| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-12 | TOCQUEVILLE ASSET MANAGEMENT L.P. | KELSO TECHNOLOGIES INC | 1,603,589 | 3.0% | EDGAR |
| SC 13G/A | 2023-02-13 | TOCQUEVILLE ASSET MANAGEMENT L.P. | KELSO TECHNOLOGIES INC | 3,389,740 | 6.2% | EDGAR |
| SC 13G/A | 2022-02-14 | TOCQUEVILLE ASSET MANAGEMENT L.P. | KELSO TECHNOLOGIES INC | 2,736,300 | 5.0% | EDGAR |
| SC 13G/A | 2017-02-14 | CADINHA & CO LLC | KELSO TECHNOLOGIES INC | 1,861,680 | 4.0% | EDGAR |
| SC 13G/A | 2016-02-08 | CADINHA & CO LLC | KELSO TECHNOLOGIES INC | 2,173,240 | 4.7% | EDGAR |
| SC 13G/A | 2015-02-09 | CADINHA & CO LLC | KELSO TECHNOLOGIES INC | 2,504,510 | 5.6% | EDGAR |
| SC 13G | 2014-12-12 | CADINHA & CO LLC | KELSO TECHNOLOGIES INC | 1,547,280 | 3.4% | EDGAR |