# Transalta Corp: filings

TAC · NYSE · CIK 1144800 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/tac.md) · [Financials](/companies/tac/financials.md) · [Filings](/companies/tac/filings.md) · [Insiders](/companies/tac/insiders.md)

## Reports and events: 668 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (6-K 640, SC 13G/A 20, 40-F 18, SC 13G 16, UPLOAD 16, SUPPL 15, CORRESP 11, FWP 10, SC 13D/A 10, F-X 9, F-10 8, 6-K/A 7, EFFECT 7, F-10/A 7, SCHEDULE 13G/A 6, 40-F/A 4, F-X/A 3, SCHEDULE 13G 3, S-8 2, 40FR12B/A 1, F-10EF 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-06 | 17:49 ET | [6-K](/filings/0001171843-26-006451.md) | Report of a foreign private issuer, period 2026-10-05 | 0001171843-26-006451 |
| 2026-09-14 | 20:26 ET | [6-K](/filings/0001171843-26-006030.md) | Report of a foreign private issuer, period 2026-09-14 | 0001171843-26-006030 |
| 2026-07-31 | 11:03 ET | [6-K](/filings/0001144800-26-000041.md) | Report of a foreign private issuer, period 2026-07-31 | 0001144800-26-000041 |
| 2026-07-31 | 11:02 ET | [6-K](/filings/0001144800-26-000040.md) | Report of a foreign private issuer, period 2026-06-30 | 0001144800-26-000040 |
| 2026-07-29 | 21:18 ET | [6-K](/filings/0001171843-26-005029.md) | Report of a foreign private issuer, period 2026-07-29 | 0001171843-26-005029 |
| 2026-06-30 | 20:36 ET | [6-K](/filings/0001171843-26-004400.md) | Report of a foreign private issuer, period 2026-06-30 | 0001171843-26-004400 |
| 2026-06-15 | 11:12 ET | [6-K](/filings/0001171843-26-004113.md) | Report of a foreign private issuer, period 2026-06-15 | 0001171843-26-004113 |
| 2026-06-09 | 20:00 ET | [6-K](/filings/0001193125-26-263706.md) | Report of a foreign private issuer, period 2026-06-09 | 0001193125-26-263706 |
| 2026-06-09 | 13:20 ET | [6-K](/filings/0001171843-26-003988.md) | Report of a foreign private issuer, period 2026-06-09 | 0001171843-26-003988 |
| 2026-06-05 | 20:18 ET | [6-K](/filings/0001193125-26-259627.md) | Report of a foreign private issuer, period 2026-06-05 | 0001193125-26-259627 |
| 2026-06-04 | 00:33 ET | [6-K](/filings/0001193125-26-256078.md) | Report of a foreign private issuer, period 2026-06-03 | 0001193125-26-256078 |
| 2026-05-06 | 11:02 ET | [6-K](/filings/0001144800-26-000031.md) | Report of a foreign private issuer, period 2026-05-06 | 0001144800-26-000031 |
| 2026-05-06 | 11:02 ET | [6-K](/filings/0001144800-26-000030.md) | Report of a foreign private issuer, period 2026-03-31 | 0001144800-26-000030 |
| 2026-05-01 | 22:49 ET | [6-K](/filings/0001171843-26-002903.md) | Report of a foreign private issuer, period 2026-04-30 | 0001171843-26-002903 |
| 2026-05-01 | 22:45 ET | [6-K](/filings/0001144800-26-000020.md) | Report of a foreign private issuer, period 2026-04-30 | 0001144800-26-000020 |
| 2026-04-30 | 21:33 ET | [6-K](/filings/0001171843-26-002845.md) | Report of a foreign private issuer, period 2026-04-29 | 0001171843-26-002845 |
| 2026-04-20 | 11:05 ET | [6-K](/filings/0001171843-26-002552.md) | Report of a foreign private issuer, period 2026-04-20 | 0001171843-26-002552 |
| 2026-04-07 | 21:01 ET | [6-K](/filings/0001171843-26-002304.md) | Report of a foreign private issuer, period 2026-04-07 | 0001171843-26-002304 |
| 2026-03-31 | 16:10 ET | [6-K](/filings/0001144800-26-000019.md) | Report of a foreign private issuer, period 2026-03-12 | 0001144800-26-000019 |
| 2026-03-23 | 11:25 ET | [6-K](/filings/0001171843-26-001836.md) | Report of a foreign private issuer, period 2026-03-23 | 0001171843-26-001836 |
| 2026-03-17 | 21:10 ET | [6-K](/filings/0001171843-26-001641.md) | Report of a foreign private issuer, period 2026-03-17 | 0001171843-26-001641 |
| 2026-03-17 | 21:10 ET | [6-K](/filings/0001171843-26-001640.md) | Report of a foreign private issuer, period 2026-03-17 | 0001171843-26-001640 |
| 2026-03-02 | 22:18 ET | [6-K](/filings/0001171843-26-001271.md) | Report of a foreign private issuer, period 2026-03-02 | 0001171843-26-001271 |
