# EDGAR Filing Document

**Accession Number:** 0001123134
**File Stem:** 0000950170-25-095452
**Filing Date:** 2025-7
**Character Count:** 3927
**Document Hash:** ed3393a6d091141feadb2dc20c24fbf9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-095452.hdr.sgml**: 20250714

**ACCESSION NUMBER**: 0000950170-25-095452

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250714

**FILED AS OF DATE**: 20250714

**DATE AS OF CHANGE**: 20250714

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CHIPMOS TECHNOLOGIES INC
- **CENTRAL INDEX KEY:** 0001123134
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** F5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37928
- **FILM NUMBER:** 251120064

**BUSINESS ADDRESS:**
- **STREET 1:** NO. 1, R & D ROAD 1
- **STREET 2:** HSINCHU SCIENCE PARK, HSINCHU
- **CITY:** TAIWAN
- **STATE:** F5
- **ZIP:** 00000
- **BUSINESS PHONE:** 866-3-5770055

**MAIL ADDRESS:**
- **STREET 1:** NO. 1, R & D ROAD 1
- **STREET 2:** HSINCHU SCIENCE PARK, HSINCHU
- **CITY:** TAIWAN
- **STATE:** F5
- **ZIP:** 00000

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**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, DC 20549**

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**FORM 6-K**

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**REPORT OF FOREIGN PRIVATE ISSUER**

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

**UNDER THE SECURITIES EXCHANGE ACT OF 1934**

**For the month of July 2025**

**Commission File Number 001-37928** 

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**ChipMOS TECHNOLOGIES INC.**

**(Translation of Registrant's Name Into English)**

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

**Hsinchu, Taiwan**

**Republic of China**

**(Address of Principal Executive Offices)**

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(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 ☐

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**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.

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| | | |
|:---|:---|:---|
|  |  | ChipMOS TECHNOLOGIES INC. |
|  |  | (Registrant) |
| Date: July 14, 2025 | By | /S/ S. J. Cheng |
|  | Name: | S. J. Cheng |
|  | Title: | Chairman & President |

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Below is the English version of our July 14, 2025 filing on the Taiwan Stock Exchange Corporation's Market Observation Post System (MOPS).

**Date of announcement:** 2025/07/14

**Subject:** Announcement of the Company's shares repurchase expiration and execution status

**Date of events:** 2025/07/13

**To which item it meets:** Article 4, Paragraph 1, Item 35 of the Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Companies with Listed Securities

**Statement:**

1. Originally determined ceiling on total monetary amount of the share repurchase (NTD): 16,793,289,000

2. Originally scheduled period for the repurchase: 2025/05/14~2025/07/13

3. Originally determined number of shares to be repurchased (shares): 15,000,000

4. Originally determined repurchase price range (NTD): 18.87~35.00

5. Actual period of the current repurchase: 2025/05/14~2025/07/11

6. Number of shares currently repurchased (shares): 9,105,000

7. Total monetary amount of shares currently repurchased (NTD): 256,939,675

8. Current average repurchase price per share (NTD): 28.22

9. Cumulative number of the company's own shares held (shares): 9,105,000

10. Cumulative number of the company's own shares as a percentage of the total number of the company's issued shares (%): 1.27

11. Reason for non-completion of the current share repurchase: In order to protect the interests of shareholders and take into account the market mechanisms, the Company adopted a phased repurchase strategy within the price range depending on the stock price changes. As the result, the repurchase was not fully executed.

12. Any other matters that need to be specified: None

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