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CIK 0001710340 · Non-accelerated filer<br>Smaller reporting company

Eton Pharmaceuticals, Inc.

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Ticker
ETON
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
371858472
Phone
(847) 787-7361
Business address
21925 W. FIELD PARKWAY, SUITE 235, DEER PARK, IL, 60010-7278
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$19,432,082
in 7 filings

Net −$19,432,082. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-11-10 Erdogan-Trinkaus Ipek Chief Commercial Officer Sale −2,340 $67.18 $157K 5,241
2026-11-10 Erdogan-Trinkaus Ipek Chief Commercial Officer Sale −1,160 $67.88 $79K 4,081
2026-11-10 CASAMENTO CHARLES J Director Sale −6,380 $64.33 $410K 74,175
2026-11-10 CASAMENTO CHARLES J Director Sale −14,715 $65.32 $961K 59,460
2026-11-10 CASAMENTO CHARLES J Director Sale −22,601 $66.26 $1.5M 36,859
2026-11-10 CASAMENTO CHARLES J Director Sale −33,956 $67.11 $2.3M 2,903
2026-11-10 CASAMENTO CHARLES J Director Sale −2,903 $67.87 $197K 0
2026-10-06 Krempa David Chief Business Officer Sale −4,166 $55.07 $229K 43,381
2026-08-28 MAIER PAUL V Director Sale −36,387 $58.64 $2.1M 73,358
2026-08-28 MAIER PAUL V Director Sale −13,485 $60.21 $812K 59,873
2026-08-28 MAIER PAUL V Director Sale −128 $61.77 $8K 59,745
2026-08-28 MAIER PAUL V Director Sale −36,387 $58.64 $2.1M 73,358
2026-08-28 MAIER PAUL V Director Sale −13,485 $60.21 $812K 59,873
2026-08-28 MAIER PAUL V Director Sale −128 $61.77 $8K 59,745
2026-08-24 Krempa David Chief Business Officer Sale −25,000 $65.07 $1.6M 37,025
2026-08-20 BRYNJELSEN SEAN President & CEO Sale −47,307 $60.17 $2.8M 1,004,909
2026-08-20 BRYNJELSEN SEAN President & CEO Sale −36,373 $61.11 $2.2M 968,536
2026-08-20 BRYNJELSEN SEAN President & CEO Sale −7,342 $62.12 $456K 961,194
2026-08-19 BRYNJELSEN SEAN President & CEO Sale −8,978 $62.65 $562K 1,052,216
2026-07-14 Opaleye Management Inc. 10% owner Sale −15,000 $37.54 $563K 2,665,000

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