Reporting owner · Q3 2026 · CIK 2120081

Liu Chitung: insider trades.

Liu Chitung reported 5 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($523.1M), across 1 company.

Transactions
5
Purchases (P)
0
Sales (S)
3
Companies
1
Name as filed
Liu Chitung

Companies

CompanyRelationshipTransactions
United Microelectronics Corp (UMC)Officer · CFO & SVP5

Transactions

5 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-17United Microelectronics CorpS400,000$1452,639,757Form 4
2026-09-16United Microelectronics CorpS1,200,000$142.333,039,757Form 4
2026-09-07United Microelectronics CorpJ1,000,000$01,000,000Form 4
2026-09-07United Microelectronics CorpJ1,000,000$04,322,917Form 4
2026-07-13United Microelectronics CorpS1,900,000$154.893,322,917Form 4

Questions

What stock did Liu Chitung buy or sell?

Liu Chitung reported 5 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($523.1M), across 1 company.

Is Liu Chitung the same person as other filers with this name?

This page covers SEC CIK 2120081 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/liu-chitung-2120081.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.