# EDGAR Filing Document

**Accession Number:** 0001123134
**File Stem:** 0001193125-26-171730
**Filing Date:** 2026-4
**Character Count:** 4859
**Document Hash:** dec9d89abf27e5beed6c2c10a0482b76
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-171730.hdr.sgml**: 20260423

**ACCESSION NUMBER**: 0001193125-26-171730

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260423

**FILED AS OF DATE**: 20260423

**DATE AS OF CHANGE**: 20260423

**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:** 26885386

**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 April 2026**

**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: April 23, 2026 | By | /S/ S. J. Cheng |
|  | Name: | S. J. Cheng |
|  | Title: | Chairman & President |

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Below is the English version of our filing at Market Observation Post System (MOPS) of Taiwan Stock Exchange Corporation (TWSE) on April 23, 2026.

Date of announcement: 2026/04/23

Subject: Because the Company's securities reached the threshold for publication set by TWSE, Company discloses relevant financial information for investors' reference.

Date of events: 2026/04/23

To which item it meets: Article 4, Paragraph 1, Item 51 of the Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Companies with Listed Securities

Statement:

1. Date of occurrence of the event: 2026/04/23

2. Cause of occurrence: The Company received notification from Taiwan Stock Exchange Corporation

3. Financial and business information:

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| | | | | | |
|:---|:---|:---|:---|:---|:---|
| Period | Month | Month | Quarter | Quarter | Recent 4 quarter accumulation |
| Account | Most recent month<br>(February 2026)<br>(Unaudited) | YoY% | Most recent quarter<br>(2025Q4)<br>(Audit) | YoY% | <br>2025Q1~2025Q4<br>(Audit) |
| Revenue<br>(NT$ million) | 2144 | 22.2% | 6521 | 20.8% | 23933 |
| Net profit before tax<br>(NT$ million) | 94 | 687.5% | 612 | 125.8% | 587 |
| Profit attributable to owners of parent<br>(NT$ million) | 86 | 1,533.3% | 500 | 115.5% | 495 |
| EPS<br>(unit:NT$) | 0.12 | 1,300.0% | 0.72 | 125.0% | 0.70 |

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4. Any matters regarding to "Taiwan Stock Exchange Corporation Procedure for Verification and Disclosure of Material Information of Companies with Listed Securities" Article 4 that need to be specified: None

5. Any matters regarding to "Taiwan Stock Exchange Corporation Procedure for Verification and Disclosure of Material Information of Companies with Listed Securities" Article 11 that need to be specified: None

6. Please inquiry the items of financial Information on the website of MOPS, and the paths as follow:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)Current sales revenue/income(loss): Summaries>Financial Information applicable after adopting IFRSs

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)Historic sales revenue per month: Operating Statements>Monthly Sales Revenue> Statement of Sales Revenue (after adopting IFRSs)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)Historic income or loss (audited/reviewed by the CPA): Financial Statements> FINANCIAL STATEMENT after adopting IFRSs>Balance Sheet/Income Statement

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)Historic income or loss (self-assessed): Operating Statements>Self-assessed income or loss:

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

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