# EDGAR Filing Document

**Accession Number:** 0001123134
**File Stem:** 0001193125-25-193310
**Filing Date:** 2025-9
**Character Count:** 15020
**Document Hash:** 98dba5c77f07abf4a90fc40cf0cc38c1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-193310.hdr.sgml**: 20250902

**ACCESSION NUMBER**: 0001193125-25-193310

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20250902

**FILED AS OF DATE**: 20250902

**DATE AS OF CHANGE**: 20250902

**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:** 251282869

**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 September 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: September 2, 2025 | By | /S/ S. J. Cheng |
|  | Name: | S. J. Cheng |
|  | Title: | Chairman & President |

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English translation of Company's September 2, 2025 filing with the Taiwan Stock Exchange Corporation's ("TWSE") Market Observation Post System ("MOPS"). Attached as Exhibit 99.1 is our related press release issued on September 2, 2025.

**Date of announcement:** 2025/09/02

**Subject:** Announcement of the Company's Board of Directors resolution to repurchase shares

**Date of events:** 2025/09/02

**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. Date of the board of directors resolution: 2025/09/02

2. Purpose of the share repurchase: To maintain the Company's credibility and shareholders' equity

3. Type of shares to be repurchased: Common shares

4. Ceiling on total monetary amount of the share repurchase (NTD): 16,214,828,000

5. Scheduled period for the repurchase: 2025/09/03~2025/11/02

6. Number of shares to be repurchased (shares): 15,000,000

7. Repurchase price range (NTD): 16.80~32.00, repurchase to continue even when the share price falls below the lower end of such price range

8. Method for the repurchase: To repurchase in the centralized securities exchange market

9. Shares to be repurchased as a percentage of total issued shares of the Company (%): 2.09

10. Cumulative number of the Company's own shares held at the time of reporting (shares): 9,105,000

11. Status of repurchases within three years prior to the time of reporting:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)Actual period for repurchase: 2025/05/14~2025/07/11; Scheduled repurchase (shares): 15,000,000; Actual repurchase (shares): 9,105,000; Status of implementation (Actual shares repurchase as a percentage of scheduled repurchase): 61.00%

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)Actual period for repurchase: 2025/02/03~2025/03/14; Scheduled repurchase (shares): 10,000,000; Actual repurchase (shares): 10,000,000; Status of implementation (Actual shares repurchase as a percentage of scheduled repurchase): 100%

12. Status of repurchases that have been reported but not yet completed: During the Company's fifth share repurchase period, 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.

13. Minutes of the board of directors meeting that resolved for the share repurchase:

Subject: The Company intends to repurchase shares as treasury shares and cancel such treasury shares in accordance with the law.

Explanatory Note:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.According to Articles 28-2 of the "Securities and Exchange Act" and "Regulations Governing Share Repurchase by Exchange-Listed and OTC-Listed Companies".

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.The proposed details for the repurchase of the Company's shares are as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)Purpose of the share repurchase: To maintain the Company's credibility and shareholders' equity.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)Type of shares to be repurchased: Common shares.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)Maximum total amount of shares to be repurchased: NT$480,000,000.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)Scheduled period for the repurchase: 2025/09/03~2025/11/02.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5)Number of shares to be repurchased: 15,000,000 shares (A percentage of total issued shares of the Company: 2.09%).

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6)Repurchase price range: NT$16.80~NT$32.00, repurchase to continue even when the share price falls below the lower end of such price range.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7)Method for the repurchase: Authorize a securities firm to repurchase in the centralized securities exchange market using open market purchases.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.The reasonableness of the price of the shares to be repurchased has been obtained from KGI Securities Co., Ltd., please refer to Attachment 1.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.The maintenance of the Company's capital would not be affected by the repurchase, please refer to Attachment 2.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.It is proposed that the Chairman be authorized and their designee to fully represent the Company in handling matters related to the share repurchase and cancellation, including but not limited to determining the actual total number of shares to be repurchased, daily repurchase quantities, the actual transaction price per share, and signing related documents.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.This proposal has been approved by the 10th meeting of the 7th Audit Committee, and is hereby submitted to the Board of Directors for approval.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.Based on the foregoing, this proposal is hereby submitted to the Board of Directors for approval.

Resolution: Approved by all members present in the meeting.

14. The Rules for Transfer of Shares set forth in Article 10 of the Regulations Governing Share Repurchase by Exchange-Listed and OTC-Listed Companies: N/A

15. The Rules for Conversion of Shares or the Rules for Subscription of Shares set forth in Article 11 of the Regulations Governing Share Repurchase by Exchange-Listed and OTC-Listed Companies: N/A

16. Declaration that the financial status of the Company has been considered by the board of directors, and that its capital maintenance will not be affected:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.The Company resolved to repurchase 15,000,000 shares within two months from the date of filing through the centralized securities exchange market (the place of business of a securities firm), on September 2, 2025, during the 11th meeting of the 11th Board of Directors, with more than two-thirds of the directors present and a majority of the attending directors in agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.The total number of shares to be repurchased represents approximately 2.09% of the Company's issued shares, and the maximum amount required for the repurchase accounts for approximately 2.08% of the Company's current assets. The Board of Directors has duly considered the Company's financial position and hereby declares that the repurchase of the aforementioned shares is based on the current valuation not fully reflecting the Company's long-term fundamentals and it will not affect the maintenance of the Company's capital.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.This declaration has been approved by the aforementioned Board meeting, with all nine attending directors consenting to its contents. This statement is hereby issued.

