ChipMOS (IMOS) delivers double-digit revenue and triple-digit profit growth

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. reported significantly stronger recent results after its securities triggered a Taiwan Stock Exchange disclosure threshold. For February 2026, unaudited revenue was NT$2,144 million, up 22.2% year over year, while net profit before tax reached NT$94 million, up 687.5%. Profit attributable to owners of the parent was NT$86 million, an increase of 1,533.3%, and EPS was NT$0.12, up 1,300.0%. For audited 2025 Q4, revenue was NT$6,521 million (up 20.8%), net profit before tax NT$612 million (up 125.8%), profit attributable to owners of parent NT$500 million (up 115.5%), and EPS NT$0.72 (up 125.0%). Full-year 2025 audited revenue totaled NT$23,933 million with EPS of NT$0.70.

Positive

• Broad-based growth in revenue and earnings: February 2026 revenue rose 22.2% year over year, while profit attributable to owners of parent increased 1,533.3% and EPS climbed 1,300.0%, signaling a sharp rebound in profitability.
• Strong audited Q4 and full-year 2025 performance: 2025 Q4 revenue grew 20.8% with profit attributable to owners of parent up 115.5% and EPS up 125.0%, supported by full-year audited revenue of NT$23,933 million.

Negative

• None.

Insights

Equity analyst

ChipMOS shows strong revenue and profit rebounds with triple‑digit earnings growth.

ChipMOS reports broad-based improvement. February 2026 revenue of NT$2,144 million grew 22.2% year over year, while 2025 Q4 revenue of NT$6,521 million rose 20.8%. This indicates solid demand momentum across its packaging and testing services.

Profitability improved even faster. February 2026 profit attributable to owners of the parent jumped to NT$86 million, up 1,533.3%, and 2025 Q4 reached NT$500 million, up 115.5%. EPS followed, with February at NT$0.12 and 2025 Q4 at NT$0.72, reflecting both higher volumes and better margins. Future disclosures in company filings may provide more detail on segment drivers.

Key Figures

February 2026 revenue: NT$2,144 million February 2026 profit attributable: NT$86 million February 2026 EPS: NT$0.12 +5 more

8 metrics

February 2026 revenue NT$2,144 million Most recent month, unaudited; up 22.2% YoY

February 2026 profit attributable NT$86 million Most recent month, up 1,533.3% YoY

February 2026 EPS NT$0.12 Most recent month, up 1,300.0% YoY

Q4 2025 revenue NT$6,521 million Audited quarter, up 20.8% YoY

Q4 2025 profit attributable NT$500 million Audited quarter, up 115.5% YoY

Q4 2025 EPS NT$0.72 Audited quarter, up 125.0% YoY

Full-year 2025 revenue NT$23,933 million Audited 2025 Q1–Q4

Full-year 2025 EPS NT$0.70 Audited 2025 Q1–Q4

Key Terms

Market Observation Post System (MOPS), profit attributable to owners of parent, EPS, YoY%, +1 more

5 terms

Market Observation Post System (MOPS) regulatory

"Below is the English version of our filing at Market Observation Post System (MOPS)"

profit attributable to owners of parent financial

"Profit attributable to owners of parent (NT$ million)"

EPS financial

"EPS ($) | | 0.12 | | 1,300.0% | | 0.72"

Earnings per share (EPS) measures how much profit a company makes for each outstanding share of its stock by dividing the company’s profit after expenses by the number of shares. It matters to investors because it shows how much of the company’s “pie” each share represents—higher EPS usually signals greater profitability per share, helps compare companies of different sizes, and influences stock valuations and investor decisions.

YoY% financial

"Most recent month (February 2026) (Unaudited) | | YoY%"

Article 4, Paragraph 1, Item 51 regulatory

"To which item it meets: Article 4, Paragraph 1, Item 51"

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FAQ

How did ChipMOS (IMOS) perform in February 2026?

ChipMOS reported February 2026 unaudited revenue of NT$2,144 million, up 22.2% year over year. Profit attributable to owners of the parent was NT$86 million, up 1,533.3%, and EPS reached NT$0.12, an increase of 1,300.0%.

What were ChipMOS (IMOS) audited results for Q4 2025?

For Q4 2025, ChipMOS reported audited revenue of NT$6,521 million, up 20.8% year over year. Net profit before tax was NT$612 million and profit attributable to owners of parent was NT$500 million, both more than doubling versus the prior year.

What full-year 2025 figures did ChipMOS (IMOS) disclose?

For 2025, ChipMOS disclosed audited revenue of NT$23,933 million. Net profit before tax was NT$587 million, profit attributable to owners of parent was NT$495 million, and EPS was NT$0.70, reflecting improved profitability over the year.

How fast is ChipMOS (IMOS) earnings growing year over year?

ChipMOS reported very strong earnings growth. February 2026 profit attributable to owners of parent rose 1,533.3% year over year, while Q4 2025 profit attributable to owners of parent increased 115.5% and Q4 EPS grew 125.0% versus the prior-year quarter.

Why did ChipMOS (IMOS) release this financial information?

ChipMOS disclosed these figures because its securities reached a publication threshold set by the Taiwan Stock Exchange. The company therefore provided selected monthly, quarterly, and recent four-quarter financial data to give investors additional reference information on its performance.

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 April 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: April 23, 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 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:

Period		Month				Quarter				Recent 4 quarter accumulation
Account		Most recent month (February 2026) (Unaudited)		YoY%		Most recent quarter (2025Q4) (Audit)		YoY%		2025Q1~2025Q4 (Audit)
Revenue (NT$ million)		2,144		22.2%		6,521		20.8%		23,933
Net profit before tax (NT$ million)		94		687.5%		612		125.8%		587
Profit attributable to owners of parent (NT$ million)		86		1,533.3%		500		115.5%		495
EPS (unit:NT$)		0.12		1,300.0%		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