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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 Option exercise +3,500 $15.47 $54K 7,581
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 Erdogan-Trinkaus Ipek Chief Commercial Officer Option exercise · Employee Stock Option −3,500 37,155
2026-11-10 CASAMENTO CHARLES J Director Option exercise +12,500 $7.31 $91K 12,500
2026-11-10 CASAMENTO CHARLES J Director Option exercise +27,400 $3.58 $98K 39,900
2026-11-10 CASAMENTO CHARLES J Director Option exercise +19,655 $8.61 $169K 59,555
2026-11-10 CASAMENTO CHARLES J Director Option exercise +21,000 $3.78 $79K 80,555
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
2026-11-10 CASAMENTO CHARLES J Director Option exercise · Stock Option −12,500 0
2026-11-10 CASAMENTO CHARLES J Director Option exercise · Stock Option −27,400 0
2026-11-10 CASAMENTO CHARLES J Director Option exercise · Stock Option −19,655 0
2026-11-10 CASAMENTO CHARLES J Director Option exercise · Stock Option −21,000 29,000
2026-10-06 Krempa David Chief Business Officer Sale −4,166 $55.07 $229K 43,381
2026-10-02 Krempa David Chief Business Officer Option exercise +10,522 47,547
2026-10-02 Krempa David Chief Business Officer Option exercise · Restricted Stock Units −10,522 21,044

Page 1 of 13 · 249 trades