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United Microelectronics Corp Sponsored ADR(UMC US)

$16.08+1.046.95%Ext:$15.75-0.332.04%(Pre-Market · 13:16:08 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

Home
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Home Stock Screener Document Search Charting Watchlists Recent Filings

United Microelectronics Corp Sponsored ADR(UMC US)

$16.08+1.046.95%Ext:$15.75-0.332.04%(Pre-Market · 13:16:08 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

UMC US

UMC US

SEC Filings

SEC Filings

Financials(26)

20-FFY 2025ended 31 Dec 202530 Apr
20-FFY 2024ended 31 Dec 202424 Apr 2025
20-FFY 2023ended 31 Dec 202325 Apr 2024
20-FFY 2022ended 31 Dec 202227 Apr 2023
20-FFY 2021ended 31 Dec 202128 Apr 2022
20-FFY 2020ended 31 Dec 202029 Apr 2021
20-FFY 2018ended 31 Dec 201825 Apr 2019
20-FFY 2017ended 31 Dec 201726 Apr 2018
20-FFY 2016ended 31 Dec 201613 Apr 2017
20-FFY 2015ended 31 Dec 201518 Apr 2016
20-FFY 2014ended 31 Dec 201421 Apr 2015
20-FFY 2013ended 31 Dec 201318 Apr 2014
20-FFY 2012ended 31 Dec 201226 Apr 2013
20-FFY 2011ended 31 Dec 201126 Apr 2012
20-FFY 2010ended 31 Dec 201029 Apr 2011

Events(589)

6-KCurrent report (foreign private issuer)07:21AM
6-KCurrent report (foreign private issuer)5 Nov
6-KCurrent report (foreign private issuer)3 Nov
6-KCurrent report (foreign private issuer)28 Oct
6-KCurrent report (foreign private issuer)28 Oct
6-KCurrent report (foreign private issuer)23 Oct
6-KCurrent report (foreign private issuer)13 Oct
6-KCurrent report (foreign private issuer)6 Oct
6-K/ACurrent report (foreign private issuer, amendment)5 Oct
6-KCurrent report (foreign private issuer)5 Oct
6-KCurrent report (foreign private issuer)29 Sep
6-KCurrent report (foreign private issuer)4 Sep
6-KCurrent report (foreign private issuer)2 Sep
6-KCurrent report (foreign private issuer)26 Aug
6-KCurrent report (foreign private issuer)14 Aug

Insider Ownership(35)

Form 4LIN JEN-TSUNG22 Sep
Form 3YEN HUNG-YU18 Sep
Form 4Liu Chitung17 Sep
Form 4Liu Chitung8 Sep
Form 4Liu Chitung13 Jul
Form 4HU CHE-JEN30 Jun
Form 3TAN WEN YI7 May
Form 3LU CHIA-AO7 May
Form 3LIAO CHING YU7 May
Form 3CHEN JIN-SHUANG7 May
Form 3KUO LIN-WU7 May
Form 3LIN MING-YU7 May
Form 3HSU SHU-FEN7 May
Form 3LIU SHIH-WEI7 May
Form 3SHEN YING-SHENG7 May

Beneficial Ownership(30)

SC 13G/AUNITED MICROELECTRONICS CORP29 Apr
SC 13G/AUNITED MICROELECTRONICS CORP5 Feb 2024
SC 13G/AUNITED MICROELECTRONICS CORP10 Feb 2023
SC 13GUNITED MICROELECTRONICS CORP8 Feb 2022
SC 13G/AUNITED MICROELECTRONICS CORP9 Jun 2020
SC 13G/AUNITED MICROELECTRONICS CORP9 Jun 2020
SC 13GUNITED MICROELECTRONICS CORP13 Feb 2020
SC 13G/AUNITED MICROELECTRONICS CORP6 Feb 2020
SC 13G/AUNITED MICROELECTRONICS CORP13 Feb 2019
SC 13G/AUNITED MICROELECTRONICS CORP7 Feb 2019
SC 13GUNITED MICROELECTRONICS CORP13 Feb 2018
SC 13GUNITED MICROELECTRONICS CORP1 Feb 2018
SC 13G/AUNITED MICROELECTRONICS CORP10 Feb 2011
SC 13G/AUNITED MICROELECTRONICS CORP9 Feb 2011
SC 13GUNITED MICROELECTRONICS CORP29 Jan 2010

