# Chipmos Technologies Inc: overview

IMOS · Nasdaq · CIK 1123134 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/imos.md) · [Financials](/companies/imos/financials.md) · [Filings](/companies/imos/filings.md) · [Insiders](/companies/imos/insiders.md)

Revenue is not reported in this company’s XBRL financial statements.

## Last eight quarters

Not reported.

## Last five fiscal years

| Line item | Unit | FY2020 (2020-12-31) | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [819](/filings/0001193125-21-121875.md) | [988](/filings/0001193125-22-104872.md) | [765](/filings/0000950170-23-012607.md) | [697](/filings/0000950170-24-043516.md) | [692](/filings/0000950170-25-053927.md) |
| Gross margin | % | [21.9%](/filings/0001193125-21-121875.md) | [26.5%](/filings/0001193125-22-104872.md) | [20.9%](/filings/0000950170-23-012607.md) | [16.6%](/filings/0000950170-24-043516.md) | [13.0%](/filings/0000950170-25-053927.md) |
| Operating margin | % | [15.5%](/filings/0001193125-21-121875.md) | [20.3%](/filings/0001193125-22-104872.md) | [13.7%](/filings/0000950170-23-012607.md) | [8.9%](/filings/0000950170-24-043516.md) | [5.6%](/filings/0000950170-25-053927.md) |
| Net margin | % | [10.3%](/filings/0001193125-21-121875.md) | [18.0%](/filings/0001193125-22-104872.md) | [14.6%](/filings/0000950170-23-012607.md) | [9.2%](/filings/0000950170-24-043516.md) | [6.3%](/filings/0000950170-25-053927.md) |
| Diluted EPS | $ per share | not reported | not reported | not reported | not reported | not reported |
| Free cash flow | $m | [70.5](/filings/0001193125-21-121875.md) | [51.8](/filings/0001193125-22-104872.md) | [127](/filings/0000950170-23-012607.md) | [115](/filings/0000950170-24-043516.md) | [26.2](/filings/0000950170-25-053927.md) |

- Revenue. XBRL Revenue: ifrs-full:Revenue.
- Gross margin (gross profit / revenue). XBRL Gross profit: ifrs-full:GrossProfit; Revenue: ifrs-full:Revenue.
- Operating margin (operating income / revenue). XBRL Operating income: ifrs-full:ProfitLossFromOperatingActivities; Revenue: ifrs-full:Revenue.
- Net margin (net income / revenue). XBRL Net income: ifrs-full:ProfitLoss; Revenue: ifrs-full:Revenue.
- Diluted EPS. XBRL not reported.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: ifrs-full:CashFlowsFromUsedInOperatingActivities; Capital expenditure: ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/imos/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [RENAISSANCE TECHNOLOGIES LLC](/funds/1037389.md) | 2026-06-30 | $71.1m | 1,105,890 |  | Reduced −12,100 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $16.4m | 255,464 |  | Added +1,138 |
| [O'SHAUGHNESSY ASSET MANAGEMENT, LLC](/funds/1423442.md) | 2026-06-30 | $11.1m | 172,425 |  | Added +92,702 |
| [XY Capital Ltd](/funds/1933132.md) | 2026-06-30 | $8.4m | 130,326 |  | New +130,326 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $5.7m | 88,685 |  | Reduced −3,569 |
| [Vanguard Personalized Indexing Management, LLC](/funds/1767306.md) | 2026-06-30 | $4.7m | 72,464 |  | Added +3,754 |
| [PEAK6 LLC](/funds/1389958.md) | 2026-06-30 | $4.0m | 61,500 | Call | New +61,500 |
| [ENVESTNET ASSET MANAGEMENT INC](/funds/1407543.md) | 2026-06-30 | $3.4m | 53,138 |  | Reduced −1,601 |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $3.4m | 52,853 |  | Added +43,740 |
| [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $3.3m | 50,810 |  | Added +20,589 |

## Recent filings

[All 515 filings](/companies/imos/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-21 | 10:05 ET | [6-K](/filings/0001193125-26-427152.md) | Report of a foreign private issuer, period 2026-10-21 | 0001193125-26-427152 |
| 2026-10-08 | 10:05 ET | [6-K](/filings/0001193125-26-417359.md) | Report of a foreign private issuer, period 2026-10-08 | 0001193125-26-417359 |
| 2026-09-29 | 10:05 ET | [6-K](/filings/0001193125-26-405910.md) | Report of a foreign private issuer, period 2026-09-29 | 0001193125-26-405910 |
| 2026-09-10 | 10:05 ET | [6-K](/filings/0001193125-26-387114.md) | Report of a foreign private issuer, period 2026-09-10 | 0001193125-26-387114 |
| 2026-09-10 | 10:00 ET | [6-K](/filings/0001193125-26-387034.md) | Report of a foreign private issuer, period 2026-09-10 | 0001193125-26-387034 |
| 2026-08-11 | 10:10 ET | [6-K](/filings/0001193125-26-343297.md) | Report of a foreign private issuer, period 2026-08-11 | 0001193125-26-343297 |
| 2026-08-11 | 10:05 ET | [6-K](/filings/0001193125-26-343283.md) | Report of a foreign private issuer, period 2026-08-11 | 0001193125-26-343283 |
| 2026-08-10 | 10:05 ET | [6-K](/filings/0001193125-26-341078.md) | Report of a foreign private issuer, period 2026-08-10 | 0001193125-26-341078 |
| 2026-08-03 | 10:05 ET | [6-K](/filings/0001193125-26-329426.md) | Report of a foreign private issuer, period 2026-08-03 | 0001193125-26-329426 |
| 2026-07-30 | 10:05 ET | [6-K](/filings/0001193125-26-324789.md) | Report of a foreign private issuer, period 2026-07-30 | 0001193125-26-324789 |

## Latest annual report

[Form 20-F for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-153743.md), filed Apr 14, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 1123134
- Tickers: IMOS
- Exchange: Nasdaq
- SIC code: 3674 Semiconductors & Related Devices
- State of incorporation: F5
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:34 ET. No prices; not investment advice.