Krempa David plan to sell securities of Eton Pharmaceuticals, Inc. under Form 144

Krempa David filed Form 144 to notify SEC of plan to sell 100000 units of Eton Pharmaceuticals, Inc. securities around 2026-05-22, with aggregate market value of $3,500,000.00. The total outstanding units is 27390000.0. The amount planned to be sold represents 0.37% of total outstanding units;