ClearSign Technologies (CLIR) Operating Expenses (2011 - 2026)

ClearSign Technologies has reported Operating Expenses for 16 years, with the latest figure at $1.9 million in Q1 2026.

• For the quarter ending Q1 2026, Operating Expenses fell 23.11% year-over-year to $1.9 million; the trailing twelve-month figure through Mar 2026 stood at $7.5 million (down 10.06% YoY), and the FY2025 full-year result was $8.1 million, up 6.43% from the prior year.
• Operating Expenses for Q1 2026 stood at $1.9 million, up from $1.6 million in the prior quarter.
• The five-year high for Operating Expenses was $2.5 million in Q1 2025, with the low at $1.5 million in Q4 2022.
• Historically, Operating Expenses has averaged $1.8 million across 5 years, with a median of $1.8 million in 2024.
• Annual changes were most pronounced in 2022 — Operating Expenses sank 31.34% — and 2025, when it jumped 45.23%.
• ClearSign Technologies' Operating Expenses stood at $1.5 million in 2022, then increased by 14.09% to $1.7 million in 2023, then gained by 2.63% to $1.8 million in 2024, then retreated by 7.01% to $1.6 million in 2025, then gained by 15.63% to $1.9 million in 2026.
• The last three Operating Expenses figures came in at $1.9 million (Q1 2026), $1.6 million (Q4 2025), and $2.1 million (Q3 2025), per Business Quant data.