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8-K ·Filed May 13, 2026

NBBK

NB Bancorp, Inc.
NEUTRAL
Impact 2/10
Horizondays Processed5mo ago SEC0001104659-26-060111
8-K context-dependent: Items 8.01
Actionable Insight • Neutral

The completion of the buyback program removes a source of demand for the stock. Monitor for any new repurchase authorization or upcoming earnings for future direction.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
NBBK ▲ +14.50% at T+60d
NEUTRAL call +14.50% · α vs SPY +10.07% · entry $19.72 → $22.58
Entry = T+0 close
May 13, 2026
via day close
T+1d
-0.51%
call -0.51% · α -1.28%
$19.62
settled 6mo ago
T+5d
+0.66%
call +0.66% · α +0.80%
$19.85
settled 5mo ago
T+20d
+3.65%
call +3.65% · α +4.26%
$20.44
settled 5mo ago
T+60d
+14.50%
call +14.50% · α +10.07%
$22.58
settled 3mo ago

Price Chart

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Executive Summary

NB Bancorp announced the completion of its stock repurchase program, having repurchased 2,207,236 shares (5% of outstanding) at an average price of $20.96. Since January 2025, the company has repurchased 6,371,044 shares (16% of IPO shares) at a weighted average price of $19.25, with tangible book value per share at $18.00 as of March 31, 2026.

Key Facts

  • Repurchased 2,207,236 shares at avg $20.96, completing the program.
  • Total repurchases since Jan 2025: 6,371,044 shares at weighted avg $19.25.
  • Tangible book value per share at March 31, 2026: $18.00.

Financial Impact

No new financial impact; the program is complete. Total cost for this program approx $46.3 million.

shares outstandingtangible book value per share

Risk Factors

  • No new buyback authorization announced; potential for less support for stock price.
  • Tangible book value ($18.00) is below recent repurchase prices ($19.25-$20.96), indicating buybacks above book value.

Market Snapshot

Exchange
Nasdaq
Sector
Savings Institutions, Not Federally Chartered
Analyst Consensus
75% bullish (8 analysts)

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001104659-26-060111
Document: 0001104659-26-060111-index-headers.html0001104659-26-060111
Document: 0001104659-26-060111-index.html0001104659-26-060111
Document: 0001104659-26-060111.txt0001104659-26-060111
7 reports for NBBK
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for NBBK — sortable, filterable
TypeNow
Oct 15, 2026
12d ago
8-K
NEUTRAL ★ 5/10
$21.86awaiting T+60—$22.63 (+3.52%)
Jun 12, 2026
19w ago
Institutional Cluster
MIXED ★ 3/10
$20.62 $23.00▲ +11.52%▲ +8.25%$22.63 (+9.75%)
May 21, 2026
22w ago
8-K
NEUTRAL ★ 3/10
$19.88 $22.91▲ +15.24%▲ +10.94%$22.63 (+13.83%)
May 13, 2026
23w ago
8-K
NEUTRAL ★ 2/10
$19.72 $22.58▲ +14.50%▲ +10.07%$22.63 (+14.76%)
Apr 24, 2026
26w ago
Insider Cluster
NEUTRAL ★ 3/10
$19.75 $21.04▲ +6.53%▲ +1.45%$22.63 (+14.58%)
Apr 22, 2026
26w ago
8-K
BEARISH ★ 7/10
$19.09 $20.98▼ −9.88%▼ −4.86%$22.63 (−18.52%)
Mar 6, 2026
33w ago
Insider Cluster
NEUTRAL ★ 3/10
$20.96 $19.69▼ −6.05%▼ −18.83%$22.63 (+7.98%)
Showing 7 of 7

US Market Status

Market Closed — Opens Wed (15h 39m)

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Report published May 13, 2026