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United Microelectronics (UMC) SEC Filings & 10K Form

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$5.78 -0.06 (-0.94%)
Closing price 01/31/2025 03:59 PM Eastern
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$5.79 +0.00 (+0.07%)
As of 01/31/2025 07:55 PM Eastern
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Recent United Microelectronics SEC Filings

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DateFilerForm TypeView
01/21/2025
5:03 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/27/2024
5:06 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/26/2024
12:19 PM		United Microelectronics (Filer)
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
12/18/2024
5:02 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/11/2024
5:03 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/25/2024
5:02 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/14/2024
5:18 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/13/2024
5:04 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/30/2024
5:02 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/22/2024
5:43 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/09/2024
5:24 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/12/2024
5:26 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/19/2024
7:21 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/09/2024
5:02 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/31/2024
5:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/17/2024
5:37 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/12/2024
5:06 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/31/2024
5:01 AM		United Microelectronics (Filer)
Form SD
Specialized Disclosure Report  
05/30/2024
5:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/23/2024
5:48 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/14/2024
5:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/25/2024
5:24 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/25/2024
5:16 AM		United Microelectronics (Filer)
Form 20-F
Registration statement / Annual report / Transition report  
04/24/2024
5:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/16/2024
5:06 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/03/2024
5:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/25/2024
5:51 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/25/2024
5:07 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/22/2024
6:05 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/27/2024
7:36 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/26/2024
5:06 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/05/2024
10:57 AM		BlackRock Inc. (Filed by)
United Microelectronics (Subject)
Form SC 13G/A
01/31/2024
5:02 AM		United Microelectronics (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
(Data available from 1/1/2016 forward)


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This page (NYSE:UMC) was last updated on 2/1/2025 by MarketBeat.com Staff
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