TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments. The Hydro segment holds interest of approximately 9…
1.4k employees transalta.com
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Ownership 2026-05-22
Fedoretz, Jane Nyla sold +$183k
Insider trading – 2026-05-22
1 insider · −$183k net
Ownership 2026-05-14
Politeski, Michael bought +$172k
Insider trading – 2026-05-14
1 insider · +$172k net
Ownership 2026-05-12
Fedoretz, Jane Nyla sold +$263k
Insider trading – 2026-05-12
1 insider · −$263k net
Ownership 2026-05-08
Fedoretz, Jane Nyla sold +$175k
Insider trading – 2026-05-08
1 insider · −$175k net
Results 2026-05-06
Interim MD&A - English.pdf
Results 2026-05-06
Interim financial statements/report – English.pdf
Results 2026-05-06
TransAlta Reports First Quarter Results and Reaffirms Annual Guidance
News release - English.pdf
Ownership 2026-04-07
5 insiders · +$61k net
Insider trading – 2026-04-07
5 insiders · +$61k net
Ownership 2026-03-26
van Melle, Blain Mitchell sold +$270k
Insider trading – 2026-03-26
1 insider · −$270k net
Ownership 2026-03-25
Fedoretz, Jane Nyla sold +$307k
Insider trading – 2026-03-25
1 insider · −$307k net
News 2026-03-23
TransAlta Investor Day Highlights Solid Foundation and Attractive Growth to 2029 and Beyond
News release - English.pdf
News 2026-03-17
Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for Additional 90 Days
News release - English.pdf
Transactions 2026-03-17 Financing
TransAlta Corporation Announces Conversion Results for Series A and B Preferred Shares
News release - English.pdf
Ownership 2026-03-17
Dielwart, John Patrick bought +$35k
Insider trading – 2026-03-17
1 insider · +$35k net
Transactions 2026-03-02 Financing
TransAlta Corporation Provides Conversion Right and Dividend Rate Notice for Series A and B Preferred Shares
News release - English.pdf
Transactions 2026-02-27 M&A
TransAlta Enters Memorandum of Understanding for Data Centre Development at Keephills Site with Potential to Scale Up to 1 GW
News release - English.pdf
Results 2026-02-27 Financials
Annual information form - English.pdf
Results 2026-02-27
TransAlta Reports Fourth Quarter and Year End 2025 Results, Announces Data Centre Agreement, Declares Dividend Increase and Provides 2026 Outlook
News release - English.pdf
Results 2026-02-27 Financials
Audited annual financial statements – English.pdf
Results 2026-02-27 Financials
Annual report - English.pdf
Results 2026-02-27 Financials
Annual MD&A - English.pdf
News 2026-01-09
Alternative monthly report.pdf
Ownership 2026-01-05
Kousinioris, John Harry bought +$38k
Insider trading – 2026-01-05
1 insider · +$38k net
News 2026-01-01
Report of exempt distribution (45-106F1).pdf
News 2025-12-22
Other securityholders documents - English.pdf
News 2025-12-22
Other securityholders documents - English.pdf
News 2025-12-17
TransAlta Corporation: Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for 90 Days
News release - English.pdf
Ownership 2025-12-17
Dielwart, John Patrick bought +$29k
Insider trading – 2025-12-17
1 insider · +$29k net
Transactions 2025-12-12
Non-offering prospectus product supplement – English.pdf
News 2025-12-12
Auditors' consent letter.pdf
Transactions 2025-12-12
Non-offering prospectus product supplement – English.pdf
News 2025-12-12
Underwriting or agency agreements (or amendment thereto).pdf
Transactions 2025-12-11
Draft shelf prospectus supplement – English.pdf
Transactions 2025-12-11
Draft shelf prospectus supplement – English.pdf
News 2025-12-09
Qualification certificate.pdf
News 2025-12-09
Consent letter of issuer's legal counsel.pdf
