6-K 1 imos-6-k-2025q3_quarter_.htm 6-K

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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 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 ☐

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: November 12, 2025 |  |  |  | ChipMOS TECHNOLOGIES INC. (Registrant)
|  |  |  | By: |  | /S/ S. J. Cheng
|  |  |  | Name: |  | S. J. Cheng
|  |  |  | Title: |  | Chairman & President

EXHIBIT INDEX

Exhibit Number |  | Description
99.1 |  | Press release issued by ChipMOS on November 11, 2025.
99.2 |  | ChipMOS third quarter 2025 conference call presentation material.

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