TW Semiconductors & Semiconductor Equipment

United Microelectronics Corp (2303)

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United Microelectronics Corp experienced four insider transactions over the past ninety days, all involving sales. CFO Liu Chitung executed significant divestments totaling over 524 million USD. These activities follow a strong July earnings report where the firm exceeded profit expectations by 203.6%. The stock price has declined 4.8% during this period.
Ticker: 2303 Exchange: TAI
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
LIN JEN-TSUNG Vice President Officer
Transaction date
Sale
Price
386.03
Quantity 97,076 -36.6%
Value US$2,251,028
Liu Chitung CFO & SVP Officer
Transaction date
Sale
Price
189.16
Quantity 76,229 -23.5%
Value US$2,525,631
Liu Chitung CFO & SVP Officer
Transaction date
Sale
Price
468.37
Quantity 28,522 -42.2%
Value US$2,651,363
Liu Chitung CFO & SVP Officer
Transaction date
Sale
Price
154.89
Quantity 1,900,000 -36.4%
Value US$294,291,000
HU CHE-JEN Vice President Officer
Transaction date
Sale
Price
171.30
Quantity 10,000 -0.3%
Value US$1,713,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-22 2026-09-22 S Sale
LIN JEN-TSUNG

Vice President

Officer
97,076 -36.6%
386.03
US$2,251,028 		97,076 -36.6% 386.03 US$2,251,028
2026-09-17 2026-09-17 S Sale
Liu Chitung

CFO & SVP

Officer
76,229 -23.5%
189.16
US$2,525,631 		76,229 -23.5% 189.16 US$2,525,631
2026-09-17 2026-09-16 S Sale
Liu Chitung

CFO & SVP

Officer
28,522 -42.2%
468.37
US$2,651,363 		28,522 -42.2% 468.37 US$2,651,363
2026-07-13 2026-07-13 S Sale
Liu Chitung

CFO & SVP

Officer
1,900,000 -36.4%
154.89
US$294,291,000 		1,900,000 -36.4% 154.89 US$294,291,000
2026-06-30 2026-06-30 S Sale
HU CHE-JEN

Vice President

Officer
10,000 -0.3%
171.30
US$1,713,000 		10,000 -0.3% 171.30 US$1,713,000
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