NBBK NB Bancorp (NBBK) Insider Trading, Ownership & Congress Trades
Banks · Savings institutions, not federally chartered · CIK 0001979330
C-suite buying · 2
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
81
13F, latest reported quarter
What the filings say about NBBK
Insiders, 180 days
+$59.5K net bought
2 buyers · 1 seller · 0% of sales under a 10b5-1 plan
NB Bancorp insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, NB Bancorp, Inc. insiders bought a net $59.5K of stock across 84 Form 4 purchases and sales, with 2 insiders buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (5 buys), the last on Mar 9, 2026.
- +4.4% median (+2.6% mean) 90-day return after 5 previous buys.
- The trade is 0.2% of the 110,531 shares held after it.
- 1 other insider bought within 30 days.
- 81 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SEVP and CFO Lapointe Jean-Pierre bought about $4.4K of NBBK on Aug 20, 2026; 1 other insider bought within 30 days and 81 funds added in the latest 13F quarter.Context
- 39 earlier Form 4 trades (code P or S) here by this insider (39 buys), the last on May 15, 2026.
- +9.3% median (+8.8% mean) 90-day return after 11 previous buys.
- The trade is 0.5% of the 379,790 shares held after it.
- 1 other insider bought within 30 days.
- 81 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & CEO CAMPANELLI JOSEPH P bought about $43.5K of NBBK on Aug 20, 2026; 1 other insider bought within 30 days and 81 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 29.1% of the 6,874 shares held after it.
- No other insider sold within 30 days.
- 81 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: EVP, Chief Credit Officer Henkin Kevin sold about $45.9K of NBBK on Aug 14, 2026, the largest insider sale at the company on our record; 81 funds added in the latest 13F quarter.Context
- 30 earlier Form 4 trades (code P or S) here by this insider (30 buys), the last on Apr 24, 2026.
- +8.9% median (+7.7% mean) 90-day return after 10 previous buys.
- The trade is 0.1% of the 377,790 shares held after it.
- 1 other insider bought within 30 days.
- 81 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & CEO CAMPANELLI JOSEPH P bought about $4.7K of NBBK on May 15, 2026; 1 other insider bought within 30 days and 81 funds added in the latest 13F quarter.Context
- 30 earlier Form 4 trades (code P or S) here by this insider (30 buys), the last on Apr 24, 2026.
- +8.9% median (+7.7% mean) 90-day return after 10 previous buys.
- The trade is 0.0% of the 375,923 shares held after it.
- 1 other insider bought within 30 days.
- 81 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & CEO CAMPANELLI JOSEPH P bought about $1.9K of NBBK on May 15, 2026; 1 other insider bought within 30 days and 81 funds added in the latest 13F quarter.84 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net +$59.5K over 180 days
+$2.0K over 90 days
more than 81% of Banks
Congress
no House purchase disclosed in the last 12 months
Funds
81 funds bought in last quarter
below 58% of Banks
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
$46.3M repurchased, FY to 2026-06-30
more than 76% of Banks
Short interest
5.0% of the float short (float per yahoo 2026-10-27) · 9.3 days to cover · settled 2026-10-15
more than 70% of Banks
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch NBBK
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+27.7%12M
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns NBBK: institutional holders (13F)
13F holdings, latest reported quarter
3,331,544 sh
$70.4M
1,670,835 sh
$35.3M
1,655,108 sh
$35.0M
1,475,770 sh
$31.2M
1,471,766 sh
$31.1M
Congress trades in NBBK
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
NBBK planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
NBBK mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Hennessy Small Cap Financial Fund
$4.1M position · as of 2026-07-31
5.3%
First Trust Dow Jones Select MicroCap Index Fund
$2.7M position · as of 2026-06-30
1.0%
Federated Hermes MDT Small Cap Value Fund f/k/a Federated Hermes Clover Small Value Fund
$950.2K position · as of 2026-06-30
0.5%
ACUITAS US MICROCAP FUND
$570.6K position · as of 2026-06-30
0.5%
AUER GROWTH
$320.5K position · as of 2026-05-31
0.4%
First Trust NASDAQ ABA Community Bank Index Fund
$333.0K position · as of 2026-06-30
0.4%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $59.5K bought by insiders over 180 days, 81 funds added last quarter. Each figure is a federal filing, dated the day it went public.
