ChipMOS August revenue rises 33.3% year over year

ChipMOS posted a 33.3% year-over-year revenue increase in August 2026, supported by strong AI-driven memory demand.

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. (IMOS) reported strong August 2026 monthly revenue growth. Unaudited consolidated revenue was NT$2,785.7 million, or US$88.0 million at an exchange rate of NT$31.67 to US$1.00. This was 1.3% lower month over month but 33.3% higher year over year versus August 2025.

The company stated it continues to benefit from strong memory demand, driven by a persistent AI-related demand/supply imbalance. ChipMOS is working closely with customers on near- and long-term requirements and is maintaining disciplined footprint expansion, adding new capacity only in line with committed customer demand.

Positive

• August 2026 revenue grew 33.3% year over year to NT$2,785.7 million (US$88.0 million), indicating significantly higher business volume versus August 2025, supported by strong memory demand tied to AI-related applications.

Negative

• None.

Key Figures

August 2026 Revenue (NT$): NT$2,785.7 million August 2026 Revenue (US$): US$88.0 million Month-over-Month Change: -1.3% +4 more

7 metrics

August 2026 Revenue (NT$) NT$2,785.7 million Unaudited consolidated revenue for August 2026

August 2026 Revenue (US$) US$88.0 million Converted at NT$31.67 to US$1.00 as of August 31, 2026

Month-over-Month Change -1.3% Revenue change from July 2026 to August 2026

Year-over-Year Change 33.3% Revenue change from August 2025 to August 2026

July 2026 Revenue (NT$) NT$2,823.0 million Unaudited consolidated revenue for July 2026

August 2025 Revenue (NT$) NT$2,090.3 million Unaudited consolidated revenue for August 2025

Exchange Rate NT$31.67 per US$1.00 Rate used to translate August 2026 revenue into U.S. dollars

Key Terms

outsourced semiconductor assembly and test services, AI-related demand/supply imbalance, forward-looking statements, foreign private issuer

4 terms

outsourced semiconductor assembly and test services technical

"an industry leading provider of outsourced semiconductor assembly and test services"

Companies that provide outsourced semiconductor assembly and test services take manufactured silicon chips and handle the physical packaging, final electrical testing and quality checks before the chips are shipped to customers. Think of them as a specialized fulfillment and inspection center for delicate electronics; their work affects device reliability, delivery times and cost structures, so investors watch them for supply‑chain risk, capacity constraints, technological competitiveness and margin trends.

AI-related demand/supply imbalance technical

"benefit from strong memory demand led by a persistent AI-related demand/supply imbalance"

A mismatch between how much businesses and consumers want artificial intelligence products, services, talent, data, or computing power and how much the market can supply at a given price and time. Think of it like a sudden rush for a popular toy: if demand outstrips supply prices, wait times, or profit margins can change; if supply exceeds demand, sellers may cut prices or slow investment. For investors, this dynamic can influence company revenues, costs, capital spending, and the pace of industry consolidation.

forward-looking statements regulatory

"This press release may contain certain forward-looking statements"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

FAQ

How much revenue did ChipMOS (IMOS) generate in August 2026?

ChipMOS reported unaudited consolidated revenue of NT$2,785.7 million, or US$88.0 million, for August 2026, using an exchange rate of NT$31.67 to US$1.00.

What was ChipMOS (IMOS) year-over-year revenue growth in August 2026?

August 2026 revenue increased 33.3% year over year, rising from NT$2,090.3 million in August 2025 to NT$2,785.7 million.

How did ChipMOS (IMOS) August 2026 revenue compare to July 2026?

Revenue in August 2026 was NT$2,785.7 million versus NT$2,823.0 million in July 2026, a 1.3% month-over-month decrease.

What demand drivers did ChipMOS (IMOS) highlight for its August 2026 results?

ChipMOS stated it continues to benefit from strong memory demand driven by a persistent AI-related demand/supply imbalance, and is coordinating with customers on near- and long-term requirements.

How is ChipMOS (IMOS) approaching capacity expansion?

ChipMOS stated it remains disciplined in footprint expansion, with new capacity aligned to committed customer demand, indicating a cautious approach to adding manufacturing capability.

In what currencies did ChipMOS (IMOS) present August 2026 revenue figures?

ChipMOS presented August 2026 revenue in both New Taiwan dollars and U.S. dollars: NT$2,785.7 million and US$88.0 million, using an exchange rate of NT$31.67 to US$1.00.

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

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Available on EDGAR 09/10/2026 - 06:05 AM Accepted by SEC EDGAR 09/10/2026 - 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 September 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: September 10, 2026				By		/S/ S. J. Cheng
				Name:		S. J. Cheng
				Title:		Chairman & President

Contacts:

In Taiwan Jesse Huang ChipMOS TECHNOLOGIES INC. +886-6-5052388 ext. 7715 IR@chipmos.com In the U.S. David Pasquale Global IR Partners +1-914-337-8801 dpasquale@globalirpartners.com

ChipMOS REPORTS 33.3% YoY INCREASE IN AUGUST 2026 REVENUE

Hsinchu, Taiwan, September 10, 2026 - 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 reported its unaudited consolidated revenue for the month of August 2026. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$31.67 to US$1.00 as of August 31, 2026.

Revenue for the month of August 2026 was NT$2,785.7 million or US$88.0 million, representing a decrease of 1.3% from July 2026, and an increase of 33.3% from August 2025. The Company noted it continues to benefit from strong memory demand led by a persistent AI-related demand/supply imbalance. The Company is working closely with customers to support their near- and long-term requirements, and remains disciplined in investing in footprint expansion, with new capacity aligned to committed customer demand.

Consolidated Monthly Revenues (Unaudited)
	August 2026	July 2026	August 2025	MoM Change	YoY Change
Revenues    (NT$ million)	2,785.7	2,823.0	2,090.3	-1.3%	33.3%
Revenues    (US$ million)	88.0	89.1	66.0	-1.3%	33.3%

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.