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UNITED MICROELECTRONICS CORP

UMC Clue Score62
Taiwan Fiscal year ends December CIK 0001033767
22.96
+0.61%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
22.96 on 9 Oct 2026
28 18 7 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $7.64 14 Oct 2025 $7.40 15 Oct 2025 $7.42 16 Oct 2025 $7.43 17 Oct 2025 $7.47 20 Oct 2025 $7.52 21 Oct 2025 $7.45 22 Oct 2025 $7.38 23 Oct 2025 $7.52 24 Oct 2025 $7.54 27 Oct 2025 $7.57 28 Oct 2025 $7.63 29 Oct 2025 $7.39 30 Oct 2025 $7.53 31 Oct 2025 $7.71 3 Nov 2025 $7.84 4 Nov 2025 $7.60 5 Nov 2025 $7.76 6 Nov 2025 $7.31 7 Nov 2025 $7.41 10 Nov 2025 $7.43 11 Nov 2025 $7.38 12 Nov 2025 $7.24 13 Nov 2025 $7.11 14 Nov 2025 $7.14 17 Nov 2025 $7.02 18 Nov 2025 $7.06 19 Nov 2025 $7.23 20 Nov 2025 $7.12 21 Nov 2025 $7.24 24 Nov 2025 $7.44 25 Nov 2025 $7.27 26 Nov 2025 $7.33 28 Nov 2025 $7.46 1 Dec 2025 $7.53 2 Dec 2025 $7.78 3 Dec 2025 $7.85 4 Dec 2025 $7.87 5 Dec 2025 $8.02 8 Dec 2025 $8.05 9 Dec 2025 $8.09 10 Dec 2025 $8.00 11 Dec 2025 $7.89 12 Dec 2025 $7.87 15 Dec 2025 $7.84 16 Dec 2025 $7.89 17 Dec 2025 $8.00 18 Dec 2025 $8.07 19 Dec 2025 $8.10 22 Dec 2025 $8.13 23 Dec 2025 $7.97 24 Dec 2025 $8.00 26 Dec 2025 $8.02 29 Dec 2025 $7.97 30 Dec 2025 $7.96 31 Dec 2025 $7.86 2 Jan 2026 $7.84 5 Jan 2026 $7.77 6 Jan 2026 $8.12 7 Jan 2026 $8.93 8 Jan 2026 $8.55 9 Jan 2026 $8.79 12 Jan 2026 $8.85 13 Jan 2026 $8.66 14 Jan 2026 $8.79 15 Jan 2026 $8.77 16 Jan 2026 $9.30 20 Jan 2026 $10.78 21 Jan 2026 $11.13 22 Jan 2026 $10.90 23 Jan 2026 $10.54 26 Jan 2026 $11.33 27 Jan 2026 $12.48 28 Jan 2026 $11.38 29 Jan 2026 $10.58 30 Jan 2026 $10.18 2 Feb 2026 $10.04 3 Feb 2026 $9.85 4 Feb 2026 $9.95 5 Feb 2026 $9.97 6 Feb 2026 $10.06 9 Feb 2026 $10.05 10 Feb 2026 $9.91 11 Feb 2026 $10.30 12 Feb 2026 $10.29 13 Feb 2026 $10.42 17 Feb 2026 $10.27 18 Feb 2026 $10.23 19 Feb 2026 $10.13 20 Feb 2026 $10.40 23 Feb 2026 $10.42 24 Feb 2026 $10.92 25 Feb 2026 $10.55 26 Feb 2026 $10.30 27 Feb 2026 $10.44 2 Mar 2026 $10.51 3 Mar 2026 $9.90 4 Mar 2026 $9.88 5 Mar 2026 $9.75 6 Mar 2026 $9.60 9 Mar 2026 $9.73 10 Mar 2026 $9.48 11 Mar 2026 $9.70 12 Mar 2026 $9.35 13 Mar 2026 $9.27 16 Mar 2026 $9.47 17 Mar 2026 $9.52 18 Mar 2026 $9.30 19 Mar 2026 $9.26 20 Mar 2026 $9.12 23 Mar 2026 $9.09 24 Mar 2026 $9.05 25 Mar 2026 $9.31 26 Mar 2026 $9.02 27 Mar 2026 $8.87 30 Mar 2026 $8.61 31 Mar 2026 $8.98 1 Apr 2026 $8.97 2 Apr 2026 $8.67 6 Apr 2026 $8.69 7 Apr 2026 $9.31 8 Apr 2026 $9.47 9 Apr 2026 $9.53 10 Apr 2026 $9.74 13 Apr 2026 $9.70 14 Apr 2026 $9.59 15 Apr 2026 $9.95 16 Apr 2026 $10.62 17 Apr 2026 $11.66 20 Apr 2026 $12.64 21 Apr 2026 $12.33 22 Apr 2026 $12.71 23 Apr 2026 $12.00 24 Apr 2026 $12.28 27 Apr 2026 $11.69 28 Apr 2026 $11.66 29 Apr 2026 $12.75 30 Apr 2026 $13.06 1 May 2026 $13.05 4 May 2026 $12.98 5 May 2026 $14.01 6 May 2026 $15.23 7 May 2026 $15.16 8 May 2026 $15.42 11 May 2026 $15.59 12 May 2026 $16.06 13 May 2026 $15.92 14 May 2026 $17.13 15 May 2026 $17.20 18 May 2026 $17.12 19 May 2026 $17.58 20 May 2026 $17.56 21 May 2026 $18.35 22 May 2026 $18.22 26 May 2026 $21.08 27 May 2026 $22.22 28 May 2026 $22.68 29 May 2026 $22.18 1 Jun 2026 $22.89 2 Jun 2026 $22.46 3 Jun 2026 $21.42 4 Jun 2026 $20.79 5 Jun 2026 $19.70 8 Jun 2026 $20.00 9 Jun 2026 $19.88 10 Jun 2026 $18.90 11 Jun 2026 $20.68 12 Jun 2026 $21.63 15 Jun 2026 $23.08 16 Jun 2026 $21.62 17 Jun 2026 $21.76 18 Jun 2026 $24.08 22 Jun 2026 $27.50 23 Jun 2026 $26.20 24 Jun 2026 $28.01 25 Jun 2026 $27.73 26 Jun 2026 $25.58 29 Jun 2026 $26.84 30 Jun 2026 $27.21 1 Jul 2026 $25.71 2 Jul 2026 $24.54 6 Jul 2026 $25.83 7 Jul 2026 $23.83 8 Jul 2026 $24.73 9 Jul 2026 $24.86 10 Jul 2026 $24.34 13 Jul 2026 $23.46 14 Jul 2026 $23.84 15 Jul 2026 $24.92 16 Jul 2026 $22.29 17 Jul 2026 $21.25 20 Jul 2026 $20.30 21 Jul 2026 $21.19 22 Jul 2026 $21.29 23 Jul 2026 $20.87 24 Jul 2026 $19.48 27 Jul 2026 $19.08 28 Jul 2026 $17.36 29 Jul 2026 $17.11 30 Jul 2026 $18.94 31 Jul 2026 $19.03 3 Aug 2026 $18.69 4 Aug 2026 $20.63 5 Aug 2026 $19.29 6 Aug 2026 $19.20 7 Aug 2026 $18.72 10 Aug 2026 $18.79 11 Aug 2026 $18.94 12 Aug 2026 $19.31 13 Aug 2026 $19.38 14 Aug 2026 $19.15 17 Aug 2026 $19.53 18 Aug 2026 $18.48 19 Aug 2026 $18.12 20 Aug 2026 $18.00 21 Aug 2026 $18.34 24 Aug 2026 $19.05 25 Aug 2026 $19.60 26 Aug 2026 $19.03 27 Aug 2026 $19.07 28 Aug 2026 $19.79 31 Aug 2026 $19.88 1 Sep 2026 $20.47 2 Sep 2026 $19.97 3 Sep 2026 $19.86 4 Sep 2026 $20.77 8 Sep 2026 $21.82 9 Sep 2026 $22.69 10 Sep 2026 $22.12 11 Sep 2026 $22.64 14 Sep 2026 $21.90 15 Sep 2026 $21.61 16 Sep 2026 $22.53 17 Sep 2026 $24.47 18 Sep 2026 $24.61 21 Sep 2026 $25.43 22 Sep 2026 $25.77 23 Sep 2026 $24.68 24 Sep 2026 $24.10 25 Sep 2026 $24.31 28 Sep 2026 $23.85 29 Sep 2026 $24.72 30 Sep 2026 $24.49 1 Oct 2026 $25.21 2 Oct 2026 $26.27 5 Oct 2026 $23.92 6 Oct 2026 $23.19 7 Oct 2026 $23.31 8 Oct 2026 $22.82 9 Oct 2026 $22.96 HU CHE-JEN Vice President Sold at will $1.71M 30 Jun 2026 · at $171.30 · 0.3% of stake Liu Chitung CFO & SVP Sold at will $294.29M 13 Jul 2026 · at $154.89 · 36.4% of stake Liu Chitung CFO & SVP Sold at will $170.80M 16 Sep 2026 · at $142.33 · 28.3% of stake Liu Chitung CFO & SVP Sold at will $58.00M 17 Sep 2026 · at $145.00 · 13.2% of stake LIN JEN-TSUNG Vice President Sold at will $1.63M 22 Sep 2026 · at $163.00 · 0.8% of stake
0 buys5 sales at will0 planned sales

