bancorp, Inc. Common Stock (NBBK) trades at $20.33, representing a +16.8% return over the past year. The stock has delivered a +49.7% total return over five years (+8.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $22.86 on April 17, 2026. From this peak, NBBK has corrected -11.1%, currently trading 3% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers NBTB (+5.6% 1Y), INDB (+28.7% 1Y), and EGBN (+45.6% 1Y), NBBK has underperformed the peer group average. Compare NBBK vs NBTB →
NBBK Historical Price Data (2025–2026)
Showing 30 of 592 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 20.49 | 20.71 | 20.27 | 20.33 | 300K | -0.72% |
| 2026-05-06 | 20.35 | 20.59 | 20.13 | 20.48 | 514K | +1.64% |
| 2026-05-05 | 19.88 | 20.21 | 19.85 | 20.15 | 103K | +1.51% |
| 2026-05-04 | 19.75 | 20.16 | 19.63 | 19.85 | 367K | -0.40% |
| 2026-05-01 | 19.64 | 20.03 | 19.50 | 19.93 | 353K | +1.53% |
| 2026-04-30 | 19.44 | 19.88 | 19.44 | 19.63 | 391K | +0.36% |
| 2026-04-29 | 19.80 | 19.90 | 19.46 | 19.56 | 370K | -2.10% |
| 2026-04-28 | 20.17 | 20.30 | 19.73 | 19.98 | 350K | +0.55% |
| 2026-04-27 | 19.66 | 20.06 | 19.65 | 19.87 | 674K | +0.25% |
| 2026-04-24 | 18.88 | 19.83 | 18.88 | 19.82 | 1.02M | +3.44% |
| 2026-04-23 | 18.53 | 19.91 | 18.51 | 19.16 | 1.04M | -10.68% |
| 2026-04-22 | 21.62 | 21.77 | 21.34 | 21.45 | 269K | -0.63% |
| 2026-04-21 | 22.17 | 22.36 | 21.52 | 21.59 | 332K | -2.99% |
| 2026-04-20 | 22.50 | 22.59 | 22.21 | 22.25 | 211K | -1.11% |
| 2026-04-17 | 22.58 | 22.86 | 22.38 | 22.50 | 419K | +1.12% |
| 2026-04-16 | 22.28 | 22.53 | 22.18 | 22.25 | 153K | -0.85% |
| 2026-04-15 | 22.59 | 22.59 | 22.27 | 22.44 | 170K | -0.41% |
| 2026-04-14 | 22.34 | 22.64 | 22.11 | 22.53 | 265K | +0.81% |
| 2026-04-13 | 22.23 | 22.38 | 22.14 | 22.35 | 307K | -0.22% |
| 2026-04-10 | 22.60 | 22.75 | 22.25 | 22.40 | 198K | -1.06% |
| 2026-04-09 | 21.89 | 22.67 | 21.89 | 22.64 | 326K | +2.03% |
| 2026-04-08 | 22.41 | 22.49 | 22.11 | 22.19 | 258K | +1.56% |
| 2026-04-07 | 21.73 | 21.90 | 21.65 | 21.85 | 175K | +0.09% |
| 2026-04-06 | 21.62 | 21.89 | 21.54 | 21.83 | 134K | +1.02% |
| 2026-04-02 | 21.16 | 21.62 | 21.04 | 21.61 | 155K | +1.69% |
| 2026-04-01 | 21.07 | 21.48 | 20.77 | 21.25 | 233K | +0.85% |
| 2026-03-31 | 20.98 | 21.14 | 20.75 | 21.07 | 241K | +1.89% |
| 2026-03-30 | 20.69 | 20.73 | 20.48 | 20.68 | 174K | +1.37% |
| 2026-03-27 | 20.60 | 20.64 | 20.25 | 20.40 | 202K | -1.88% |
| 2026-03-26 | 20.54 | 20.85 | 20.54 | 20.79 | 206K | +0.43% |
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Start ComparisonNBBK — Frequently Asked Questions
Quick answers to the most common questions about buying NBBK stock.
How has NBBK stock performed recently?
NBBK returned +16.8% over the past year, beating its 5-year annualized CAGR of +8.1%. The stock trades above its 200-day moving average, confirming the uptrend.
What is NBBK's all-time high price?
NB Bancorp, Inc. Common Stock reached $22.86 on 2026-04-17. The 52-week high is $22.86. Current 1-year return of +16.8% places the stock closer to historical peaks.
Where can I download NBBK historical price data?
This page provides NBBK daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2023-2026, downloadable in CSV format.