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Insider Cluster (2 insiders) ·Filed Apr 8, 2026

SBLK

Star Bulk Carriers Corp.
NEUTRAL
Impact 3/10
Horizondays Processed6mo ago
Insider cluster: 2 insiders, $445K total
Actionable Insight • Neutral

The level of selling is minimal relative to company size and not concentrated enough to indicate material concern. Monitor for continuation or expansion of selling in next 30 days, especially by C-suite executives.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
SBLK ▲ +2.11% at T+60d
NEUTRAL call +2.11% · α vs SPY -8.35% · entry $24.63 → $25.15
Entry = T+0 close
Apr 7, 2026
via day close
T+1d
-1.79%
call -1.79% · α -2.36%
$24.19
settled 7mo ago
T+5d
+0.04%
call +0.04% · α -3.48%
$24.64
settled 7mo ago
T+20d
+8.32%
call +8.32% · α -0.22%
$26.68
settled 6mo ago
T+60d
+2.11%
call +2.11% · α -8.35%
$25.15
settled 4mo ago

Price Chart

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Executive Summary

Two corporate insiders at Star Bulk Carriers Corp. sold shares in the past week, including the COO and Chief Strategy Officer, totaling $445K in open-market transactions. The sales represent a very small fraction of the company's $2.7B market cap and appear routine rather than a coordinated signal.

Key Financial Metrics

Direction
selling
Total Value
$445.0K
Insiders
2

Key Facts

  • COO Reskos Nikolaos sold $40K in shares on 2026-04-14 in two transactions (total 10,000 shares at ~$25.05 average).
  • Chief Strategy Officer Plakantonaki Charis sold 16.5K shares at $24.56, totaling $405K on 2026-04-08.
  • Total insider selling cluster value: $445K over a 7-day window.
  • Total value represents only 0.016% of the company's $2.7B market cap.

Financial Impact

$445,000 in total open-market share sales, representing 0.016% of market cap

insider ownershipfloat

Risk Factors

  • Potential perception of lack of confidence if further insider selling follows
  • Concentration of sales among senior executives, though small in dollar terms

Market Snapshot

Exchange
Nasdaq
Sector
Deep Sea Foreign Transportation of Freight

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-SBLK-1776357982011
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

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Report published Apr 16, 2026