Key numbers

Fiscal year 2024, ended 31 Dec 2024, as filed
Revenue
$232.30B
Net income
$48.78B
Free cash flow
$5.33B
Gross margin
32.6%
Operating margin
22.2%
Net margin
21.0%
Return on equity
13.4%
Return on capital
11.7%
Debt to equity
0.03
Revenue growth, 1 yr
4.4%
Revenue growth, 5 yr
9.4% a year
EPS growth, 1 yr
-18.3%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
148.2B 8.2B FY19 Fiscal year 2019 Revenue $148.20B Net income $8.16B Margin 5.5% 176.8B 22.9B FY20 Fiscal year 2020 Revenue $176.82B Net income $22.86B Margin 12.9% · growth +19.3% 213B 51.2B FY21 Fiscal year 2021 Revenue $213.01B Net income $51.25B Margin 24.1% · growth +20.5% 278.7B 89.5B FY22 Fiscal year 2022 Revenue $278.71B Net income $89.48B Margin 32.1% · growth +30.8% 222.5B 59.7B FY23 Fiscal year 2023 Revenue $222.53B Net income $59.69B Margin 26.8% · growth -20.2% 232.3B 48.8B FY24 Fiscal year 2024 Revenue $232.30B Net income $48.78B Margin 21.0% · growth +4.4%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
22 Sep 2026 LIN JEN-TSUNG
Vice President
Sold at will $1.63M 0.8%
17 Sep 2026 Liu Chitung
CFO & SVP
Sold at will $58.00M 13.2%
16 Sep 2026 Liu Chitung
CFO & SVP
Sold at will $170.80M 28.3%
13 Jul 2026 Liu Chitung
CFO & SVP
Sold at will $294.29M 36.4%
30 Jun 2026 HU CHE-JEN
Vice President
Sold at will $1.71M 0.3%