| 2026-02-27 | 12:37 ET | [6-K](/filings/0001171843-26-001171.md) | Report of a foreign private issuer, period 2026-02-27 | 0001171843-26-001171 |
| 2026-02-27 | 12:35 ET | [6-K](/filings/0001171843-26-001170.md) | Report of a foreign private issuer, period 2026-02-27 | 0001171843-26-001170 |
| 2026-02-27 | 12:06 ET | [6-K](/filings/0001144800-26-000017.md) | Report of a foreign private issuer, period 2026-02-27 | 0001144800-26-000017 |
| 2026-02-27 | 12:05 ET | [6-K](/filings/0001144800-26-000016.md) | Report of a foreign private issuer, period 2025-12-31 | 0001144800-26-000016 |
| 2026-02-27 | 12:04 ET | [40-F](/filings/0001144800-26-000015.md) | Annual report of a Canadian issuer, period 2025-12-31 | 0001144800-26-000015 |
| 2026-01-28 | 02:00 ET | [6-K](/filings/0001171843-26-000456.md) | Report of a foreign private issuer, period 2026-01-27 | 0001171843-26-000456 |
| 2025-12-22 | 21:27 ET | [6-K](/filings/0001193125-25-328801.md) | Report of a foreign private issuer, period 2025-12-22 | 0001193125-25-328801 |
| 2025-12-18 | 22:30 ET | [6-K](/filings/0001171843-25-008012.md) | Report of a foreign private issuer, period 2025-12-18 | 0001171843-25-008012 |
| 2025-12-17 | 14:01 ET | [6-K](/filings/0001171843-25-007975.md) | Report of a foreign private issuer, period 2025-12-17 | 0001171843-25-007975 |
| 2025-12-15 | 22:23 ET | [6-K](/filings/0001193125-25-319446.md) | Report of a foreign private issuer, period 2025-12-15 | 0001193125-25-319446 |
| 2025-12-15 | 23:46 ET | [6-K](/filings/0001171843-25-007927.md) | Report of a foreign private issuer, period 2025-12-12 | 0001171843-25-007927 |
| 2025-12-15 | 23:41 ET | [6-K](/filings/0001193125-25-317918.md) | Report of a foreign private issuer, period 2025-12-11 | 0001193125-25-317918 |
| 2025-12-09 | 21:53 ET | [6-K](/filings/0001171843-25-007842.md) | Report of a foreign private issuer, period 2025-12-09 | 0001171843-25-007842 |
| 2025-11-17 | 11:30 ET | [6-K](/filings/0001171843-25-007364.md) | Report of a foreign private issuer, period 2025-11-17 | 0001171843-25-007364 |
| 2025-11-06 | 12:46 ET | [6-K](/filings/0001171843-25-007074.md) | Report of a foreign private issuer, period 2025-11-06 | 0001171843-25-007074 |
| 2025-11-06 | 12:06 ET | [6-K](/filings/0001144800-25-000039.md) | Report of a foreign private issuer, period 2025-09-30 | 0001144800-25-000039 |
| 2025-11-06 | 12:04 ET | [6-K](/filings/0001144800-25-000038.md) | Report of a foreign private issuer, period 2025-11-06 | 0001144800-25-000038 |
| 2025-10-22 | 20:49 ET | [6-K](/filings/0001171843-25-006600.md) | Report of a foreign private issuer, period 2025-10-22 | 0001171843-25-006600 |
| 2025-10-08 | 20:39 ET | [6-K](/filings/0001171843-25-006357.md) | Report of a foreign private issuer, period 2025-10-08 | 0001171843-25-006357 |
| 2025-09-18 | 21:09 ET | [6-K](/filings/0001171843-25-005962.md) | Report of a foreign private issuer, period 2025-09-18 | 0001171843-25-005962 |
| 2025-08-01 | 11:30 ET | [6-K](/filings/0001171843-25-004950.md) | Report of a foreign private issuer, period 2025-08-01 | 0001171843-25-004950 |
| 2025-08-01 | 11:01 ET | [6-K](/filings/0001144800-25-000025.md) | Report of a foreign private issuer, period 2025-06-30 | 0001144800-25-000025 |
| 2025-07-30 | 23:10 ET | [6-K](/filings/0001171843-25-004797.md) | Report of a foreign private issuer, period 2025-07-29 | 0001171843-25-004797 |
| 2025-07-03 | 21:09 ET | [6-K](/filings/0001171843-25-004308.md) | Report of a foreign private issuer, period 2025-07-03 | 0001171843-25-004308 |
| 2025-05-28 | 22:21 ET | [6-K](/filings/0001171843-25-003471.md) | Report of a foreign private issuer, period 2025-05-27 | 0001171843-25-003471 |
| 2025-05-07 | 11:17 ET | [6-K](/filings/0001171843-25-002852.md) | Report of a foreign private issuer, period 2025-05-07 | 0001171843-25-002852 |
| 2025-05-07 | 11:01 ET | [6-K](/filings/0001144800-25-000020.md) | Report of a foreign private issuer, period 2025-03-31 | 0001144800-25-000020 |

Page 1 of 14. [Older](/companies/tac/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:05 ET. No prices; not investment advice.