Official SEC submissions

TransAlta SEC Filings

Direct answer

TransAlta's latest SEC filing is 6-K.

It was filed on July 31, 2026, and 40 recent filings are available.

Each row links directly to the SEC document and filing index.

Official SEC EDGAR submissions

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Recent SEC filings

6-K

Current report

Filed: 2026-07-31

Report date: 2026-07-31

6-K

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6-K

Current report

Filed: 2026-07-31

Report date: 2026-06-30

6-K

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6-K

Current report

Filed: 2026-07-29

Report date: 2026-07-29

FORM 6-K

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6-K

Current report

Filed: 2026-06-30

Report date: 2026-06-30

FORM 6-K

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6-K

Current report

Filed: 2026-06-15

Report date: 2026-06-15

FORM 6-K

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6-K

Current report

Filed: 2026-06-09

Report date: 2026-06-09

6-K

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6-K

Current report

Filed: 2026-06-09

Report date: 2026-06-09

FORM 6-K

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6-K

Current report

Filed: 2026-06-05

Report date: 2026-06-05

6-K

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6-K

Current report

Filed: 2026-06-04

Report date: 2026-06-03

6-K

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6-K

Current report

Filed: 2026-05-06

Report date: 2026-05-06

6-K

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6-K

Current report

Filed: 2026-05-06

Report date: 2026-03-31

6-K

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6-K

Current report

Filed: 2026-05-01

Report date: 2026-04-30

FORM 6-K

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6-K

Current report

Filed: 2026-05-01

Report date: 2026-04-30

6-K

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6-K

Current report

Filed: 2026-04-30

Report date: 2026-04-29

FORM 6-K

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6-K

Current report

Filed: 2026-04-20

Report date: 2026-04-20

FORM 6-K

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6-K

Current report

Filed: 2026-04-07

Report date: 2026-04-07

FORM 6-K

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6-K

Current report

Filed: 2026-03-31

Report date: 2026-03-12

6-K

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6-K

Current report

Filed: 2026-03-23

Report date: 2026-03-23

FORM 6-K

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6-K

Current report

Filed: 2026-03-17

Report date: 2026-03-17

FORM 6-K

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6-K

Current report

Filed: 2026-03-17

Report date: 2026-03-17

FORM 6-K

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6-K

Current report

Filed: 2026-03-02

Report date: 2026-03-02

FORM 6-K

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6-K

Current report

Filed: 2026-02-27

Report date: 2026-02-27

FORM 6-K

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6-K

Current report

Filed: 2026-02-27

Report date: 2026-02-27

FORM 6-K

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6-K

Current report

Filed: 2026-02-27

Report date: 2026-02-27

6-K

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6-K

Current report

Filed: 2026-02-27

Report date: 2025-12-31

6-K

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6-K

Current report

Filed: 2026-01-28

Report date: 2026-01-27

FORM 6-K

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6-K

Current report

Filed: 2025-12-22

Report date: 2025-12-22

6-K

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6-K

Current report

Filed: 2025-12-18

Report date: 2025-12-18

FORM 6-K

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6-K

Current report

Filed: 2025-12-17

Report date: 2025-12-17

FORM 6-K

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6-K

Current report

Filed: 2025-12-15

Report date: 2025-12-15

6-K

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6-K

Current report

Filed: 2025-12-15

Report date: 2025-12-12

FORM 6-K

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6-K

Current report

Filed: 2025-12-15

Report date: 2025-12-11

6-K

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6-K

Current report

Filed: 2025-12-09

Report date: 2025-12-09

FORM 6-K

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6-K

Current report

Filed: 2025-11-17

Report date: 2025-11-17

FORM 6-K

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6-K

Current report

Filed: 2025-11-06

Report date: 2025-11-06

FORM 6-K

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6-K

Current report

Filed: 2025-11-06

Report date: 2025-09-30

6-K

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6-K

Current report

Filed: 2025-11-06

Report date: 2025-11-06

6-K

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6-K

Current report

Filed: 2025-10-22

Report date: 2025-10-22

FORM 6-K

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6-K

Current report

Filed: 2025-10-08

Report date: 2025-10-08

FORM 6-K

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6-K

Current report

Filed: 2025-09-18

Report date: 2025-09-18

FORM 6-K

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Verified data

Recent filing categories: 1
Recent filings: 40
SEC CIK: 0001144800
Latest filing date: July 31, 2026

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