Eton Pharmaceuticals, Inc. (ETON) Insider Trading

Eton Pharmaceuticals, Inc. (ETON) has 18 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 4 sales totalling $13.0M. Most recent filing: Aug. 31, 2026.

Filings
18
Purchases
0
$0
Sales
4
$13.0M
Insiders
9

Most active ETON insiders

Opaleye Management Inc.
10% Owner
0 bought · 3 sold · July 17, 2026
$6.9M
MAIER PAUL V
Director
0 bought · 0 sold · Aug. 31, 2026
$6.4M
BRYNJELSEN SEAN
President & CEO
0 bought · 1 sold · Aug. 20, 2026
$6.4M
Krempa David
Chief Business Officer
0 bought · 0 sold · Aug. 24, 2026
$1.8M
Adams Jennifer McKie
Director
0 bought · 0 sold · Aug. 4, 2026
$0
RIEDEL NORBERT G
Director
0 bought · 0 sold · Aug. 4, 2026
$0
CASAMENTO CHARLES J
Director
0 bought · 0 sold · Aug. 4, 2026
$0
Erdogan-Trinkaus Ipek
Chief Commercial Officer
0 bought · 0 sold · Aug. 4, 2026
$0

Latest ETON Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Aug. 31, 2026 filed Aug. 28, 2026 MAIER PAUL V Director +12,500 No
Aug. 28, 2026 MAIER PAUL V Director $2,764,572 150,000 No
Aug. 24, 2026 Krempa David Chief Business Officer $1,444,000 75,000 0% No
Aug. 20, 2026 filed Aug. 19, 2026 BRYNJELSEN SEAN President & CEO −$6,087,773 100,000 −9% No
Aug. 4, 2026 filed July 31, 2026 CASAMENTO CHARLES J Director $0 10,000 0% No

Showing the 5 most recent of 18 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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