UNITED MICROELECTRONICS CORP

Related Filers (10)

Other (514)

6-K
Wednesday, 1/31/2024
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 1/26/2024
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 1/25/2024
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 12/26/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 11/27/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 11/14/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 10/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 9/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 8/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 8/22/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 7/26/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 7/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 6/26/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
SD
Wednesday, 5/31/2023
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
6-K
Wednesday, 5/31/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 5/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 5/15/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 4/27/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
20-F
Thursday, 4/27/2023
Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)
6-K
Wednesday, 4/26/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 4/25/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 3/27/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 3/20/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 2/24/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 2/22/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 1/30/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 1/17/2023
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 12/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 11/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 11/15/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 10/26/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 10/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 9/26/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 8/26/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 8/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
F-6 POS
Monday, 8/1/2022
Post-effective amendment to a F-6EF registration
6-K
Wednesday, 7/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 7/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 6/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
SD
Friday, 5/27/2022
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
6-K
Friday, 5/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 5/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 5/24/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 4/28/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
20-F
Thursday, 4/28/2022
Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)
6-K
Wednesday, 4/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 4/26/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 4/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 4/6/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 3/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 3/15/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 2/24/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 2/14/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 1/27/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 1/25/2022
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 12/27/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 11/26/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 11/17/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 10/27/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 10/25/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 9/27/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 9/3/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 8/25/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 8/10/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 7/28/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 7/26/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K/A
Thursday, 7/8/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 7/7/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 6/29/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 6/25/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 6/17/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
SD
Friday, 5/28/2021
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
6-K
Tuesday, 5/25/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 5/21/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 5/5/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 5/4/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
20-F
Thursday, 4/29/2021
Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)
6-K
Thursday, 4/29/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 4/28/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 3/25/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 3/15/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 2/24/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 1/27/2021
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 12/28/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 11/25/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 11/12/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 11/9/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
CORRESP
Friday, 11/6/2020
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
6-K
Thursday, 10/29/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 10/26/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 10/22/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 9/25/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Thursday, 9/3/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Tuesday, 8/25/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 7/29/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 7/27/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Monday, 6/29/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 6/12/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Wednesday, 6/10/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
6-K
Friday, 6/5/2020
Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments
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Ownership (29)

SC 13G/A
Monday, 2/5/2024
BlackRock Inc.: Major Shareholders
SC 13G/A
Friday, 2/10/2023
BlackRock Inc.: Major Shareholders
SC 13G
Tuesday, 2/8/2022
BlackRock Inc.: Major Shareholders
SC 13G/A
Tuesday, 6/9/2020
BlackRock Inc.: Major Shareholders
SC 13G/A
Tuesday, 6/9/2020
MORGAN STANLEY: Major Shareholders
SC 13G
Thursday, 2/13/2020
MORGAN STANLEY: Major Shareholders
SC 13G/A
Thursday, 2/6/2020
BlackRock Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/13/2019
FMR LLC: Major Shareholders
SC 13G/A
Thursday, 2/7/2019
BlackRock Inc.: Major Shareholders
SC 13G
Tuesday, 2/13/2018
FMR LLC: Major Shareholders
SC 13G
Thursday, 2/1/2018
BlackRock Inc.: Major Shareholders
SC 13G/A
Thursday, 2/10/2011
BlackRock Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/9/2011
BlackRock Inc.: Major Shareholders
SC 13G
Friday, 1/29/2010
BlackRock Inc.: Major Shareholders
SC 13G/A
Thursday, 2/12/2004
SUSSMAN ROBERT MARK: Major Shareholders
SC 13G
Monday, 3/24/2003
SUSSMAN ROBERT MARK: Major Shareholders
SC 13G
Thursday, 2/13/2003
BENTLEY CAPITAL MANAGEMENT/NY: Major Shareholders
SC 13G/A
Wednesday, 2/13/2002
INTEGRATED TELECOM EXPRESS INC/ CA: Major Shareholders
SC 13G/A
Tuesday, 7/10/2001
CREDIT SUISSE ASSET MANAGEMENT LLC/NY: Major Shareholders
SC 13G
Tuesday, 5/22/2001
CREDIT SUISSE ASSET MANAGEMENT /NY: Major Shareholders
SC 13G/A
Tuesday, 5/8/2001
INTEGRATED TELECOM EXPRESS INC/ CA: Major Shareholders
SC 13G/A
Monday, 3/5/2001
INTEGRATED TELECOM EXPRESS INC/ CA: Major Shareholders
SC 13G
Monday, 2/12/2001
INTEGRATED TELECOM EXPRESS INC/ CA: Major Shareholders
SC 13G
Friday, 2/9/2001
CREDIT SUISSE ASSET MANAGEMENT /NY: Major Shareholders
SC 13D/A
Thursday, 5/11/2000
PIXTECH INC /DE/: Major Shareholders
SC 13D/A
Monday, 11/22/1999
PIXTECH INC /DE/: Major Shareholders
SC 13D/A
Wednesday, 2/26/1997
PIXTECH INC /DE/: Major Shareholders
SC 13D
Friday, 2/21/1997
PIXTECH INC /DE/: Major Shareholders
SC 13D
Friday, 2/14/1997
CATALYST SEMICONDUCTOR INC: Major Shareholders
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Prospectus (6)

S-8
Wednesday, 12/28/2022
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Thursday, 5/10/2007
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Tuesday, 7/26/2005
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Tuesday, 1/21/2003
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
424B5
Friday, 3/15/2002
Prospectus filed pursuant to Rule 424(b)(5)
424B5
Thursday, 3/14/2002
Prospectus filed pursuant to Rule 424(b)(5)
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