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UNITED MICROELECTRONICS (UMC) SEC Filings

UMC NYSE
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United Microelectronics Corporation (UMC) reported that its major subsidiary, UMC Group (USA), appointed Ming Hsu as a natural-person director effective November 3, 2026. Hsu is President & Chief Operating Officer of UMC. The subsidiary said the appointment added one director seat and answered “Yes” to whether the change involved one-third or more of its directors.

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United Microelectronics Corporation (UMC) reported third-quarter 2026 operating revenue of NT$74.2 billion, compared with NT$59.1 billion a year earlier. Net income was NT$16.4 billion versus NT$14.9 billion, and operating income was NT$18.6 billion versus NT$11.1 billion. Basic earnings per share were NT$1.32, compared with NT$1.20.

For the nine months ended September 30, 2026, operating revenue was NT$204.0 billion versus NT$175.7 billion, and net income was NT$74.7 billion versus NT$31.5 billion. Operating income was NT$44.9 billion, compared with NT$31.7 billion. Net cash provided by operating activities was NT$85.7 billion versus NT$66.9 billion. Cash paid for acquisition of property, plant and equipment was NT$32.6 billion, compared with NT$32.9 billion. Cash and cash equivalents were NT$142.6 billion as of September 30, 2026, versus NT$104.2 billion as of September 30, 2025; total assets were NT$675.8 billion and NT$555.4 billion on those dates, respectively. The interim financial statements were reviewed by independent auditors.

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United Microelectronics Corporation (UMC) reported third-quarter 2026 revenue of NT$74.24 billion, up 8.0% from the second quarter and 25.6% year over year. Gross margin was 34.0%, operating margin was 25.1%, and net income attributable to parent shareholders was NT$16.43 billion; earnings per share were NT$1.32. Wafer shipments grew 7.3% to more than 1.2 million 12-inch-equivalent wafers, capacity utilization reached 92%, and 22nm revenue accounted for 18.3% of wafer sales; 22/28nm revenue represented 35%.

For fourth-quarter 2026, UMC expects wafer shipments to increase by low-single digit, USD ASP to remain firm, gross margin to be comparable to the preceding quarter, and capacity utilization to be in the low-90% range. The board approved NT$102,781 million of capital-budget execution for capacity deployment, funded from working capital. UMC also reported that the board approved an additional capital-expenditure budget of approximately US$3.2 billion to accelerate expansion. Its 2026 CAPEX outlook is US$2.0 billion.

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United Microelectronics Corporation (UMC) reported that its major subsidiary, United Semiconductor (Xiamen) Co., Ltd., appointed Ching-Shu Lo as general manager effective October 23, 2026, succeeding Wen Tan following a job relocation. Lo was previously a Senior Fab Director at the subsidiary.

UMC also reported September share-count changes for Senior Vice President Chitung Liu and Vice President JT Lin. Liu’s reported shares decreased by 600,000, from 2,112,917 as of August 31, 2026, to 1,512,917 as of September 30, 2026; Lin’s decreased by 10,000, from 515,060 to 505,060 over those dates.

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United Microelectronics Corporation (UMC) will convene a Q3 2026 investor conference online on October 28, 2026, at 17:00, covering its financial and operating results. UMC also said it does not comment on speculative reports or market rumors and directed readers to public notices on MOPS for its financial and operating results.

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United Microelectronics Corporation (UMC) reported September 2026 net sales of NT$25,350,431,000, up 27.22% from NT$19,927,175,000 in September 2025. Year-to-date net sales were NT$204,009,681,000, up 16.08% from NT$175,743,654,000 in 2025 year-to-date.

UMC reported a one-batch acquisition of machinery and equipment from Applied Materials South East Asia Pte. Ltd., a non-related party, for NT$6,983,784,720, for production and R&D. The transaction occurrence period was December 23, 2025, through October 1, 2026. UMC reported no funds lent to other parties and no endorsements or guarantees. Derivative transactions not under hedging accounting included NT$10,309,610,000 in written-off trading contracts and a realized loss of NT$26,886,000, alongside NT$1,270,800,000 in unwritten-off trading contracts.

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United Microelectronics Corporation (UMC) completed pricing of US$1.8 billion of its 7th unsecured overseas convertible bonds, split into US$900 million Tranche A and US$900 million Tranche B. The bonds carry a 0% annual coupon; Tranche A matures October 13, 2031, and Tranche B matures April 13, 2028. Proceeds are designated for machinery and equipment purchases and construction of plant facilities. If all bonds are fully converted at the initial conversion price, the stated dilution effect on original shareholders’ equity is approximately 2.34%.

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United Microelectronics Corporation (UMC) priced US$1.8 billion of its seventh unsecured overseas convertible bonds, comprising US$900 million each in Tranche A and Tranche B, at 100% of par. The bonds are scheduled for issuance October 13, 2026, carry a 0% annual coupon, and are listed for trading on the Singapore Exchange.

Tranche A matures October 13, 2031, and Tranche B April 13, 2028; the stated maturity repayment terms use annual yields of -0.25% and -1.35%, respectively, calculated semiannually. UMC plans to use the proceeds for machinery and equipment purchases and plant-facility construction. The announcement lists initial conversion prices of NT$202.06 and NT$179.19 per share, labeling both as Tranche A. UMC estimates approximately 2.34% dilution to original shareholders’ equity if all bonds are converted at the initial conversion price.

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United Microelectronics Corp (UMC) reported that Vice President Lin Jen-Tsung sold 10,000 common shares on September 22, 2026, in an open-market or private transaction at NT$163.00 per share. After this sale, he holds 1,172,140 shares directly, including 667,080 Restricted Stock Award (RSA) shares that will vest in portions annually on December 5 from 2026 through 2029.

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FAQ

How many UNITED MICROELECTRONICS (UMC) SEC filings are available on StockTitan?

StockTitan tracks 120 SEC filings for UNITED MICROELECTRONICS (UMC), including 20-F annual reports and 6-K reports. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for UNITED MICROELECTRONICS (UMC)?

The most recent SEC filing for UNITED MICROELECTRONICS (UMC) was filed on November 3, 2026.