Registrations(14)

S-8Registration statement (employee benefit plan)26 Dec 2024
S-8REGISTRATION STATEMENT28 Dec 2022
F-6 POSPost-effective amendment (depository shares)1 Aug 2022
F-6 POSPost-effective amendment (depository shares)12 Apr 2017
F-6EFEffective registration statement (depository shares)22 Mar 2011
F-6Registration statement (depository shares)13 Oct 2009
S-8Registration statement (employee benefit plan)10 May 2007
F-6 POSPOST-EFFECTIVE AMENDMENT19 Mar 2007
F-6 POSPOST-EFFECTIVE AMENDMENT NO.1 TO FORM F-62 Mar 2006
S-8Registration statement (employee benefit plan)26 Jul 2005
S-8Registration statement (employee benefit plan)21 Jan 2003
424B5AUTO-GENERATED PAPER DOCUMENT15 Mar 2002
424B5AUTO-GENERATED PAPER DOCUMENT14 Mar 2002
F-3/AAUTO-GENERATED PAPER DOCUMENT25 Jan 2002

Filing Review Correspondence(8)

CORRESPFiling review correspondence6 Nov 2020
CORRESPFiling review correspondence15 Jun 2016
CORRESPFiling review correspondence1 Jun 2016
CORRESPFiling review correspondence29 May 2015
CORRESPFiling review correspondence12 Jan 2015
UPLOADFiling review upload27 Mar 2006
CORRESPFiling review correspondence13 Dec 2005
UPLOADFiling review upload3 Oct 2005

SEC Orders And Notices(1)

EFFECTNotice of effectiveness20 Oct 2009

Other(13)

SDSD29 May
SDSD29 May 2025
SDSD31 May 2024
SDSD31 May 2023
SDSD27 May 2022
SDSD28 May 2021
SDSD29 May 2020
SDSD31 May 2019
SDSD31 May 2018
SDSD31 May 2017
SDSD20 May 2016
SDSD22 May 2015
SDSD29 May 2014

Financials(26)

20-FFY 2025ended 31 Dec 202530 Apr
20-FFY 2024ended 31 Dec 202424 Apr 2025
20-FFY 2023ended 31 Dec 202325 Apr 2024
20-FFY 2022ended 31 Dec 202227 Apr 2023
20-FFY 2021ended 31 Dec 202128 Apr 2022
20-FFY 2020ended 31 Dec 202029 Apr 2021
20-FFY 2018ended 31 Dec 201825 Apr 2019
20-FFY 2017ended 31 Dec 201726 Apr 2018
20-FFY 2016ended 31 Dec 201613 Apr 2017
20-FFY 2015ended 31 Dec 201518 Apr 2016
20-FFY 2014ended 31 Dec 201421 Apr 2015
20-FFY 2013ended 31 Dec 201318 Apr 2014
20-FFY 2012ended 31 Dec 201226 Apr 2013
20-FFY 2011ended 31 Dec 201126 Apr 2012
20-FFY 2010ended 31 Dec 201029 Apr 2011

Events(589)

6-KCurrent report (foreign private issuer)07:21AM
6-KCurrent report (foreign private issuer)5 Nov
6-KCurrent report (foreign private issuer)3 Nov
6-KCurrent report (foreign private issuer)28 Oct
6-KCurrent report (foreign private issuer)28 Oct
6-KCurrent report (foreign private issuer)23 Oct
6-KCurrent report (foreign private issuer)13 Oct
6-KCurrent report (foreign private issuer)6 Oct
6-K/ACurrent report (foreign private issuer, amendment)5 Oct
6-KCurrent report (foreign private issuer)5 Oct
6-KCurrent report (foreign private issuer)29 Sep
6-KCurrent report (foreign private issuer)4 Sep
6-KCurrent report (foreign private issuer)2 Sep
6-KCurrent report (foreign private issuer)26 Aug
6-KCurrent report (foreign private issuer)14 Aug

