ChipMOS posts strong Q4 2025 and Jan 2026 results

ChipMOS TECHNOLOGIES INC. disclosed strong recent financial performance after its securities met a Taiwan Stock Exchange disclosure threshold.

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. disclosed strong recent financial performance after its securities met a Taiwan Stock Exchange disclosure threshold. For January 2026, revenue was NT$2,290 million, up 31.2% year over year, with earnings per share of NT$0.24, a 2,300.0% increase.

For the audited fourth quarter of 2025, revenue reached NT$6,521 million, up 20.8% from a year earlier. Net profit before tax was NT$612 million, up 125.8%, and profit attributable to owners of the parent was NT$500 million, up 115.5%, resulting in EPS of NT$0.72, a 125.0% rise.

For the full year 2025, audited revenue was NT$23,933 million, with net profit before tax of NT$587 million, profit attributable to owners of the parent of NT$495 million, and EPS of NT$0.70.

Positive

• Strong revenue growth: January 2026 revenue of NT$2,290 million rose 31.2% year over year, while 2025 Q4 revenue of NT$6,521 million increased 20.8%, indicating solid top-line momentum.
• Sharp profitability improvement: 2025 Q4 EPS of NT$0.72 grew 125.0% year over year, and January 2026 EPS of NT$0.24 was up 2,300.0%, showing significantly stronger earnings versus the prior year.

Negative

• None.

Insights

Equity research analyst

ChipMOS reports strong revenue and profit growth in late 2025 and January 2026.

ChipMOS TECHNOLOGIES INC. shows broad-based improvement across revenue, profit and EPS. January 2026 revenue of NT$2,290 million grew 31.2% year over year, while EPS of NT$0.24 rose 2,300.0%, indicating a much more profitable month than the prior year.

The audited 2025 fourth quarter also looks robust, with revenue of NT$6,521 million up 20.8% and EPS of NT$0.72 up 125.0% versus the prior-year quarter. Full-year 2025 EPS of NT$0.70 aligns closely with that strong fourth-quarter level, suggesting a heavy earnings contribution late in the year.

The disclosure was triggered because the company’s securities reached a Taiwan Stock Exchange publication threshold on 2026/03/02. Future company filings may offer more detail on drivers such as end-market demand, pricing, or mix shifts behind these large percentage gains.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What financial trigger led ChipMOS (IMOS) to disclose this information?

ChipMOS disclosed these figures because its securities reached a publication threshold set by the Taiwan Stock Exchange. This required additional financial transparency for investors, prompting the company to release recent revenue, profit, and EPS data via the Market Observation Post System.

How did ChipMOS (IMOS) perform in January 2026?

In January 2026, ChipMOS reported revenue of NT$2,290 million, up 31.2% year over year. Net profit before tax reached NT$206 million, and profit attributable to owners of the parent was NT$169 million, resulting in EPS of NT$0.24, a 2,300.0% increase.

What were ChipMOS (IMOS) results for the fourth quarter of 2025?

For the audited fourth quarter of 2025, ChipMOS generated revenue of NT$6,521 million, up 20.8% year over year. Net profit before tax was NT$612 million, while profit attributable to owners of the parent was NT$500 million, producing EPS of NT$0.72, a 125.0% increase.

How did ChipMOS (IMOS) perform for the full year 2025?

For the audited period 2025Q1–2025Q4, ChipMOS reported revenue of NT$23,933 million. Net profit before tax totaled NT$587 million, and profit attributable to owners of the parent was NT$495 million, resulting in full-year EPS of NT$0.70 based on the disclosed figures.

What profitability trends are visible in ChipMOS (IMOS) recent data?

ChipMOS shows notable profitability expansion, with 2025 Q4 net profit before tax up 125.8% year over year and EPS up 125.0%. January 2026 results extend this trend, as net profit before tax and EPS rose several thousand percent versus the prior-year month.

Where can investors find more detailed ChipMOS (IMOS) financial information?

Investors can review detailed figures on Taiwan’s Market Observation Post System. Relevant paths include summaries of current revenue and income, monthly sales revenue statements, audited or reviewed financial statements, and self-assessed income or loss, all presented under the IFRS-based reporting sections.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 06:05 AM Learn about SEC filing dates

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 March 2026

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.

						ChipMOS TECHNOLOGIES INC.
						(Registrant)
Date: March 2, 2026				By		/S/ S. J. Cheng
				Name:		S. J. Cheng
				Title:		Chairman & President

Below is the English version of our filing at Market Observation Post System (MOPS) of Taiwan Stock Exchange Corporation (TWSE) on March 2, 2026.

Date of announcement: 2026/03/02

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: 2026/03/02

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: 2026/03/02

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

3.Financial and business information:

Period		Month				Quarter				Recent 4 quarter accumulation
Account		Most recent month (January 2026) (Unaudited)		YoY%		Most recent quarter (2025Q4) (Audit)		YoY%		2025Q1~2025Q4 (Audit)
Revenue (NT$ million)		2,290		31.2%		6,521		20.8%		23,933
Net profit before tax (NT$ million)		206		6,766.7%		612		125.8%		587
Profit attributable to owners of parent (NT$ million)		169		2,716.7%		500		115.5%		495
EPS (unit:NT$)		0.24		2,300.0%		0.72		125.0%		0.70

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:

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

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

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

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

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