17. Appraisal or opinion by a CPA or securities underwriter about the reasonableness of the share repurchase price:

According to the evaluation opinion provided by KGI Securities Co., Ltd., the proposed repurchase price range for the Company's shares, set between NT$16.80 and NT$32.00 per share, is deemed reasonable. The evaluation also concludes that the repurchase will not have any significant adverse impact on the Company's financial structure, net asset value per share, earnings per share, return on equity, liquidity ratio, etc.

The total amount for the proposed share repurchase, calculated at the maximum price of NT$32.00 per share, is NT$480 million. Based on the Company's Q2 2025 financial report, retained earnings (excluding special reserves), capital surplus, realized capital reserves, and the amounts deducted for declared distributions collectively amount to NT$16,214,828 thousand. This figure represents the maximum allowable amount for share repurchases, as stipulated by the "Regulations Governing Share Repurchase by Exchange-Listed and OTC-Listed Companies".

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The calculations confirm that the proposed repurchase amount does not exceed the regulatory limits, and the predetermined repurchase price range is deemed reasonable.

18. Other matters stipulated by the SFB: None

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EXHIBIT INDEX

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| | |
|:---|:---|
| &nbsp;&nbsp;<u>Exhibit Number</u> | &nbsp;&nbsp;<u>Description</u> |
| &nbsp;&nbsp;99.1 | &nbsp;&nbsp;[<u>Press release issued by ChipMOS on September 2, 2025.</u>](imos-ex99_1.htm) |

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## Exhibit 99.1

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| | |
|:---|:---|
| ![img9907805_0.jpg](img9907805_0.jpg) | **Exhibit 99.1** |

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**Contacts:**

<u>In Taiwan</u>Jesse HuangChipMOS TECHNOLOGIES INC.+886-6-5052388 ext. 7715IR@chipmos.com <u>In the U.S.</u>David PasqualeGlobal IR Partners+1-914-337-8801dpasquale@globalirpartners.com

**ChipMOS ANNOUNCES NT$480 MILLION SHARE REPURCHASE PROGRAM**

**Hsinchu, Taiwan, September 2, 2025** - ChipMOS TECHNOLOGIES INC. ("ChipMOS" or the "Company") (Taiwan Stock Exchange: 8150 and Nasdaq: IMOS), an industry leading provider of outsourced semiconductor assembly and test services ("OSAT"), today announced that its Board of Directors authorized a new share repurchase program with the total amount up to NT$480 million (approximately US$15.7 million, based on the exchange rate of NT$30.59 to US$1.00 as of August 29, 2025).

Under the program, the company will repurchase up to 15 million shares from the open market on the Taiwan Stock Exchange, approximately 2.09% of its issued share capital. The shares can be repurchased in the price range of NT$16.80 or lower and up to NT$32.00 per share. The authorization repurchase program period is from September 3 to November 2, 2025.

S.J. Cheng, Chairman and President of ChipMOS, said, "The Board's authorization of our latest share repurchase is inline with our capital allocation strategy and reflects our conviction that our shares are undervalued and represent a highly compelling investment opportunity. This move underscores our confidence in the long-term strength of our business as we continue to focus on supporting our customers, and our commitment to build long-term shareholder value."

**About ChipMOS TECHNOLOGIES INC.:**

ChipMOS TECHNOLOGIES INC. ("ChipMOS" or the "Company") (Taiwan Stock Exchange: 8150 and Nasdaq: IMOS) (www.chipmos.com) is an industry leading provider of outsourced semiconductor assembly and test services. With advanced facilities in Hsinchu Science Park, Hsinchu Industrial Park and Southern Taiwan Science Park in Taiwan, ChipMOS is known for its track record of excellence and history of innovation. The Company provides end-to-end assembly and test services to leading fabless semiconductor companies, integrated device manufacturers and independent semiconductor foundries serving virtually all end markets worldwide.

**Forward-Looking Statements:**

This press release may contain certain forward-looking statements. These forward-looking statements may be identified by words such as 'believes,' 'expects,' 'anticipates,' 'projects,' 'intends,' 'should,' 'seeks,' 'estimates,' 'future' or similar expressions or by discussion of, among other things, strategies, goals, plans or intentions. These statements may include financial projections and estimates and their underlying assumptions, statements regarding current macroeconomic conditions, including the impacts of high inflation, foreign exchange rates and risk of recession, on demand for our products, consumer confidence and financial markets generally; changes in trade regulations, policies, and agreements and the imposition of tariffs that affect our products or operations, including potential new tariffs that may be imposed and our ability to mitigate with respect to future operations, products and services, and statements regarding future performance. Actual results may differ materially in the future from those reflected in forward-looking statements contained in this document, based on a number of important factors and risks, which are more specifically identified in the Company's most recent U.S. Securities and Exchange Commission (the "SEC") filings. Further information regarding these risks, uncertainties and other factors are included in the Company's most recent Annual Report on Form 20-F filed with the SEC and in its other filings with the SEC.

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