13D/13G Filings - UNITED MICROELECTRONICS CORP (UMC)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2024-02-05
11:57 am
Sale
2023-12-3113GUnited Microelectronics Corporation
UMC
BlackRock Inc.
BLK
687,613,871
5.500%
-11,120,353decrease
(-1.59%)
Filing
2023-02-10
4:14 pm
Sale
2022-12-3113GUnited Microelectronics Corporation
UMC
BlackRock Inc.
BLK
698,734,224
5.600%
-19,647,713decrease
(-2.73%)
Filing
2022-02-08
5:12 pm
Purchase
2021-12-3113GUnited Microelectronics Corporation
UMC
BlackRock Inc.
BLK
718,381,937
5.800%
117,520,474increase
(+19.56%)
Filing
2020-06-09
4:57 pm
Sale
2020-05-2913GUnited Microelectronics Corporation
UMC
MORGAN STANLEY
MS
223,036,350
1.900%
-503,462,078decrease
(-69.30%)
Filing
History
2020-06-09
4:52 pm
Sale
2020-05-3113GUnited Microelectronics Corporation
UMC
BlackRock Inc.
BLK
600,861,463
4.900%
-106,637,497decrease
(-15.07%)
Filing