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NBBK

NasdaqCMFinancial Services
NB Bancorp, Inc.
Latest filing · 2026-05-15 · scanner 11d behind
$0.0000
0.0%· 24h
Score
40
/ 100
Watching
3 triggers firing
C-suite buyFirst buy 12moSmall float
Market cap
$880.44M
Float
36.9M
84% of total
Shares out
43,846,451
Short % float
••••
Pro only
Days to cover
••••
Pro only
No price data yet — the yfinance scanner hasn't produced bars for NBBK.
AI briefPro — synthesised analysis of insider signals and filing context.
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Rule breakdown40 / 110 pts max
36% of maximum scoreSignalContext
Form 4 signals
Cluster buy
3+ distinct insiders with open-market buys in the last 30 days
–
pts
C-suite buy
CEO, CFO, Chair, or President made an open-market purchase
CAMPANELLI JOSEPH P — President & CEO
+20
pts
Large single buy
One open-market purchase exceeded the dollar threshold
–
pts
First buy in 12 months
An insider bought for the first time in the trailing 12 months
CAMPANELLI JOSEPH P
+15
pts
Net buying (90d)
Net (buys − sells) USD over the last 90 days is positive
–
pts
Context amplifiers
High short interest
Short interest as % of float exceeds the squeeze threshold
–
pts
Small float
Float is below the threshold — amplifies any accumulation signal
36.9M shares
+5
pts
High days-to-cover
DTC > threshold — shorts can't exit cleanly on a squeeze
–
pts
Volume spike
Most-recent day's volume was >2× the 20-day average
–
pts
TypeDateInsiderTitleSharesPriceValue
Buy2026-05-15
CAMPANELLI JOSEPH P
500$19.16$9.6K
Buy2026-05-15
CAMPANELLI JOSEPH P
133$19.17$2.5K
Buy2026-05-15
CAMPANELLI JOSEPH P
400$19.18$7.7K
Buy2026-05-15
CAMPANELLI JOSEPH P
100$19.18$1.9K
Buy2026-05-15
CAMPANELLI JOSEPH P
767$19.18$14.7K
4 more transactions on ProFull insider transaction history is a Pro feature.
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