Insider Ownership(35)

Form 4LIN JEN-TSUNG22 Sep
Form 3YEN HUNG-YU18 Sep
Form 4Liu Chitung17 Sep
Form 4Liu Chitung8 Sep
Form 4Liu Chitung13 Jul
Form 4HU CHE-JEN30 Jun
Form 3TAN WEN YI7 May
Form 3LU CHIA-AO7 May
Form 3LIAO CHING YU7 May
Form 3CHEN JIN-SHUANG7 May
Form 3KUO LIN-WU7 May
Form 3LIN MING-YU7 May
Form 3HSU SHU-FEN7 May
Form 3LIU SHIH-WEI7 May
Form 3SHEN YING-SHENG7 May

Beneficial Ownership(30)

SC 13G/AUNITED MICROELECTRONICS CORP29 Apr
SC 13G/AUNITED MICROELECTRONICS CORP5 Feb 2024
SC 13G/AUNITED MICROELECTRONICS CORP10 Feb 2023
SC 13GUNITED MICROELECTRONICS CORP8 Feb 2022
SC 13G/AUNITED MICROELECTRONICS CORP9 Jun 2020
SC 13G/AUNITED MICROELECTRONICS CORP9 Jun 2020
SC 13GUNITED MICROELECTRONICS CORP13 Feb 2020
SC 13G/AUNITED MICROELECTRONICS CORP6 Feb 2020
SC 13G/AUNITED MICROELECTRONICS CORP13 Feb 2019
SC 13G/AUNITED MICROELECTRONICS CORP7 Feb 2019
SC 13GUNITED MICROELECTRONICS CORP13 Feb 2018
SC 13GUNITED MICROELECTRONICS CORP1 Feb 2018
SC 13G/AUNITED MICROELECTRONICS CORP10 Feb 2011
SC 13G/AUNITED MICROELECTRONICS CORP9 Feb 2011
SC 13GUNITED MICROELECTRONICS CORP29 Jan 2010

Registrations(14)

S-8Registration statement (employee benefit plan)26 Dec 2024
S-8REGISTRATION STATEMENT28 Dec 2022
F-6 POSPost-effective amendment (depository shares)1 Aug 2022
F-6 POSPost-effective amendment (depository shares)12 Apr 2017
F-6EFEffective registration statement (depository shares)22 Mar 2011
F-6Registration statement (depository shares)13 Oct 2009
S-8Registration statement (employee benefit plan)10 May 2007
F-6 POSPOST-EFFECTIVE AMENDMENT19 Mar 2007
F-6 POSPOST-EFFECTIVE AMENDMENT NO.1 TO FORM F-62 Mar 2006
S-8Registration statement (employee benefit plan)26 Jul 2005
S-8Registration statement (employee benefit plan)21 Jan 2003
424B5AUTO-GENERATED PAPER DOCUMENT15 Mar 2002
424B5AUTO-GENERATED PAPER DOCUMENT14 Mar 2002
F-3/AAUTO-GENERATED PAPER DOCUMENT25 Jan 2002

Filing Review Correspondence(8)

CORRESPFiling review correspondence6 Nov 2020
CORRESPFiling review correspondence15 Jun 2016
CORRESPFiling review correspondence1 Jun 2016
CORRESPFiling review correspondence29 May 2015
CORRESPFiling review correspondence12 Jan 2015
UPLOADFiling review upload27 Mar 2006
CORRESPFiling review correspondence13 Dec 2005
UPLOADFiling review upload3 Oct 2005

SEC Orders And Notices(1)

EFFECTNotice of effectiveness20 Oct 2009

Other(13)

SDSD29 May
SDSD29 May 2025
SDSD31 May 2024
SDSD31 May 2023
SDSD27 May 2022
SDSD28 May 2021
SDSD29 May 2020
SDSD31 May 2019
SDSD31 May 2018
SDSD31 May 2017
SDSD20 May 2016
SDSD22 May 2015
SDSD29 May 2014