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144 ·Filed Oct 6, 2026

ETON

Eton Pharmaceuticals, Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed20d 23h ago SEC0001974078-26-000377
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This Form 144 is a routine sell-to-cover transaction for RSU vesting, not a discretionary insider sale. The small share count relative to typical insider holdings suggests minimal market impact. Monitor for any subsequent Form 4 filings to confirm execution, but no material read-through for the stock.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+5d
ETON ▼ -3.64% at T+5d
NEUTRAL call -3.64% · α vs SPY -2.66% · entry $54.88 → $52.88
Next anchor: T+20d in 7d
Latest observation: T+12 -24.26% FF3 residual α
Entry = T+0 close
Oct 6, 2026
via day close
T+1d
-0.24%
call -0.24% · α +0.19%
$54.75
settled 20d ago
T+5d
-3.64%
call -3.64% · α -2.66%
$52.88
settled 14d ago
T+20d
Pending
in 7d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

David Krempa, an officer of Eton Pharmaceuticals, filed a Form 144 on October 6, 2026, indicating intent to sell 4,166 shares of common stock, with an estimated aggregate market value of approximately $229,406. The sale is described as 'Sell to Cover for RSU vesting,' suggesting a routine transaction to cover tax withholding obligations upon vesting of restricted stock units, rather than a discretionary insider sale.

Key Facts

  • Filer: David Krempa, an officer of Eton Pharmaceuticals
  • Proposed sale of 4,166 shares of common stock
  • Estimated aggregate market value: approximately $229,406
  • Sale reason stated as 'Sell to Cover for RSU vesting'
  • Shares acquired on 10/02/2026 via RSU vest from the issuer
  • Filing date: October 6, 2026

Financial Impact

Proposed sale of 4,166 shares valued at ~$229,406, representing a routine sell-to-cover transaction for RSU vesting tax obligations

dilution

Risk Factors

  • Insider may still execute the sale, though the stated purpose is tax withholding
  • No material risk to the company's fundamentals from this filing

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001974078-26-000377
Document: 0001974078-26-000377-index.html0001974078-26-000377
Document: 0001974078-26-000377.txt0001974078-26-000377
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
13d ago
8-K
BULLISH ★ 6/10
$52.88awaiting T+60—$50.42 (−4.65%)
Oct 6, 2026
20d ago
144
NEUTRAL ★ 2/10
$54.88awaiting T+60—$50.42 (−8.13%)
Sep 28, 2026
29d ago
8-K
BULLISH ★ 5/10
$59.18awaiting T+60—$50.42 (−14.80%)
Aug 31, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$60.43awaiting T+60—$50.42 (−16.56%)
Aug 28, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$60.44awaiting T+60—$50.42 (−16.58%)
Aug 24, 2026
9w ago
Insider Cluster
BEARISH ★ 5/10
$63.05awaiting T+60—$50.42 (+20.03%)
Aug 19, 2026
9w ago
144
BEARISH ★ 5/10
$61.48awaiting T+60—$50.42 (+17.99%)
Aug 5, 2026
11w ago
8-K
BULLISH ★ 6/10
$45.97awaiting T+60—$50.42 (+9.68%)
Aug 5, 2026
11w ago
Press Release
BULLISH ★ 7/10
$45.97awaiting T+60—$50.42 (+9.68%)
Aug 4, 2026
12w ago
8-K
NEUTRAL ★ 2/10
$45.83awaiting T+60—$50.42 (+10.02%)
Showing 10 of 23

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Report published Oct 6, 2026