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TRNS

TC

TRANSALTA CORP

(TAC)

2025 6-K

Annual Meeting Notice

31 Mar '26

Filing Notification

23 Mar '26

Share Conversion Results

17 Mar '26

Regulatory Update

17 Mar '26

Filing Notice

2 Mar '26

Investor Day Announcement

27 Feb '26

Data Centre Development

27 Feb '26

Quarterly Results Update

27 Feb '26

Financial Results Report

27 Feb '26

Foreign Issuer Report

27 Jan '26

Filing Notification

22 Dec '25

Mothballing Notice

18 Dec '25

Regulatory Filing

17 Dec '25

Filing Overview

15 Dec '25

Dividend Declaration

12 Dec '25

Filing Acknowledgment

12 Dec '25

New Long-Term Agreement

9 Dec '25

Acquisition Announcement

17 Nov '25

CEO Succession Announced

6 Nov '25

Filing Overview

6 Nov '25

Quarterly Results

6 Nov '25

Dividend Announcement

22 Oct '25

SEC Filing Report

8 Oct '25

Investor Day Announcement

18 Sep '25

Filing Overview

1 Aug '25

Filing Update

1 Aug '25

Dividend Declaration

29 Jul '25

6-K Filing Update

3 Jul '25

Issuer Bid Renewal

27 May '25

6-K Filing Summary

7 May '25

Financial Report Update

7 May '25

Meeting Results

24 Apr '25

Voting Results Report

24 Apr '25

Dividend Declaration

23 Apr '25

Shareholder Meeting

10 Apr '25

Filing Report

28 Mar '25

Share Purchase Plan

26 Mar '25

Annual Meeting Notice

25 Mar '25

Filing Overview

20 Feb '25

Filing Update

20 Feb '25

Filing Announcement

16 Jan '25

Dividend Declaration

9 Dec '24

Acquisition Completed

4 Dec '24

Acquisition Announcement

14 Nov '24

Filing Summary

5 Nov '24

Filing Overview

5 Nov '24

Dividend Announcement

23 Oct '24

Filing Report

4 Oct '24

Conversion Results

17 Sep '24

Dividend Announcement

3 Sep '24

Conversion Notice

22 Aug '24

Filing Update

1 Aug '24

Filing Update

1 Aug '24

TransAlta Dividends

29 Jul '24

Filing Update

5 Jul '24

Share Purchase Plan

24 Jun '24

Issuer Bid Renewal

28 May '24

Wind Facility Operation

21 May '24

Filing Update

3 May '24

Filing Report Summary

3 May '24

Voting Results Report

25 Apr '24

Shareholder Meeting Results

25 Apr '24

Dividend Declaration

24 Apr '24

Project Operation Update

24 Apr '24

Flow Management Collaboration

19 Apr '24

Filing Update

5 Apr '24

Share Purchase Plan

22 Mar '24

Annual Meeting Notice

20 Mar '24

TransAlta Filing

23 Feb '24

Financial Filing Summary

23 Feb '24

Filing Details

22 Jan '24

Filing Summary

3 Jan '24

External Links:

SEC

TransAlta Corp submitted a 6-K filing on December 15, 2025, regarding an underwriting agreement dated December 11, 2025, related to their securities. This event is categorized under 'Changes in capital structure' and is significant from an equity investor perspective.

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2025

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