Welcome to our dedicated page for Chipmos Technolo SEC filings (Ticker: IMOS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The ChipMOS TECHNOLOGIES INC (IMOS) SEC filings page on Stock Titan brings together the company’s U.S. regulatory disclosures as a foreign private issuer listed on Nasdaq. ChipMOS files reports on Form 20-F and frequent Form 6-K current reports under the Securities Exchange Act of 1934, many of which are English translations of materials filed with the Taiwan Stock Exchange’s Market Observation Post System (MOPS).
Through these filings, investors can review financial statements and earnings information, including quarterly consolidated results prepared in accordance with Taiwan-International Financial Reporting Standards (Taiwan-IFRS). Form 6-K submissions detail operating revenue, gross profit, operating profit, profit or loss attributable to equity holders, basic earnings or losses per share, and balance sheet data such as total assets, total liabilities and equity attributable to equity holders.
ChipMOS also uses 6-K filings to disclose board resolutions and capital actions, such as approval of quarterly financial statements, share repurchase authorizations, execution status of repurchase programs and capital reductions tied to cancellation of treasury shares. These documents provide context on the company’s capital structure and treasury share management.
Other filings address regulatory and environmental matters, including administrative fines related to the Water Pollution Control Act and the company’s remediation steps, as well as clarifications of media reports and notices of board meeting dates for financial statement approval. On Stock Titan, AI-powered tools can help summarize lengthy 6-K exhibits, highlight key financial figures and board decisions, and make it easier to understand how each filing relates to ChipMOS’s semiconductor assembly and test operations.
Investors can use this page to track ChipMOS’s periodic financial reporting, corporate actions and regulatory disclosures in one place, while AI-generated insights assist in interpreting the implications of each filing for IMOS stock.
ChipMOS TECHNOLOGIES INC. filed a Form 6-K announcing it will release its fourth quarter and full year 2025 financial results and host a conference call. The call is scheduled for Tuesday, February 24, 2026 at 3:00 p.m. Taiwan time (2:00 a.m. New York time).
Investors and analysts can join via dial-in at +886-2-3396 1191 using password 1048024#, or access a webcast and replay through the company’s investor relations website. The call will be conducted in Mandarin.
ChipMOS TECHNOLOGIES INC. reported stronger recent results after its securities triggered a Taiwan Stock Exchange disclosure threshold. For November 2025, unaudited revenue was NT$2,140 million, up 16.6% year over year, with net profit before tax of NT$304 million, up 245.5%, and EPS of NT$0.37, up 270.0%. For the reviewed third quarter of 2025, revenue was NT$6,144 million, up 1.3% year over year, net profit before tax was NT$438 million, up 23.4%, and EPS was NT$0.50, up 22.0%. Over the audited/reviewed period from 2024 Q4 to 2025 Q3, revenue totaled NT$22,812 million, net profit before tax was NT$247 million, and EPS was NT$0.31.
ChipMOS TECHNOLOGIES INC. reported strong top-line growth for December 2025 and the fourth quarter of 2025. Fourth quarter revenue reached NT$6,521.1 million (US$207.9 million), up 6.1% from the third quarter of 2025 and 20.8% from the fourth quarter of 2024. This reflects robust demand for memory products used in computing and datacenters, along with a favorable product mix.
December 2025 revenue was NT$2,203.3 million (US$70.2 million), an increase of 2.9% over November 2025 and 23.8% higher than December 2024. The company highlights that it is benefitting from an improved semiconductor industry cycle, leveraging its outsourced assembly and test capabilities across its facilities in Taiwan.
ChipMOS Technologies Inc. reported that Taiwan's HsinChu County Environmental Protection Bureau found boron levels in wastewater from its Zhubei fab exceeded discharge standards, leading to an administrative fine of NT$2,058,000 and a requirement for 2 hours of environmental education.
The company states it has diverted high-concentration wastewater to external treatment and adopted a boron-free process that complies with boron discharge limits. It also plans to file an administrative appeal regarding how the discharge standards were applied and determined in this case.
ChipMOS TECHNOLOGIES INC. furnished a 6-K to share TWSE‑triggered disclosures, providing recent revenue, profit, and EPS figures for investor reference.
For September 2025, revenue was NT$2,087 million (YoY +10.5%), net profit before tax was NT$179 million (YoY +2,137.5%), profit attributable to owners of parent was NT$144 million (YoY +1,340.0%), and EPS was NT$0.20 (YoY +1,900.0%). For 2025Q3 (reviewed), revenue was NT$6,144 million (YoY +1.3%), net profit before tax NT$438 million (YoY +23.4%), profit attributable to owners of parent NT$352 million (YoY +17.7%), and EPS NT$0.50 (YoY +22.0%). The filing also lists recent four-quarter accumulation figures: revenue NT$22,812 million, profit attributable to owners of parent NT$227 million, and EPS NT$0.31.
ChipMOS TECHNOLOGIES INC. reported Board resolutions from its November 11, 2025 meeting, approving Q3 2025 consolidated financials and a capital reduction tied to treasury share cancellation.
For the nine months ended September 30, 2025, results included operating revenue of NT$17,411,824 thousand, gross profit of NT$1,656,928 thousand, operating profit of NT$507,133 thousand, loss before income tax of NT$24,483 thousand, and a net loss attributable to equity holders of NT$4,559 thousand, with basic losses per share of NT$0.01. As of September 30, 2025, total assets were NT$42,945,628 thousand, liabilities NT$19,574,387 thousand, and equity NT$23,371,241 thousand.
The Board approved cancelling 12,717,000 common shares, representing 1.77% of share capital, from the 6th repurchase program. The record date for the NT$127,170,000 capital reduction is November 12, 2025, resulting in a share capital balance of NT$7,045,231,260.
ChipMOS Technologies reported unaudited October 2025 revenue of NT$2,177.4 million (US$70.8 million), up 22.0% year over year and 4.3% from September 2025. Management attributed the increase to robust demand for memory products supporting computing and datacenter applications and a favorable product mix.
The company noted that tariffs have not had a material impact year-to-date and it continues to monitor developments. Figures are presented using an exchange rate of NT$30.75 to US$1.00 as of October 31, 2025.
ChipMOS Technologies Inc. (IMOS) reported that its Board of Directors will meet on November 11, 2025 to approve the Company’s consolidated financial statements for the third quarter of 2025. The notice was announced on November 3, 2025 and reflects an English translation of the Company’s disclosure on the TWSE MOPS. The statement lists no additional matters.
ChipMOS TECHNOLOGIES INC. reported the expiration and results of its share repurchase program. The company repurchased 12,717,000 shares during 2025/09/03–2025/10/31 for a total of NTD 365,222,801 at an average price of NTD 28.72.
The plan authorized up to 15,000,000 shares within a price range of NTD 16.80–32.00 for the 2025/09/03–2025/11/01 period. Management cited a phased approach within the set range as the reason the full amount was not executed. Cumulative treasury shares now total 21,822,000, representing 3.04% of issued shares.