Gruber James R. plan to sell securities of Eton Pharmaceuticals, Inc. under Form 144

Gruber James R. filed Form 144 to notify SEC of plan to sell 251818 units of Eton Pharmaceuticals, Inc. securities around 2026-06-26, with aggregate market value of $8,990,000.00. The total outstanding units is 27390000.0. The amount planned to be sold represents 0.92% of total outstanding units; Recent transactions in past 3 months include: On 06/25/2026, sold 25000 units for $875251.00; On 06/23/2026, sold 25000 units for $831674.00; On 06/02/2026, sold 3117 units for $84041.00;