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Insider Cluster (1 insider) ·Filed Sep 16, 2026

SBLK

Star Bulk Carriers Corp.
NEUTRAL
Impact 3/10
Horizondays Processed1mo ago
Insider cluster: 3 insiders, $0.7M total
Actionable Insight • Neutral

This is a single, small insider purchase with no material impact. Monitor for any cluster buying or C-suite activity that would signal a more meaningful view. The stock's 85% analyst buy rating and recent insider cluster (3 buys vs 2 sells) suggest a broadly positive backdrop, but this filing alone does not warrant a directional trade.

DirectionNeutral
Confidencelow
Horizondays
Latest settled — T+20d ⚠ clustered
SBLK ▼ -3.50% at T+20d
NEUTRAL call -3.50% · α vs SPY -6.68% · entry $30.87 → $29.79
Next anchor: T+60d in 6w
Latest observation: T+27 -15.93% FF3 residual α
Entry = T+0 close
Sep 16, 2026
via day close
T+1d
+2.85%
call +2.85% · α +1.72%
$31.75
settled 6w ago
T+5d
-1.52%
call -1.52% · α -4.09%
$30.40
settled 5w ago
T+20d
-3.50%
call -3.50% · α -6.68%
$29.79
settled 13d ago
T+60d
Pending
in 6w

Price Chart

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Executive Summary

A single open-market purchase of 2,000 shares by Director Karellis Nikolaos, valued at $57,000, was reported. This is a routine, non-material transaction relative to the company's $3.5B market cap (approximately 0.002%). No other insider activity is present in this filing. The purchase is too small to carry meaningful informational signal.

Key Financial Metrics

Direction
buying
Total Value
$57.0K
Insiders
1

Financial Impact

Not specified

Risk Factors

  • Single insider purchase is not statistically significant
  • No C-suite participation in this filing
  • Transaction value is trivial relative to market cap

Market Snapshot

Exchange
Nasdaq
Sector
Deep Sea Foreign Transportation of Freight
Analyst Consensus
85% bullish (13 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-SBLK-1789576355063
24 reports for SBLK
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 11 of 13 best @ T+60▲ +21.12%Mar 6, 2026
Filters
Rows
Reports for SBLK — sortable, filterable
TypeNow
Oct 9, 2026
17d ago
6-K
BEARISH ★ 5/10
$29.84awaiting T+60—$29.08 (+2.55%)
Oct 9, 2026
17d ago
424B5
BEARISH ★ 5/10
$29.84awaiting T+60—$29.08 (+2.55%)
Oct 9, 2026
17d ago
424B5
BEARISH ★ 5/10
$29.84awaiting T+60—$29.08 (+2.55%)
Oct 5, 2026
21d ago
144
NEUTRAL ★ 2/10
$30.84awaiting T+60—$29.08 (−5.71%)
Sep 22, 2026
4w ago
Insider Cluster
BULLISH ★ 6/10
$30.94awaiting T+60—$29.08 (−6.01%)
Sep 18, 2026
5w ago
6-K
BULLISH ★ 5/10
$32.48awaiting T+60—$29.08 (−10.47%)
Sep 17, 2026
5w ago
Insider Cluster
BULLISH ★ 4/10
$31.75awaiting T+60—$29.08 (−8.41%)
Sep 16, 2026
5w ago
6-K
NEUTRAL ★ 2/10
$30.87awaiting T+60—$29.08 (−5.80%)
Sep 16, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$30.87awaiting T+60—$29.08 (−5.80%)
Sep 16, 2026
5w ago
Insider Cluster
BULLISH ★ 4/10
$30.87awaiting T+60—$29.08 (−5.80%)
Showing 10 of 24

US Market Status

Market Closed — Opens in 7h 32m

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Report published Sep 16, 2026