IMOS · Nasdaq · CIK 0001123134

CHIPMOS TECHNOLOGIES INC

CHIPMOS TECHNOLOGIES INC’s most recent SEC filing in our snapshot is a Form 6-K filed on Oct 21, 2026. In fiscal 2024 (year ended Dec 31, 2024) it reported revenue of TWD 22.7B and net income of TWD 1.4B, according to its XBRL data on EDGAR. Its EDGAR record lists 0 Form 4 insider filings from the 12 months before our last refresh.

SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. See all filings on sec.gov.

Revenue, FY2024
TWD 22.7B
Net income, FY2024
TWD 1.4B
Form 4 filings on record, past 12 months
0

Company overview

Legal name (as filed)
CHIPMOS TECHNOLOGIES INC
Ticker
IMOS
SEC Central Index Key (CIK)
0001123134
Industry (SIC)
Semiconductors & Related Devices (code 3674)
Business address
TAIWAN, Taiwan
State or country of incorporation
Taiwan
Fiscal year ends
December 31
SEC filer category
Large accelerated filer
Position in SEC ticker list
#2013 of the 3,000 companies we track

Five-year financial highlights

Full-year figures from CHIPMOS TECHNOLOGIES INC’s annual reports, as tagged in XBRL and published by the SEC. Amounts are in TWD; the fiscal year is named for the calendar year in which it ends.

Revenue
TWD 23.0BFY2020TWD 27.4BFY2021TWD 23.5BFY2022TWD 21.4BFY2023TWD 22.7BFY2024
Net income
TWD 2.4BFY2020TWD 4.9BFY2021TWD 3.4BFY2022TWD 2.0BFY2023TWD 1.4BFY2024
IMOS annual results
ItemFY2020
ended Dec 31, 2020		FY2021
ended Dec 31, 2021		FY2022
ended Dec 31, 2022		FY2023
ended Dec 31, 2023		FY2024
ended Dec 31, 2024
RevenueTWD 23.0BTWD 27.4BTWD 23.5BTWD 21.4BTWD 22.7B
Net incomeTWD 2.4BTWD 4.9BTWD 3.4BTWD 2.0BTWD 1.4B
Diluted EPS—————
Total assetsTWD 35.1BTWD 42.5BTWD 44.9BTWD 46.2BTWD 45.4B
Cash and equivalentsTWD 4.1BTWD 5.9BTWD 9.9BTWD 12.4BTWD 15.2B

XBRL tags used: revenue = Revenue; netIncome = ProfitLoss; assets = Assets; cash = CashAndCashEquivalents. EPS is shown as originally reported for each year and may not be adjusted for later stock splits. A dash means the company did not report that item in a form we could match.

How to read these numbers

Revenue is the money a company brings in from selling its products and services; net income is what is left after all expenses, interest and taxes. Diluted EPS spreads net income across every share that could exist if options and convertible securities were exercised. Total assets and cash are balance-sheet figures measured on the last day of the fiscal year. For the full story — segment results, one-time charges, guidance — read Management’s Discussion and Analysis in the Form 10-K.

Latest key reports

The most recent filing of each major report type, even if it falls outside the 40 newest filings below.

IMOS latest annual, quarterly, current and proxy reports
FiledFormWhat it isOriginal
Apr 14, 202620-FAnnual report of a foreign private issuer· period Dec 31, 2025Document · Index
Oct 21, 20266-KReport of a foreign private issuer· period Oct 21, 2026Document · Index

Recent SEC filings

The 40 newest documents filed by or about CHIPMOS TECHNOLOGIES INC, by form type:

