UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2025

Commission File Number 001-37928

ChipMOS TECHNOLOGIES INC.

(Translation of Registrant’s Name Into English)

No. 1, R&D Rd. 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic of China

(Address of Principal Executive Offices)

(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 ☐

EXPLANATORY NOTE

This Form 6-K/A is being filed by ChipMOS TECHNOLOGIES INC. (the “Company”) as an amendment to the Form 6-K dated May 28, 2025. The purpose of this Form 6-K/A is to amend the Press Release filed as part of the Form 6-K dated May 28, 2025 to provide an updated ADS cash dividend distribution ratio.

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.

Dated: June 13, 2025	ChipMOS TECHNOLOGIES INC.         (Registrant)
	By:	/S/ S. J. Cheng
	Name:	S. J. Cheng
	Title:	Chairman & President

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Press release issued by ChipMOS on June 13, 2025.

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