UMC's VP Sold $53,000 in Taiwan Ordinary Shares. Retail Aggregators Called It $1.7 Million.
UMC VP Hu Che-Jen sold 10,000 ordinary shares on the Taiwan Stock Exchange at NT$171.30 — approximately $53K USD, not the $1.7M USD aggregators reported. 3.21M shares retained.
🔴 Insider Activity Score: 95/100
Hu Che-Jen, Vice President of United Microelectronics Corp., filed a Form 4 on June 30, 2026 disclosing the sale of 10,000 ordinary shares on the Taiwan Stock Exchange at exactly NT$171.30 per share for a localized proceeds of 1,713,000 New Taiwan Dollars — approximately $53,000 USD at the prevailing NTD/USD exchange rate — bypassing domestic NYSE ADR corridors entirely. Standard retail aggregators misread the NT$171.30 price as a USD figure, reporting approximately $1.7 million in proceeds — a 3,200% overstatement. Following the distribution, Hu retains 3,214,080 directly held ordinary units including 828,800 unvested Restricted Stock Awards.
The NT$171.30 to USD Conversion: The Correction That Defines This Filing
The foreign currency conversion diagnostic this series established across the Pampa Energia BYMA ordinary share analysis, the AUNA Peruvian sol conversion, and the AXIA Energia BRL Treasury rate application defines the analytical obligation here: NT$171.30 per share is not $171.30 USD per share.
At the prevailing NTD/USD Treasury exchange rate — approximately 32 NTD per USD — the 1,713,000 NTD gross proceeds convert to approximately 53,000USD.Theaggregator′serroristhemoststraightforwardforeigncurrencymisreadthisserieshasencountered:theNT53,000 USD. The aggregator's error is the most straightforward foreign currency misread this series has encountered: the NT 53,000USD.Theaggregator′serroristhemoststraightforwardforeigncurrencymisreadthisserieshasencountered:theNT price inserted directly into a USD proceeds calculation without any conversion, producing a $1.71 million figure that overstates the actual USD realization by approximately 3,200%.
The $53,000 USD figure is the analytically correct proceeds. The $1.71 million is the raw NTD amount, not the converted USD equivalent.
TWSE Execution vs. NYSE ADR Corridors
The execution on the Taiwan Stock Exchange in ordinary shares rather than through the NYSE ADR program is the specific cross-border market mechanics detail that explains both the NTD pricing and the aggregator confusion.
UMC's ordinary shares trade on the TWSE in New Taiwan Dollars at prices reflecting local Taiwan semiconductor sector valuations, trading volumes, and currency dynamics — a completely separate price discovery environment from the NYSE ADR price. The VP's 10,000-share TWSE execution is a local Taiwan market transaction whose NTD proceeds require explicit currency conversion before any USD comparison is meaningful.
The 3.21 Million Retained Position: Background Maintenance
The 10,000 shares distributed represent approximately 0.31% of the pre-sale combined position of approximately 3,224,080 shares — a fractional background maintenance event that leaves 99.69% of the VP's ordinary share foundation intact, including 828,800 unvested RSA shares that remain subject to vesting constraints.
At NT$171.30, the retained 3,214,080 shares represent approximately 550.4 million NTD — approximately $17.2 million USD — in direct ordinary share exposure to UMC's semiconductor foundry platform.
About United Microelectronics Corp.
United Microelectronics Corp. is a leading global semiconductor foundry providing wafer fabrication services across logic, specialty technology, and embedded non-volatile memory processes for fabless and IDM customers worldwide. VP Hu Che-Jen retains 3,214,080 ordinary shares including 828,800 unvested RSAs following the Taiwan Stock Exchange sale of 10,000 ordinary shares for approximately 1,713,000 NTD ($53,000 USD). UMC's ADRs trade on the NYSE under the ticker UMC.
How to Think About This
Hu's TWSE ordinary share distribution scores 95/100 — the alarm-management calibration driven almost entirely by the aggregator's 3,200% USD overstatement rather than the transaction's actual analytical significance. A $53,000 VP background maintenance event at a Taiwan semiconductor foundry would not independently generate meaningful scanner attention. The $1.7 million misreported figure generates the alert. Correcting it dissolves it.
The NT$171.30 is not USD. The 1,713,000 NTD converts to approximately $53,000. The 0.31% proportional extraction leaves 99.69% of the position intact.
The aggregator saw $1.7 million. The Treasury rate says $53,000. The difference is the entire analytical story.