6-K ×283 ×10SD ×120-F ×1
IMOS recent filings
FiledFormWhat it isOriginal
Oct 21, 20266-KReport of a foreign private issuer· period Oct 21, 2026Document · Index
Oct 8, 20266-KReport of a foreign private issuer· period Oct 8, 2026Document · Index
Sep 29, 20266-KReport of a foreign private issuer· period Sep 29, 2026Document · Index
Sep 10, 20266-KReport of a foreign private issuer· period Sep 10, 2026Document · Index
Sep 10, 20266-KReport of a foreign private issuer· period Sep 10, 2026Document · Index
Aug 11, 20266-KReport of a foreign private issuer· period Aug 11, 2026Document · Index
Aug 11, 20266-KReport of a foreign private issuer· period Aug 11, 2026Document · Index
Aug 10, 20266-KReport of a foreign private issuer· period Aug 10, 2026Document · Index
Aug 3, 20266-KReport of a foreign private issuer· period Aug 3, 2026Document · Index
Jul 30, 20266-KReport of a foreign private issuer· period Jul 30, 2026Document · Index
Jul 23, 20266-KReport of a foreign private issuer· period Jul 23, 2026Document · Index
Jul 20, 20266-KReport of a foreign private issuer· period Jul 20, 2026Document · Index
Jul 10, 20266-KReport of a foreign private issuer· period Jul 10, 2026Document · Index
Jun 23, 20266-KReport of a foreign private issuer· period Jun 23, 2026Document · Index
Jun 10, 20266-KReport of a foreign private issuer· period Jun 10, 2026Document · Index
May 27, 20266-KReport of a foreign private issuer· period May 27, 2026Document · Index
May 26, 20266-KReport of a foreign private issuer· period May 26, 2026Document · Index
May 26, 20266-KReport of a foreign private issuer· period May 26, 2026Document · Index
May 21, 2026SDSpecialized disclosure report (conflict minerals)Document · Index
May 20, 20266-KReport of a foreign private issuer· period May 20, 2026Document · Index
May 12, 20266-KReport of a foreign private issuer· period May 12, 2026Document · Index
May 8, 20266-KReport of a foreign private issuer· period May 8, 2026Document · Index
May 4, 20266-KReport of a foreign private issuer· period May 4, 2026Document · Index
Apr 24, 20266-KReport of a foreign private issuer· period Apr 24, 2026Document · Index
Apr 23, 20266-KReport of a foreign private issuer· period Apr 23, 2026Document · Index
Apr 22, 20266-KReport of a foreign private issuer· period Apr 22, 2026Document · Index
Apr 14, 20266-KReport of a foreign private issuer· period Apr 14, 2026Document · Index
Apr 14, 202620-FAnnual report of a foreign private issuer· period Dec 31, 2025Document · Index
Apr 10, 20266-KReport of a foreign private issuer· period Apr 10, 2026Document · Index
Apr 2, 20266-KReport of a foreign private issuer· period Apr 2, 2026Document · Index
Mar 16, 20263Initial statement of beneficial ownership· period Mar 16, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index
Mar 13, 20263Initial statement of beneficial ownership· period Mar 13, 2026Document · Index

Insider filing activity

0 Form 4 filings appear in CHIPMOS TECHNOLOGIES INC’s EDGAR record between Oct 28, 2025 and our last refresh. Most are reports by the company’s own directors, officers and 10% owners, but EDGAR also lists a Form 4 under a company when the company itself is the insider — for example, when it owns more than 10% of another public company. Foreign private issuers’ own insiders generally do not file Form 4. A high count is not by itself a signal: many Form 4s report routine stock awards, tax withholding or sales under pre-arranged Rule 10b5-1 plans. Open each filing to see the transaction code, share count and price. What a Form 4 shows.

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Source

  • U.S. Securities and Exchange Commission, EDGAR submissions for CIK 0001123134 and XBRL company facts. CHIPMOS TECHNOLOGIES INC on EDGAR.
  • Snapshot updated Oct 27, 2026, 11:27 PM EDT. The SEC does not endorse OpenFilings. Company names and tickers are used only to identify the filer; no logos are shown.

Not investment advice. This page summarizes public SEC filings for information only. Figures may contain errors or omissions; confirm everything in the original filing before relying on it.