ClearSign Technologies CLIR
NASDAQ CLIR
$4.21 -0.01 (-0.24%)
As of: Sep 10, 2026 · 12:05 PM EDT

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

ClearSign Technologies' (CLIR) quarterly Operating Expenses came in at $1.7 million in Q2 2026, down 8.82% on a YoY basis from $1.9 million in Q2 2025, and down 8.48% quarter-over-quarter from $1.9 million in Q1 2026.

Analysis

ClearSign Technologies (CLIR) Operating Expenses (2011 - 2026) Analysis & Trends

ClearSign Technologies (CLIR) has reported Operating Expenses for 16 consecutive years, with $1.7 million the latest figure, recorded in Q2 2026.

  • For the quarter ending Q2 2026, Operating Expenses fell 8.82% year-over-year to $1.7 million; the trailing twelve-month figure through Jun 2026 stood at $7.4 million (down 8.94% YoY), and the FY2025 full-year result was $8.1 million, up 6.43% from the prior year.
  • Operating Expenses slipped to $1.7 million in Q2 2026 per CLIR's latest filing, from $1.9 million in the prior quarter.
  • Across five years, Operating Expenses topped out at $2.5 million in Q1 2025 and bottomed at $1.5 million in Q4 2022.
  • Historically, Operating Expenses has averaged $1.8 million across 5 years, with a median of $1.7 million in 2024.
  • The sharpest annual moves came in 2022 and 2025: Operating Expenses slumped 31.34% in 2022, then surged 45.23% in 2025.
  • Over 5 years, Operating Expenses stood at $1.5 million in 2022, then gained by 14.09% to $1.7 million in 2023, then climbed by 2.63% to $1.8 million in 2024, then slipped by 7.01% to $1.6 million in 2025, then climbed by 5.82% to $1.7 million in 2026.
  • According to Business Quant data, Operating Expenses over the past three periods registered $1.7 million, $1.9 million, and $1.6 million for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Opex (Qtr)
1 Ceco Environmental 3.32 Bn 3.26 Bn 86.47 Mn 109.35 Mn
2 LanzaTech Global 70.37 Mn 25.39 Mn 5.24 Mn 18.89 Mn
3 Fuel Tech 50.36 Mn 30.75 Mn 2.68 Mn 8.05 Mn
4 374Water 43.09 Mn 43.09 Mn 1.98 Mn 3.60 Mn
5 Birchtech 25.69 Mn 13.85 Mn 1.03 Mn 2.66 Mn
6 ClearSign Technologies 24.97 Mn 15.08 Mn 228,000.00 1.73 Mn
7 Liqtech International 14.61 Mn -1.04 Mn 365,539.00 2.70 Mn
8 TOMI Environmental Solutions 13.14 Mn 12.59 Mn 1.39 Mn 1.63 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 1.73 Mn
Mar 31, 2026 1.89 Mn
Dec 31, 2025 1.63 Mn
Sep 30, 2025 2.12 Mn
Jun 30, 2025 1.89 Mn
Mar 31, 2025 2.45 Mn
Dec 31, 2024 1.75 Mn
Sep 30, 2024 1.98 Mn
Jun 30, 2024 2.18 Mn
Mar 31, 2024 1.69 Mn
Dec 31, 2023 1.71 Mn
Sep 30, 2023 1.52 Mn
Jun 30, 2023 1.76 Mn
Mar 31, 2023 1.81 Mn
Dec 31, 2022 1.50 Mn
Sep 30, 2022 1.56 Mn
Jun 30, 2022 1.66 Mn
Mar 31, 2022 1.52 Mn
Dec 31, 2021 1.23 Mn
Sep 30, 2021 2.27 Mn