NBBK

NB Bancorp, Inc.

Nasdaq· Savings Institutions, Not Federally Chartered· CIK 0001979330 Traditional Finance

$22.63 −0.38 (−1.65%)

Oct 27 4:00 PM ET · prev $23.01

Market cap

$1.0B

Small cap

Consensus

Buy

75% Buy or better · 8 analysts

Median target

🔒 Subscribers only

1 year

+25.3%

from $18.06 · Oct 28

30 days

+0.3%

from $22.56

52-week range

$17.74–23.32

−3% from high · low Nov 3

Avg volume 20D

270.1K

shares / day

Short interest

1.87M

≈4.3% of shares · +3.3%

Days to cover

9.3

at average volume

Insider net

+$672.1K

3 buyers · 1 seller · 12 mo

New fund stakes

Q2 2026 13F · 1 exit

Filing reports

analyzed by SecBot

SecBot read MIXED 1 report · 90 days

Balance 0 bearish · 0 bullish · 1 neutral oldest → newest, height = score

Avg score

·High conf. 1/1

Strongest NEUTRAL NB Bancorp reported Q3 2026 GAAP net income of $23.1M ($0.58 diluted EPS) and operating net income of $23.8M…

All reports →

Price

Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.

B Mar 6 to Mar 9 2 days of insider buys: $124.3K by 2 insiders, avg $20.72
B Mar 19 1 insider buy $50.4K at $20.16
R Apr 22 NB Bancorp reported Q1 2026 earnings with GAAP EPS of $0.36 (miss vs…
B Apr 24 2 insiders buy $437.9K at $19.46
B May 15 1 insider buy $57.5K at $19.18
S Aug 14 1 insider sell $45.9K at $22.93
B Aug 20 2 insiders buy $47.9K at $21.75
E Oct 15 Earnings: NBBK Q3 2026 Earnings: EPS $0.6 (+0.6% vs est)

Signal stack

Where each data set points today.

InsidersBULLISH

3 insiders bought $718.0K at an average $19.83. 1 insider sold $45.9K. Price is 14% above their cost.
InstitutionsBULLISH

Q2 2026: 17 added (0 new), 9 trimmed or exited.
AnalystsBULLISH

6 of 8 rate it Buy or better.
Short sellersSTEADY

Short interest +3.3% to 1.87M shares. 9.3 days to cover, ≈4.3% of shares.
TrendRANGE

1% above its 50-day average.

Who's buying

13F· Q2 2026

new positions

exit

Fund	Move	Shares	Value
DIMENSIONAL FUND ADVISORS LP	ADD	753,320	$15.9M
NEW YORK STATE COMMON RETIREMENT FUND	ADD	346,155	$7.3M
CITADEL ADVISORS LLC	DOUBLED	289,814	$6.1M
D. E. Shaw & Co., Inc.	DOUBLED	149,931	$3.2M
SEI INVESTMENTS CO	TRIM	142,346	$3.0M
UBS Group AG	ADD	140,405	$3.0M
RENAISSANCE TECHNOLOGIES LLC	TRIM	131,440	$2.8M
Qube Research & Technologies Ltd	TRIM	127,236	$2.7M

Quarterly 13F filings are due 45 days after each quarter ends.

The Street

8 analysts

Buy 75% rate it Buy or better

Strong Buy2Buy4Hold2Sell0Strong Sell0

Fresh Price Targets

Analyst price targets updated within the last 24 hours are for subscribers only.

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Recent actions

Date	Firm	Action	Rating
Oct 27, 2026	🔒 Fresh data, subscribers only MAINTAIN	MAINTAIN
Jul 28, 2026	Keefe, Bruyette & Woods MAINTAIN	MAINTAIN	Market Perform
Jul 23, 2026	Piper Sandler MAINTAIN	MAINTAIN	Overweight

Insider ledger

Form 4

$718.0K

bought · 3 insiders

$45.9K

sold · 1 insider

+14.1%

vs their $19.83 cost

Date	Insider	Type	Value
Aug 20, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$43.5K
Aug 20, 2026	Lapointe Jean-Pierre SEVP and CFO	BUY	$4.4K
Aug 14, 2026	Henkin Kevin EVP, Chief Credit Officer	SELL	$45.9K
May 15, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$4.7K
May 15, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$1.9K
May 15, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$4.9K
May 15, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$9.6K
May 15, 2026	CAMPANELLI JOSEPH P President & CEO	BUY	$14.7K

Earnings setup

Estimates

Revision history: 🔒 Fresh data, subscribers only

Period	EPS est.	Range	30D rev.	Revenue
Current Q	🔒 Fresh data, subscribers only
Next Q	🔒 Fresh data, subscribers only
Current FY	🔒 Fresh data, subscribers only
Next FY	🔒 Fresh data, subscribers only