Form 6-K CHUNGHWA TELECOM CO LTD For: May 08

1934 Act Registration No. 1-31731

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

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

Dated May 8, 2026

Chunghwa Telecom Co., Ltd.

(Translation of Registrant’s Name into English)

21-3 Xinyi Road Sec. 1,

Taipei, Taiwan, 100 R.O.C.

(Address of Principal Executive Office)

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

Form 20-F ☒ Form 40-F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes ☐ No ☒

(If “Yes” is marked, indicated below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable)

EXHIBIT INDEX

SIGNATURE

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

EXHIBIT 99.1

The Company announced consolidated financial statements for the three months ended March 31, 2026 approved by the Board of Directors

Date of events: 2026/05/08

Contents:

EXHIBIT 99.2

New appointment of Technology Senior Executive Vice President

Date of events:2026/05/08

Contents:

EXHIBIT 99.3

Board of Directors approved the appointment of senior management

Date of events:2026/05/08

Contents:

The 5th meeting of the 11th Board of Directors resolved as follows: Ms. Hey-Chyi Young, President of Information Technology Group, will be transferred to Technology Senior Executive Vice President on June 30, 2026. Mr. Ming-Tsung Chen, President of New Taipei Branch, will be the successor to Ms. Young as the President of Information Technology Group.