ChipMOS TECHNOLOGIES INC. Files September 2025 6-K Report

Ticker: IMOS · Form: 6-K · Filed: Sep 2, 2025 · CIK: 1123134

Sentiment: neutral

Topics: 6-K, foreign-private-issuer, reporting-update

TL;DR

ChipMOS filed a 6-K on 9/2/25, confirming 20-F annual reports. Standard update.

AI Summary

ChipMOS TECHNOLOGIES INC. filed a Form 6-K on September 2, 2025, reporting for the month of September 2025. The filing indicates that the company is a foreign private issuer and will file annual reports under Form 20-F. The report is signed by S. J. Cheng on behalf of the company.

Why It Matters

This filing serves as an update for investors regarding ChipMOS TECHNOLOGIES INC.'s reporting status and confirms their adherence to SEC regulations for foreign private issuers.

Risk Assessment

Risk Level: low — This is a routine filing that does not contain new financial information or significant operational updates.

Key Players & Entities

FAQ

What type of filing is this Form 6-K?

This Form 6-K is a Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 Under the Securities Exchange Act of 1934.

What period does this report cover?

This report is for the month of September 2025.

Which form will ChipMOS TECHNOLOGIES INC. use for its annual reports?

ChipMOS TECHNOLOGIES INC. will file annual reports under cover of Form 20-F.

Who signed this Form 6-K on behalf of ChipMOS TECHNOLOGIES INC.?

S. J. Cheng signed this Form 6-K on behalf of ChipMOS TECHNOLOGIES INC.

What is the principal executive office address of ChipMOS TECHNOLOGIES INC.?

The principal executive offices are located at No. 1, R&D Rd. 1, Hsinchu Science Park, Hsinchu, Taiwan, Republic of China.

Filing Stats: 1,255 words · 5 min read · ~4 pages · Grade level 10.3 · Accepted 2025-09-02 06:24:38

Key Financial Figures

Filing Documents

SIGNATURES

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. ChipMOS TECHNOLOGIES INC. (Registrant) Date: September 2, 2025 By /S/ S. J. Cheng Name: S. J. Cheng Title: Chairman & President 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 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 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: (1) Actual period for repurchase: 2025/05/

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