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Insider Cluster (2 insiders) ·Filed Aug 28, 2026

ETON

Eton Pharmaceuticals, Inc.
NEUTRAL
Impact 4/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $2.4M total
Actionable Insight • Neutral

The selling is modest relative to market cap and appears tied to option exercises, reducing the bearish signal. Monitor for any upcoming corporate events (e.g., earnings, product approvals) that could have prompted the sales. The lack of insider buying suggests management is not aggressively signaling confidence at current levels, but the cluster alone does not warrant a bearish stance.

DirectionNeutral
Confidencemedium
Horizondays
Latest settled — T+20d
ETON ▼ -3.04% at T+20d
NEUTRAL call -3.04% · α vs SPY -3.10% · entry $60.44 → $58.60
Next anchor: T+60d in 27d
Latest observation: T+39 -43.54% FF3 residual α
Entry = T+0 close
Aug 28, 2026
via day close
T+1d
-0.02%
call -0.02% · α +0.67%
$60.43
settled 8w ago
T+5d
-1.01%
call -1.01% · α -0.87%
$59.83
settled 8w ago
T+20d
-3.04%
call -3.04% · α -3.10%
$58.60
settled 29d ago
T+60d
Pending
in 27d

Price Chart

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Executive Summary

Two Eton insiders, including the Chief Business Officer and a Director, sold a combined $2.44M in open-market sales over a 5-day window. Director Maier's sales followed option exercises at a nominal cost, while CBO Krempa's sale was also tied to derivative exercises. The total open-market sale value of $2.44M represents ~0.14% of the $1.8B market cap, which is modest but notable. However, the selling is not proportionally large enough to be highly bearish, and the CBO's sale is likely liquidity-driven following option exercises. The Director's multi-trade pattern also suggests pre-planned diversification rather than a negative signal. The overall sentiment is neutral with a modest negative tilt due to the cluster's size and seniority of the sellers.

Key Financial Metrics

Direction
selling
Total Value
$2.4M
Insiders
2

Key Facts

  • Two insiders sold a total of $2.44M in open-market sales over 5 days
  • CBO David Krempa sold 25,000 shares at $65.07 for $1.63M after exercising options
  • Director Paul Maier sold ~50,000 shares at an average of ~$59.42 for ~$2.95M, including option exercises
  • Total open-market sales represent ~0.14% of the $1.8B market cap
  • Sales followed option exercises, suggesting liquidity-driven or pre-planned transactions
  • No insider buying was reported in the cluster

Financial Impact

Total insider sales of $2.44M, or ~0.14% of market cap

insider ownershipfloat

Risk Factors

  • Insider selling could accelerate if the stock continues to rise, increasing supply
  • The Director's multiple sales at varying prices may indicate a structured selling plan, reducing informational content
  • No insider buying to offset the selling could be a subtle negative signal

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
90% bullish (10 analysts)

Investment Themes

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ETON-1787950924805
23 reports for ETON
Performance horizon
75% Hit rate @ T+60 6 of 8 directional calls Went positive at some point 13 of 14 best @ T+60▲ +95.18%Feb 25, 2026
Filters
Rows
Reports for ETON — sortable, filterable
TypeNow
Oct 14, 2026
12d ago
8-K
BULLISH ★ 6/10
$52.88awaiting T+60—$50.17 (−5.12%)
Oct 6, 2026
20d ago
144
NEUTRAL ★ 2/10
$54.88awaiting T+60—$50.17 (−8.58%)
Sep 28, 2026
28d ago
8-K
BULLISH ★ 5/10
$59.18awaiting T+60—$50.17 (−15.22%)
Aug 31, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$60.43awaiting T+60—$50.17 (−16.98%)
Aug 28, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$60.44awaiting T+60—$50.17 (−16.99%)
Aug 24, 2026
9w ago
Insider Cluster
BEARISH ★ 5/10
$63.05awaiting T+60—$50.17 (+20.43%)
Aug 19, 2026
9w ago
144
BEARISH ★ 5/10
$61.48awaiting T+60—$50.17 (+18.40%)
Aug 5, 2026
11w ago
8-K
BULLISH ★ 6/10
$45.97awaiting T+60—$50.17 (+9.14%)
Aug 5, 2026
11w ago
Press Release
BULLISH ★ 7/10
$45.97awaiting T+60—$50.17 (+9.14%)
Aug 4, 2026
11w ago
8-K
NEUTRAL ★ 2/10
$45.83awaiting T+60—$50.17 (+9.47%)
Showing 10 of 23

US Market Status

Market Closed — Opens in 3h 58m

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Report published Aug 28, 2026