| SC 13G/A | 2024-02-09 | Marquard & Bahls AG | TRANSALTA CORP | 10,985,671 | 3.5% | EDGAR |
| SC 13D/A | 2023-11-09 | BROOKFIELD Corp /ON/ | TRANSALTA CORP | 35,480,124 | 11.5% | EDGAR |
| SC 13G/A | 2023-02-14 | RBC Global Asset Management Inc. | TRANSALTA CORP | 32,355,286 | 12.0% | EDGAR |
| SC 13G/A | 2023-02-10 | Marquard & Bahls AG | TRANSALTA CORP | 15,033,000 | 5.5% | EDGAR |
| SC 13G/A | 2023-02-06 | BANK OF MONTREAL /CAN/ | TRANSALTA CORP | 11,907,282 | 4.4% | EDGAR |
| SC 13G | 2022-05-03 | Marquard & Bahls AG | TRANSALTA CORP | 14,155,100 | 5.2% | EDGAR |
| SC 13G/A | 2022-02-15 | BANK OF MONTREAL /CAN/ | TRANSALTA CORP | 13,582,241 | 5.0% | EDGAR |
| SC 13G/A | 2022-02-14 | RBC Global Asset Management Inc. | TRANSALTA CORP | 38,876,165 | 14.3% | EDGAR |
| SC 13D/A | 2021-03-11 | BROOKFIELD ASSET MANAGEMENT INC. | TRANSALTA CORP | 35,399,535 | 13.1% | EDGAR |
| SC 13G/A | 2021-02-16 | RBC Global Asset Management Inc. | TRANSALTA CORP | 38,347,623 | 14.0% | EDGAR |
| SC 13G/A | 2021-02-12 | BANK OF MONTREAL /CAN/ | TRANSALTA CORP | 17,248,739 | 6.3% | EDGAR |
| SC 13G/A | 2021-02-11 | CIBC Asset Management Inc | TRANSALTA CORP | 11,156,485 | 4.1% | EDGAR |
| SC 13D/A | 2020-11-04 | BROOKFIELD ASSET MANAGEMENT INC. | TRANSALTA CORP | 33,189,365 | 12.1% | EDGAR |
| SC 13D/A | 2020-04-23 | BROOKFIELD ASSET MANAGEMENT INC. | TRANSALTA CORP | 31,484,883 | 11.4% | EDGAR |
| SC 13D/A | 2020-03-19 | BROOKFIELD ASSET MANAGEMENT INC. | TRANSALTA CORP | 28,068,047 | 10.1% | EDGAR |
| SC 13D | 2020-03-02 | BROOKFIELD ASSET MANAGEMENT INC. | TRANSALTA CORP | 24,021,508 | 8.5% | EDGAR |
| SC 13G/A | 2020-02-14 | BANK OF MONTREAL /CAN/ | TRANSALTA CORP | 19,493,892 | 6.9% | EDGAR |
| SC 13G/A | 2020-02-14 | RBC Global Asset Management Inc. | TRANSALTA CORP | 40,620,865 | 14.5% | EDGAR |
| SC 13G | 2020-02-10 | CIBC Asset Management Inc | TRANSALTA CORP | 15,652,947 | 5.6% | EDGAR |
| SC 13G/A | 2020-01-24 | Mangrove Partners Master Fund, Ltd. | TRANSALTA CORP | 13,214,865 | 4.6% | EDGAR |