NBBK financials
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
fewer than four consecutive quarters of revenue filed
Revenue, TTM NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Single quarter
Net margin, TTM
n/a
needs four consecutive quarters of both revenue and net income
Net margin, TTM NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Single quarter
Free cash flow, TTM
$78.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM NBBK
| FY Dec 2025 | $57.4M |
| FY Dec 2024 | $41.2M |
| FY Dec 2023 | $50.0M |
| FY Dec 2022 | n/a |
| Jun 2026 | $31.3M |
| Mar 2026 | $25.3M |
| Dec 2025 | -$2.5M |
| Sep 2025 | $23.9M |
| Jun 2025 | $26.1M |
| Mar 2025 | $9.8M |
| Dec 2024 | $20.7M |
| Sep 2024 | $8.4M |
At each fiscal year end
Single quarter
Debt to equity
n/a
no debt line filed
Debt to equity NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
n/a
no debt line filed
Cash flow to debt NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
+7.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity NBBK
| FY Dec 2025 | +6.2% |
| FY Dec 2024 | +5.5% |
| FY Dec 2023 | +1.8% |
| FY Dec 2022 | +9.0% |
| Jun 2026 | +7.5% |
| Mar 2026 | +6.7% |
| Dec 2025 | +6.2% |
| Sep 2025 | +7.8% |
| Jun 2025 | +7.0% |
| Mar 2025 | +6.3% |
| Dec 2024 | +5.5% |
| Sep 2024 | +2.3% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
+0.9%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets NBBK
| FY Dec 2025 | +0.8% |
| FY Dec 2024 | +0.9% |
| FY Dec 2023 | +0.2% |
| FY Dec 2022 | +0.8% |
| Jun 2026 | +0.9% |
| Mar 2026 | +0.8% |
| Dec 2025 | +0.8% |
| Sep 2025 | +1.1% |
| Jun 2025 | +1.0% |
| Mar 2025 | +0.9% |
| Dec 2024 | +0.9% |
| Sep 2024 | +0.3% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
fewer than four consecutive quarters of operating income
Return on invested capital NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
n/a
fewer than four consecutive quarters of operating income
Return on capital employed NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
15.14x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing NBBK
| FY Dec 2025 | 14.68x |
| FY Dec 2024 | 16.88x |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | 13.90x |
| Mar 2026 | 15.27x |
| Dec 2025 | 14.68x |
| Sep 2025 | 11.39x |
| Jun 2025 | 13.43x |
| Mar 2025 | 15.31x |
| Dec 2024 | 16.88x |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
n/a
no debt line filed
Enterprise value NBBK
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+7.7%
TTM free cash flow over market value at close 2026-10-26
FCF yield NBBK
| FY Dec 2025 | +7.3% |
| FY Dec 2024 | +5.3% |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | +8.3% |
| Mar 2026 | +7.6% |
| Dec 2025 | +7.3% |
| Sep 2025 | +11.5% |
| Jun 2025 | +9.0% |
| Mar 2025 | +8.3% |
| Dec 2024 | +5.3% |
| Sep 2024 | +4.2% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
1.06x
P/E over trailing EPS growth of 14%: four quarters to 2026-06-30 against the four to 2025-06-30
PEG, trailing NBBK
| FY Dec 2025 | 0.56x |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| Jun 2026 | 0.97x |
| Mar 2026 | 0.90x |
| Dec 2025 | 0.56x |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Net income | $50.3M | $42.1M | $9.8M | $30.1M |
| EPS (diluted) | 1.34 | 1.07 | 0.23 | n/a |
| Operating cash flow | $60.8M | $43.2M | $52.9M | $39.7M |
| Buybacks | $77.1M | n/a | n/a | n/a |
| Dividends paid | $5.6M | n/a | n/a | n/a |
SEC XBRL, fiscal years, as known on 2026-10-28
NBBK Stock Sonar score 4/7 axes
Find similar shapesCompareNBBK ranks highest on insider conviction (76th percentile) and institutional and government (42nd), and lowest on risk and compliance (30th), among Banks peers.
4 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
NBBK filings, in plain words
Are NB Bancorp insiders buying or selling NBBK?
In the 180 days to 2026-10-28, NB Bancorp insiders were net buyers, a net $59.5K: $105.4K of purchases and $45.9K of sales reported on Form 4, by 2 buyers and 1 seller.
Read the full summary
In the 180 days to 2026-10-28, NB Bancorp insiders were net buyers of NBBK, a net $59.5K across purchases and sales reported on Form 4 by 2 buyers and 1 seller. 2 different insiders reported purchases within the last 90 days, a cluster buy, which is rarer than a single purchase. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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