ClearSign Combustion Corporation
| Year | Mar | Jun | Sep | Dec | Annual | |
|---|---|---|---|---|---|---|
| 2023 | -0.04 | -0.04 | -0.03 | - | - | |
| 2022 | - | - | - | -0.03 | -0.16 | |
| 2021 | -0.07 | - | - | -0.25 | -0.25 | |
| 2020 | - | - | -0.06 | -0.25 | -0.31 | |
| 2019 | -0.09 | -0.09 | -0.08 | -0.32 | -0.58 | |
| 2018 | -0.13 | -0.11 | -0.09 | -0.09 | -0.42 | |
| 2017 | 0.16 | 0.14 | 0.16 | 0.17 | 0.63 | |
| 2016 | 0.20 | 0.19 | 0.30 | 0.17 | 0.86 | |
| 2015 | 0.14 | 0.14 | 0.15 | 0.20 | 0.63 | |
| 2014 | -0.18 | -0.17 | -0.18 | -0.24 | -0.77 | |
| 2013 | -0.15 | -0.16 | -0.15 | -0.60 | -0.6 | |
| 2012 | -0.17 | -0.13 | -0.13 | -0.12 | -0.55 | |
| 2011 | -0.29 | -0.16 | -0.16 | -0.06 | -0.67 |