WSBK CLUSTER SEC Filing Analysis

Latest settled — T+5d

WSBK ▲ +1.03% at T+5d

NEUTRAL call ✓ call won +1.03% · α vs SPY +0.71% · entry $12.68 → $12.81

Next anchor: T+20d in 15d

Last close $12.87 (close Jun 8) · +1.52% from $12.68 entry

Entry anchored
May 27, 2026
via day open

T+1d

+0.16%

call +0.16% · α -0.08%

$12.70

settled 13d ago

T+5d

+1.03%

call +1.03% · α +0.71%

$12.81

settled 7d ago

T+20d

—

call — · α —

—

in 15d

T+60d

—

call — · α —

—

in 2mo

Price Chart

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Executive Summary

Two insiders at Winchester Bancorp made open-market stock purchases totaling approximately $12,000. President & CEO Carroll John A bought $638 worth on May 21, and Director Merritt Edward J bought $11,675 on May 26. The dollar amounts are very small relative to any reasonable market cap estimate, making this a routine cluster with negligible informational content.

Key Financial Metrics

Direction

buying

Total Value

$12.3K

Insiders

2

Actionable Insight

This insider cluster is too small in dollar value to be meaningful. Monitor larger insider purchases or corporate filings (earnings, M&A, regulatory) for a more actionable signal.

Key Facts

Total cluster value ~$12K (open-market purchases)
President & CEO Carroll bought 50 shares at $12.75 for $638 on May 21
Director Merritt bought 915 shares at $12.76 for $11,675 on May 26
Combined insider cluster $12K / 326M market cap (est.) = ~0.004% of market cap — well below 0.1% trivial threshold
Prior 30-day insider activity shows 5 buys totaling $143K — this cluster adds ~8% to that figure

Financial Impact

~$12K of open-market purchases, representing ~0.004% of estimated market cap — trivial

insider ownershipinternal signal

Risk Factors

Insider activity may increase ahead of material corporate developments not yet disclosed
Small purchases may dilute informational relevance — they do not rule out bearish signals from other sources

Market Snapshot

Exchange

Nasdaq

Sector

Savings Institutions, Not Federally Chartered

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

Document	Accession Number
CLUSTER Data (Synthetic)	cluster-WSBK-1779915330842

3 reports for WSBK

T+1T+5T+20T+60

Filters

Reports for WSBK — sortable, filterable
	Type				Now
May 27, 2026 13d ago	Insider Cluster NEUTRAL ★ 3/10	$12.68 $12.81	▲ +1.03%	▲ +0.71%	$12.87 (+1.52%)
May 1, 2026 5w ago	Insider Cluster NEUTRAL ★ 2/10	$12.79 $12.76	▼ −0.23%	▼ −2.58%	$12.87 (+0.65%)
May 1, 2026 5w ago	Insider Cluster NEUTRAL ★ 2/10	$12.79 $12.74	▼ −0.39%	▼ −2.74%	$12.87 (+0.65%)

US Market Status

Market Closed — Opens in 3h 50m

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