Eton Pharmaceuticals (ETON) Operating Expenses (2018 - 2025)

Eton Pharmaceuticals has disclosed Operating Expenses across 8 years of filings, most recently posting $10.6 million for Q4 2025.

• Operating Expenses for Q4 2025 came in at $10.6 million, up 81.91% year-over-year; the trailing twelve-month figure through Dec 2025 was $43.6 million (up 67.58% YoY), and the FY2025 annual result was $43.6 million, up 67.58% from the prior year.
• Operating Expenses came in at $10.6 million for Q4 2025 at Eton Pharmaceuticals, up from $9.2 million in the prior quarter.
• In the past five years, Operating Expenses ranged from a high of $13.4 million in Q2 2025 to a low of $4.4 million in Q4 2021.
• The 5-year median for Operating Expenses is $5.8 million (2024), against an average of $6.7 million.
• Across the five-year window, Operating Expenses sank 44.31% in 2021 and surged 81.91% in 2025, its largest moves.
• Eton Pharmaceuticals' Operating Expenses stood at $4.4 million in 2021, then rose by 20.22% to $5.3 million in 2022, then advanced by 6.13% to $5.6 million in 2023, then climbed by 3.98% to $5.8 million in 2024, then soared by 81.91% to $10.6 million in 2025.
• The last three Operating Expenses figures came in at $10.6 million (Q4 2025), $9.2 million (Q3 2025), and $13.4 million (Q2 2025), per Business Quant data.