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Insider Cluster (2 insiders) ·Filed Aug 25, 2026

SBLK

Star Bulk Carriers Corp.
NEUTRAL
Impact 4/10
Horizonweeks Processed2mo ago
Insider cluster: 2 insiders, $1.9M total
Actionable Insight • Neutral

The insider sales are small relative to market cap and likely driven by routine portfolio diversification or tax planning rather than a bearish view on fundamentals. Monitor for any upcoming earnings release or chartering update that could provide context; the selling pattern alone does not warrant a bearish stance.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+20d
SBLK ▼ -2.28% at T+20d
NEUTRAL call -2.28% · α vs SPY -3.26% · entry $31.11 → $30.40
Next anchor: T+60d in 21d
Latest observation: T+42 -21.87% FF3 residual α
Entry = T+0 close
Aug 25, 2026
via day close
T+1d
-4.92%
call -4.92% · α -4.94%
$29.58
settled 2mo ago
T+5d
-0.19%
call -0.19% · α +0.35%
$31.05
settled 8w ago
T+20d
-2.28%
call -2.28% · α -3.26%
$30.40
settled 5w ago
T+60d
Pending
in 21d

Price Chart

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Executive Summary

Two Star Bulk Carriers insiders, including a director and the Chief Strategy Officer, sold a combined $1.86M in open-market sales over a one-week period. While the dollar amount is modest relative to the $3.4B market cap (0.05%), the cluster nature and the involvement of a C-suite executive warrant attention, though insider sales are generally less predictive than buys.

Key Financial Metrics

Direction
selling
Total Value
$1.9M
Insiders
2

Key Facts

  • Director Raffaele Zagari sold 50,000 shares at $30.70 for $1.53M on 2026-08-24.
  • Chief Strategy Officer Charis Plakantonaki sold 10,800 shares at $29.82 for $323K on 2026-08-17.
  • Total insider sales in the cluster: $1.86M, representing ~0.05% of SBLK's $3.4B market cap.
  • Net direction is selling; no insider purchases were reported in the cluster window.
  • The 30-day trailing insider activity shows 5 sells totaling $2.5M, consistent with a pattern of selling.

Financial Impact

Total insider sales of $1.86M, or approximately 0.05% of market cap, are below the 0.1% threshold for materiality.

insider ownershipdilution

Risk Factors

  • Insider sales could accelerate if management perceives headwinds in dry bulk shipping rates.
  • The cluster of sales, while small, may signal a lack of conviction at current price levels near $30.

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-1787680702447
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
18d ago
6-K
BEARISH ★ 5/10
$29.84awaiting T+60—$28.83 (+3.38%)
Oct 9, 2026
18d ago
424B5
BEARISH ★ 5/10
$29.84awaiting T+60—$28.83 (+3.38%)
Oct 9, 2026
18d ago
424B5
BEARISH ★ 5/10
$29.84awaiting T+60—$28.83 (+3.38%)
Oct 5, 2026
22d ago
144
NEUTRAL ★ 2/10
$30.84awaiting T+60—$28.83 (−6.52%)
Sep 22, 2026
5w ago
Insider Cluster
BULLISH ★ 6/10
$30.94awaiting T+60—$28.83 (−6.82%)
Sep 18, 2026
5w ago
6-K
BULLISH ★ 5/10
$32.48awaiting T+60—$28.83 (−11.24%)
Sep 17, 2026
5w ago
Insider Cluster
BULLISH ★ 4/10
$31.75awaiting T+60—$28.83 (−9.20%)
Sep 16, 2026
5w ago
6-K
NEUTRAL ★ 2/10
$30.87awaiting T+60—$28.83 (−6.61%)
Sep 16, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$30.87awaiting T+60—$28.83 (−6.61%)
Sep 16, 2026
5w ago
Insider Cluster
BULLISH ★ 4/10
$30.87awaiting T+60—$28.83 (−6.61%)
Showing 10 of 24

US Market Status

Market Closed — Opens in 9h 13m

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Report published Aug 25, 2026