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Insider · CIK 0001222378

Joseph P Campanelli

ceopresidentofficerdirectorother

Files at NBBK (NB Bancorp, Inc.). First filing Mar 13, 2025, latest Aug 21, 2026.

In brief

Joseph P Campanelli files SEC Form 4 as CEO, president and director at NBBK (NB Bancorp, Inc.). Since Mar 13, 2025, Joseph P Campanelli has reported 8 open-market buys worth $557k and 0 open-market sells worth $0, the latest filed on Aug 21, 2026.

After Joseph P Campanelli's past buys, the stock trailed the S&P 500 by a median 5.5% over six months (n = 5), and 20% of those buys were ahead of the index at six months. InsiderTell labels that a negative record.

The newest scored trade: bought $44k of NBBK on Aug 20, 2026, filed Aug 21, 2026, scored 29 (weak). In the last 12 months: 6 buys worth $408k and 0 sells worth $0.

Track record
Negative
Past buys trailed the index over six months, median.
Median 6-month excess
-5.5%
after past buys, n = 5
Hit rate
20%
past buys that beat the index over 6 months
Open-market trades
8 / 0
$557k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

NBBK: NB Bancorp, Inc.

NBBKOct 12, 2026 · close 22.34

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
29Weak
NBBKbuy 2
NB Bancorp, Inc.
$44k
2,000 shares
+1%+32% from low-5% from high
36Weak
NBBKbuy
NB Bancorp, Inc.
$58k
3,000 shares
+1%+21% from low-15% from high
40Moderate
NBBKbuy 2
NB Bancorp, Inc.
$49k
2,500 shares
+1%+25% from low-12% from high
46Moderate
NBBKbuy 2
NB Bancorp, Inc.
$104k
5,000 shares
+11%+35% from low-6% from high
40Moderate
NBBKbuy 2
NB Bancorp, Inc.
$50k
2,500 shares
+1%+32% from low-8% from high
46Moderate
NBBKbuy 2
NB Bancorp, Inc.
$104k
5,000 shares
+11%+35% from low-6% from high
62Notable
NBBKbuy 2
NB Bancorp, Inc.
$114k
7,000 shares
+2%+3% from low-23% from high
39Weak
NBBKbuy 2
NB Bancorp, Inc.
$36k
2,000 shares
+4%-

Transactions

Every row this insider has filed, 30 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 20, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+2,000$21.75$44k379,790Aug 21, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+500$19.16$9,580375,290May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+133$19.17$2,550375,423May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+400$19.18$7,670375,823May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+100$19.18$1,918375,923May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+767$19.18$15k376,690May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+500$19.19$9,595377,190May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+253$19.20$4,858377,443May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+100$19.21$1,921377,543May 18, 2026
May 15, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+247$19.21$4,745377,790May 18, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
FTax withholding
Common Stock
-24,371$19.82$483k372,290Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+320$19.33$6,186372,610Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+180$19.34$3,481372,790Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+500$19.37$9,685373,290Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+722$19.45$14k374,012Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+178$19.46$3,464374,190Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+100$19.47$1,947374,290Apr 27, 2026
Apr 24, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+500$19.63$9,813374,790Apr 27, 2026
Mar 6, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stockindirect: By IRA
+2,000$20.78$42k47,000Mar 20, 2026
Mar 6, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stockindirect: As trustee for trust
+3,000$20.77$62k3,000Mar 20, 2026
Mar 19, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+2,500$20.16$50k396,661Mar 19, 2026
Mar 6, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stockindirect: By IRA
+2,000$20.78$42k47,000Mar 9, 2026
Mar 6, 2026NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stockindirect: As trustee for trust
+3,000$20.77$62k3,000Mar 9, 2026
Feb 25, 2026NBBK
NB Bancorp, Inc.
AGrant or award
Common Stock
+63,015$0.00$0394,161Feb 27, 2026
Jun 9, 2025NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+1,000$16.03$16k330,146Jun 10, 2025
Jun 9, 2025NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+100$16.33$1,633330,246Jun 10, 2025
Jun 9, 2025NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+900$16.35$15k331,146Jun 10, 2025
Jun 9, 2025NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stockindirect: By IRA
+5,000$16.29$81k45,000Jun 10, 2025
Apr 24, 2025NBBK
NB Bancorp, Inc.
AGrant or award
Common Stock
+274,146$0.00$0329,146Apr 28, 2025
Mar 11, 2025NBBK
NB Bancorp, Inc.
POpen-market purchase
Common Stock
+2,000$17.75$36k55,000Mar 13, 2025

Questions about Joseph P Campanelli

Answered from the filings on this page, as of the latest one.

Is Joseph P Campanelli buying or selling?

In the last 12 months Joseph P Campanelli reported 6 open-market buys worth $408k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $44k of NBBK on Aug 20, 2026. Grants, option exercises and tax withholding are not counted.

How did Joseph P Campanelli's past buys perform?

Measured from the first close after each filing, the stock trailed the S&P 500 by a median 5.5% over six months across 5 past buys, with 20% ahead of the index. Past results describe what happened; they do not predict the next trade.

Where does Joseph P Campanelli file Form 4?

Joseph P Campanelli has filed Form 4 at NBBK (NB Bancorp, Inc.) as President & CEO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Joseph P Campanelli: insider trades and track record | InsiderTell