News 2025-12-09
Auditors' consent letter.pdf
Transactions 2025-12-09
Final short form prospectus – English.pdf
Transactions 2025-12-09 M&A
TransAlta Signs Long-Term Agreement for 700 MW at Centralia Facility Enabling Coal to Natural Gas Conversion
News release - English.pdf
Transactions 2025-11-17 M&A
TransAlta to Acquire 310 MW Contracted Ontario Gas Portfolio for $95 Million
News release - English.pdf
News 2025-11-10
Alternative monthly report.pdf
News 2025-11-06
News release - English.pdf
News 2025-11-06
News release - English.pdf
Results 2025-11-06 Financials
Interim financial statements/report – English.pdf
Results 2025-11-06 Financials
Interim MD&A - English.pdf
News 2025-11-06
News release - English.pdf
News 2025-10-22
News release - English.pdf
News 2025-10-08
News release - English.pdf
Ownership 2025-10-03
Kousinioris, John Harry bought +$38k
Insider trading – 2025-10-03
1 insider · +$38k net
News 2025-09-18
News release - English.pdf
Ownership 2025-09-16
Dielwart, John Patrick bought +$29k
Insider trading – 2025-09-16
1 insider · +$29k net
News 2025-08-01
News release - English.pdf
Results 2025-08-01 Financials
Interim financial statements/report – English.pdf
Results 2025-08-01 Financials
Interim MD&A - English.pdf
News 2025-07-29
News release - English.pdf
Ownership 2025-07-07
Kousinioris, John Harry bought +$38k
Insider trading – 2025-07-07
1 insider · +$38k net
News 2025-07-03
News release - English.pdf
Ownership 2025-06-17
Dielwart, John Patrick bought +$29k
Insider trading – 2025-06-17
1 insider · +$29k net
News 2025-06-02
News release (section 4.8 of NI 62-104).pdf
Ownership 2025-04-03
Kousinioris, John Harry bought +$35k
Insider trading – 2025-04-03
1 insider · +$35k net
Ownership 2025-03-20
Dielwart, John Patrick bought +$41
Insider trading – 2025-03-20
1 insider · +$41 net
Ownership 2025-03-19
Dielwart, John Patrick bought +$29k
Insider trading – 2025-03-19
1 insider · +$29k net
Ownership 2025-01-03
2 insiders · +$28k net
Insider trading – 2025-01-03
2 insiders · +$28k net
Ownership 2024-12-19
Kousinioris, John Harry sold +$729k
Insider trading – 2024-12-19
1 insider · −$729k net
Ownership 2024-12-18
2 insiders · +$65k net
Insider trading – 2024-12-18
2 insiders · +$65k net
Ownership 2024-12-06
Kousinioris, John Harry sold +$795k
Insider trading – 2024-12-06
1 insider · −$795k net
Ownership 2024-12-02
Kousinioris, John Harry sold +$1.0M
Insider trading – 2024-12-02
1 insider · −$1.0M net
Ownership 2024-11-25
Kousinioris, John Harry sold +$1.1M
Insider trading – 2024-11-25
1 insider · −$1.1M net
Ownership 2024-10-04
2 insiders · +$35k net
Insider trading – 2024-10-04
2 insiders · +$35k net
Ownership 2024-10-03
Ward, Brent Vincent bought +$14
Insider trading – 2024-10-03
1 insider · +$14 net
Ownership 2024-09-27
Ward, Brent Vincent sold +$273k
Insider trading – 2024-09-27
1 insider · −$273k net
Ownership 2024-09-25
Fedoretz, Jane Nyla sold +$278k
Insider trading – 2024-09-25
1 insider · −$278k net
Ownership 2024-09-18
2 insiders · +$67k net
Insider trading – 2024-09-18
2 insiders · +$67k net
Ownership 2024-08-19
Fedoretz, Jane Nyla sold +$115k
Insider trading – 2024-08-19
1 insider · −$115k net
Ownership 2024-08-07
Fedoretz, Jane Nyla sold +$468k
Insider trading – 2024-08-07
1 insider · −$468k net
Ownership 2024-07-05
Ward, Brent Vincent bought +$19
Insider trading – 2024-07-05
1 insider · +$19 net
Ownership 2024-07-04
2 insiders · +$35k net
Insider trading – 2024-07-04
2 insiders · +$35k net
Ownership 2024-06-18
2 insiders · +$65k net
Insider trading – 2024-06-18
2 insiders · +$65k net