TAC 6-K 2026 - Equibles

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2026

TRANSALTA CORPORATION

(Translation of registrant’s name into English)

1400, 1100 - 1st Street S.E., Calgary, Alberta, T2G 1B1

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F____ Form 40-F X

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	TransAlta Corporation
By:	/s/ Nancy Brennan
	Nancy Brennan<br>Executive Vice President,<br>Chief Legal and External Affairs Officer<br>and Corporate Secretary

Date: April 30, 2026

EXHIBIT INDEX

99.1 Report of Voting Results for TransAlta Corporation Annual and Special Meeting of Shareholders held April 30, 2026

Document

Exhibit 99.1

TRANSALTA CORPORATION (the “Corporation”)

Annual and Special Meeting of Shareholders (the “Meeting”)

April 30, 2026

REPORT OF VOTING RESULTS

NI 51-102 – Continuous Disclosure Obligations, Section 11.3

Matters Voted Upon

The total number of common shares represented by shareholders present at the Meeting and by proxy was 188,939,751 representing 63.55% of the Corporation’s outstanding common shares.

1.Election of Directors

The nine director nominees proposed by management were elected. The votes by ballot were received as follows:

Nominee	Votes For	Per cent	Against	Per cent
Brian Baker	169,367,796	92.54	13,662,120	7.46
John P. Dielwart	181,971,364	99.42	1,058,552	0.58
Laura W. Folse	182,079,603	99.48	950,310	0.52
Joel E. Hunter	182,377,197	99.64	652,249	0.36
Thomas M. O’Flynn	182,117,078	99.50	912,838	0.50
Bryan D. Pinney	181,353,532	99.08	1,676,382	0.92
James Reid	182,367,358	99.64	662,558	0.36
Manjit K. Sharma	182,312,612	99.61	717,302	0.39
Sandra R. Sharman	181,766,236	99.31	1,261,882	0.69

2.Appointment of Auditors

The appointment of Ernst & Young LLP to serve as the auditors for 2026 was approved. The votes by ballot were received as follows:

Votes For	Per cent	Withheld	Per cent
187,406,979	99.19	1,532,770	0.81

3.Advisory Vote on Executive Compensation

The non-binding advisory vote to accept the Corporation's approach to executive compensation was approved. The votes by ballot were received as follows:

Votes For	Per cent	Against	Per cent
176,968,517	96.69	6,061,396	3.31

4.Increase in Common Shares Reserved for Issuance under Share Unit Plan

The resolution approving the increase in the number of common shares reserved for issuance under the Corporation’s Share Unit Plan was approved. The votes by ballot were received as follows:

Votes For	Per cent	Against	Per cent
186,169,941	98.53	2,769,806	1.47