| SC 13D/A | 2024-01-25 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 1,816,689 | 10.6% | EDGAR |
| SC 13D/A | 2021-06-09 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 18,166,956 | 10.8% | EDGAR |
| SC 13D/A | 2021-03-30 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 18,076,047 | 12.6% | EDGAR |
| SC 13D/A | 2020-12-10 | Yu Peter | WESTPORT FUEL SYSTEMS INC. | 648,588,652 | 4.5% | EDGAR |
| SC 13D/A | 2020-05-04 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 18,712,308 | 13.7% | EDGAR |
| SC 13G/A | 2020-02-04 | ROYCE & ASSOCIATES LP | WESTPORT FUEL SYSTEMS INC. | 6,448,421 | 4.8% | EDGAR |
| SC 13G | 2019-01-16 | ROYCE & ASSOCIATES LP | WESTPORT FUEL SYSTEMS INC. | 7,223,522 | 5.4% | EDGAR |
| SC 13D/A | 2018-01-12 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 18,562,308 | 14.2% | EDGAR |
| SC 13G/A | 2017-09-20 | MILLER LLOYD I III | WESTPORT FUEL SYSTEMS INC. | - | - | EDGAR |
| SC 13D | 2017-04-04 | Yu Peter | WESTPORT FUEL SYSTEMS INC. | 806,451,613 | 7.3% | EDGAR |
| SC 13G/A | 2017-01-30 | MILLER LLOYD I III | WESTPORT FUEL SYSTEMS INC. | 6,006,245 | 5.5% | EDGAR |
| SC 13G | 2016-10-31 | MILLER LLOYD I III | WESTPORT FUEL SYSTEMS INC. | 5,512,527 | 5.0% | EDGAR |
| SC 13D/A | 2016-06-08 | DOUGLAS KEVIN | WESTPORT FUEL SYSTEMS INC. | 16,712,308 | 15.3% | EDGAR |
| SC 13D/A | 2016-03-21 | DOUGLAS KEVIN | WESTPORT INNOVATIONS INC | 1,009 | 15.7% | EDGAR |
| SC 13D/A | 2015-09-02 | DOUGLAS KEVIN | WESTPORT INNOVATIONS INC | 10,098,559 | 15.7% | EDGAR |
| SC 13G/A | 2015-01-16 | MANNING & NAPIER ADVISORS LLC | WESTPORT INNOVATIONS INC | 0 | 0.0% | EDGAR |
| SC 13D | 2014-10-31 | DOUGLAS KEVIN | WESTPORT INNOVATIONS INC | 9,848,559 | 15.6% | EDGAR |
| SC 13G/A | 2014-06-04 | BAILLIE GIFFORD & CO | WESTPORT INNOVATIONS INC | 593,789 | 0.9% | EDGAR |
| SC 13G/A | 2014-02-03 | MANNING & NAPIER ADVISORS LLC | WESTPORT INNOVATIONS INC | 3,556,545 | 5.7% | EDGAR |
| SC 13G/A | 2014-01-30 | BAILLIE GIFFORD & CO | WESTPORT INNOVATIONS INC | 3,261,960 | 5.2% | EDGAR |