UNITED MICROELECTRONICS CORP — All Filings
670 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
20-F
20-F/A
3
424B5
6-K
6-K/A
CORRESP
EFFECT
F-3/A
F-6
F-6 POS
F-6EF
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 6-K | LIVE FILING | 0001309014-13-000303 | Apr 25, 2013 | — |
| 6-K | LIVE FILING | 0001309014-13-000228 | Mar 25, 2013 | — |
| 6-K | LIVE FILING | 0001309014-13-000187 | Mar 13, 2013 | — |
| 6-K | LIVE FILING | 0001309014-13-000124 | Feb 25, 2013 | — |
| 6-K | LIVE FILING | 0001309014-13-000058 | Jan 25, 2013 | — |
| 6-K | LIVE FILING | 0001309014-12-000814 | Dec 26, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000718 | Nov 19, 2012 | — |
| 6-K | CONSOLIDATED FINANCIAL STATEMENTS 3Q12 | 0001292814-12-002608 | Nov 9, 2012 | Sep 30, 2012 |
| 6-K | LIVE FILING | 0001309014-12-000667 | Oct 25, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000582 | Sep 25, 2012 | — |
| 6-K | CONSOLIDATED FINANCIAL STATEMENTS 2Q12 | 0001292814-12-002257 | Sep 11, 2012 | Jun 30, 2012 |
| 6-K | LIVE FILING | 0001309014-12-000513 | Aug 27, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000503 | Aug 21, 2012 | — |
| UPLOAD | — | 0000000000-12-041891 | Aug 3, 2012 | — |
| CORRESP | — | 0001193125-12-326976 | Aug 1, 2012 | — |
| 6-K | CONSOLIDATED FINANCIAL STATEMENTS 4Q11 | 0001292814-12-001936 | Jul 26, 2012 | Dec 31, 2011 |
| 6-K | CONSOLIDATED FINANCIAL STATEMENTS | 0001292814-12-001934 | Jul 26, 2012 | Mar 31, 2012 |
| 6-K | LIVE FILING | 0001309014-12-000458 | Jul 25, 2012 | — |
| UPLOAD | — | 0000000000-12-039444 | Jul 24, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000425 | Jun 25, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000368 | May 25, 2012 | — |
| 20-F | FORM 20-F | 0001193125-12-183850 | Apr 26, 2012 | Dec 31, 2011 |
| 6-K | LIVE FILING | 0001309014-12-000300 | Apr 25, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000229 | Mar 26, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000196 | Mar 14, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000142 | Feb 29, 2012 | — |
| 6-K | LIVE FILING | 0001309014-12-000066 | Jan 30, 2012 | — |
| 6-K | LIVE FILING | 0001309014-11-000865 | Dec 27, 2011 | Dec 26, 2011 |
| 6-K | LIVE FILING | 0001309014-11-000771 | Nov 25, 2011 | — |
| 6-K | FS 3Q11 | 0001292814-11-002957 | Nov 22, 2011 | Sep 30, 2011 |
| 6-K | LIVE FILING | 0001309014-11-000689 | Oct 31, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000678 | Oct 26, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000623 | Sep 27, 2011 | — |
| 6-K | FORM 6-K | 0001292814-11-002506 | Sep 16, 2011 | Jun 30, 2011 |
| 6-K | LIVE FILING | 0001309014-11-000568 | Aug 31, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000477 | Jul 26, 2011 | — |
| UPLOAD | — | 0000000000-11-042738 | Jul 14, 2011 | — |
| CORRESP | — | 0001193125-11-186406 | Jul 12, 2011 | — |
| UPLOAD | — | 0000000000-11-040097 | Jun 30, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000376 | Jun 27, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000318 | Jun 1, 2011 | May 26, 2011 |
| 6-K | FORM 6-K | 0001292814-11-001225 | Apr 29, 2011 | Mar 31, 2011 |
| 20-F | FORM 20-F | 0000950123-11-041335 | Apr 29, 2011 | Dec 31, 2010 |
| 6-K | LIVE FILING | 0001309014-11-000231 | Apr 26, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000171 | Mar 28, 2011 | — |
| F-6EF | — | 0001193805-11-000515 | Mar 22, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000149 | Mar 16, 2011 | — |
| 6-K | LIVE FILING | 0001309014-11-000095 | Feb 25, 2011 | — |
| SC 13G/A | — | 0001086364-11-004244 | Feb 10, 2011 | — |
| SC 13G/A | — | 0001086364-11-003960 | Feb 9, 2011 | — |