ClearSign Technologies CLIR
NASDAQ CLIR
$4.48 -0.21 (-4.40%)
As of: Aug 21, 2026 · 3:59 PM EDT

ClearSign Technologies (CLIR) Profit After Tax (2011 - 2026)

ClearSign Technologies' (CLIR) quarterly Profit After Tax came in at -$2.2 million in Q1 2026, down 5.49% YoY from -$2.3 million in Q1 2025, and down 604.18% on a QoQ basis from -$311000.0 in Q4 2025.

ClearSign Technologies (CLIR) Profit After Tax (2011 - 2026) Analysis & Trends

ClearSign Technologies (CLIR) has 16 years of Profit After Tax data on file, last reported at -$2.2 million in Q1 2026.

  • Quarterly Profit After Tax fell 5.49% year-over-year to -$2.2 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was -$5.6 million (up 10.48% YoY) and the FY2025 annual result came in at -$5.5 million, down 3.7% from the prior year.
  • Profit After Tax fell to -$2.2 million in Q1 2026, from -$311000.0 in the prior quarter.
  • In the past five years, Profit After Tax ranged from a high of -$311000.0 in Q4 2025 to a low of -$2.2 million in Q1 2026.
  • A 5-year average of -$1.4 million and a median of -$1.4 million in 2023 frame the typical range for Profit After Tax.
  • The widest YoY moves for Profit After Tax: up 73.28% in 2025, down 87.36% in 2025.
  • Tracing CLIR's Profit After Tax over 5 years: stood at -$1.3 million in 2022, then gained by 27.54% to -$955000.0 in 2023, then slipped by 21.88% to -$1.2 million in 2024, then surged by 73.28% to -$311000.0 in 2025, then tumbled by 604.18% to -$2.2 million in 2026.
  • The last three Profit After Tax figures came in at -$2.2 million (Q1 2026), -$311000.0 (Q4 2025), and -$1.4 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) PAT (Qtr)
1 Veralto 24.28 Bn 22.16 Bn 902.00 Mn 241.00 Mn
2 Zurn Elkay Water Solutions 8.20 Bn 7.84 Bn 288.30 Mn 113.30 Mn
3 Federal Signal 7.46 Bn 7.39 Bn 203.80 Mn 86.10 Mn
4 Ceco Environmental 3.10 Bn 3.04 Bn 86.47 Mn -34.77 Mn
5 PureCycle Technologies 1.26 Bn 1.26 Bn - -147.75 Mn
6 Aduro Clean Technologies 528.77 Mn 500.10 Mn - 1.18 Mn
7 Energy Recovery 406.56 Mn 313.50 Mn 8.96 Mn -3.20 Mn
8 Arq 96.62 Mn 95.72 Mn 11.51 Mn -733,000.00
9 Fuel Tech 43.03 Mn 23.42 Mn 2.68 Mn -1.23 Mn
10 ClearSign Technologies 26.54 Mn 16.65 Mn 228,000.00 -1.31 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 -1.31 Mn
Mar 31, 2026 -2.19 Mn
Dec 31, 2025 -311,000.00
Sep 30, 2025 -1.43 Mn
Jun 30, 2025 -1.68 Mn
Mar 31, 2025 -2.08 Mn
Dec 31, 2024 -1.16 Mn
Sep 30, 2024 -1.16 Mn
Jun 30, 2024 -1.87 Mn
Mar 31, 2024 -1.11 Mn
Dec 31, 2023 -955,000.00
Sep 30, 2023 -1.33 Mn
Jun 30, 2023 -1.48 Mn
Mar 31, 2023 -1.43 Mn
Dec 31, 2022 -1.32 Mn
Sep 30, 2022 -1.31 Mn
Jun 30, 2022 -1.64 Mn
Mar 31, 2022 -1.49 Mn
Dec 31, 2021 -1.23 Mn
Sep 30, 2021 -2.35 Mn