United Microelectronics (UMC) financials
- Dec 2024
Price
$20.08 +1.31% · +$0.26
Performance +168.8% 1Y
1Y: $7.47 on 17 Oct 2025 → $20.08. High $28.02 (24 Jun 2026), low $7.02 (17 Nov 2025).
- Previous close
- $19.82
- 52-week range
- $7.02 – $28.02
- One year
- +167.02%
Overview
- Symbol
- UMC
- Sector
- Information Technology
- Industry
- Semiconductors & Related Devices
- Exchange
- US
- Currency
- USD
Financials
What the filings say
| Line item | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 |
|---|---|---|---|---|---|---|---|---|
| Total liabilities | 6,124 | 5,168 | 5,461 | 5,104 | 6,726 | 6,568 | 6,625 | 5,931 |
| Fixed assets | 6,941 | 5,647 | 5,028 | 4,728 | 4,684 | 5,564 | 7,809 | 8,510 |
| Total assets | 13,196 | 11,846 | 12,245 | 13,050 | 16,257 | 17,073 | 17,850 | 17,084 |
| Line item | Dec 2017 | Dec 2018 | Dec 2019 | Dec 2020 | Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 |
|---|---|---|---|---|---|---|---|---|
| Cash from operations | 1,770 | 1,664 | 1,836 | 2,341 | 3,257 | 4,747 | 2,809 | 2,863 |
| Cash from investing | -1,195 | -506 | -1,059 | -1,428 | -2,241 | -1,771 | -3,194 | -2,621 |
| Cash from financing | 309 | -1,094 | -330 | -912 | 450 | -1,863 | -950 | -1,195 |
| Net cash flow | 813 | 65 | 396 | -51 | 1,391 | 1,341 | -1,348 | -840 |
| Capital expenditure | -1,492 | -640 | -552 | -938 | -1,732 | -2,607 | -2,987 | -2,700 |
| Free cash flow | 278 | 1,024 | 1,283 | 1,403 | 1,525 | 2,139 | -179 | 163 |
Insider filings
7 filings between Jun 30, 2026 and Sep 22, 2026.
Open market
decisions to buy or sellPurchases
None
No insider bought shares.
Sales
$526.43M
5 sales by 3 insiders
Also filed: 2 other filings.
Who traded
open market only| Insider | Bought | Sold | Last filing |
|---|---|---|---|
| Liu Chitung | — | $523.09M | Sep 17, 2026 |
| HU CHE-JEN | — | $1.71M | Jun 30, 2026 |
| LIN JEN-TSUNG | — | $1.63M | Sep 22, 2026 |
Latest filings (7)
| Date | Insider | What | Shares | Value |
|---|---|---|---|---|
| Sep 22, 2026 | LIN JEN-TSUNG Vice President | Sale | 10,000 | $1.63M |
| Sep 17, 2026 | Liu Chitung CFO & SVP | Sale | 400,000 | $58.00M |
| Sep 16, 2026 | Liu Chitung CFO & SVP | Sale | 1,200,000 | $170.80M |
| Sep 7, 2026 | Liu Chitung CFO & SVP | Other | 1,000,000 | $0 |
| Sep 7, 2026 | Liu Chitung CFO & SVP | Other | 1,000,000 | $0 |
| Jul 13, 2026 | Liu Chitung CFO & SVP | Sale | 1,900,000 | $294.29M |
| Jun 30, 2026 | HU CHE-JEN Vice President | Sale | 10,000 | $1.71M |
Source: SEC Form 4 filings. Form 4 reports transactions, not the cap table — absence of filings says nothing about how much an insider owns, and a quiet window is not a signal.
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