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Mailing Address 8F, NO.68, SEC. 1, NEIHU RD., TAIPEI F5 11493
Business Address 8F, NO.68, SEC. 1, NEIHU RD., TAIPEI F5 11493 886-2-2658-9168
UNITED MICROELECTRONICS CORP CIK#: 0001033767 (see all company filings)

SIC: 3674 - SEMICONDUCTORS & RELATED DEVICES
State location: F5 | State of Inc.: F5 | Fiscal Year End: 1231
(CF Office: 04 Manufacturing)

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Items 1 - 40  0001033767 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-044587 (34 Act)  Size: 105 KB
2024-04-16 001-15128
24846055
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-040647 (34 Act)  Size: 35 KB
2024-04-03 001-15128
24816772
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-035628 (34 Act)  Size: 67 KB
2024-03-25 001-15128
24776851
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-24-000982 (34 Act)  Size: 2 MB
2024-03-25 001-15128
24776816
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-035050 (34 Act)  Size: 41 KB
2024-03-22 001-15128
24773072
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-020649 (34 Act)  Size: 141 KB
2024-02-27 001-15128
24682202
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-019717 (34 Act)  Size: 68 KB
2024-02-26 001-15128
24673455
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-006326 (34 Act)  Size: 13 KB
2024-02-05 005-60399
24594681
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-009128 (34 Act)  Size: 46 KB
2024-01-31 001-15128
24580484
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-007679 (34 Act)  Size: 97 KB
2024-01-26 001-15128
24563992
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-24-007218 (34 Act)  Size: 44 KB
2024-01-25 001-15128
24558760
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-072798 (34 Act)  Size: 92 KB
2023-12-26 001-15128
231511253
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-066025 (34 Act)  Size: 89 KB
2023-11-27 001-15128
231437250
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-23-004638 (34 Act)  Size: 2 MB
2023-11-14 001-15128
231401300
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-054991 (34 Act)  Size: 167 KB
2023-10-25 001-15128
231343827
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-049514 (34 Act)  Size: 105 KB
2023-09-25 001-15128
231272940
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-044478 (34 Act)  Size: 128 KB
2023-08-25 001-15128
231203728
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-23-003674 (34 Act)  Size: 2 MB
2023-08-22 001-15128
231190920
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-034540 (34 Act)  Size: 83 KB
2023-07-26 001-15128
231109944
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0000950170-23-034202 (34 Act)  Size: 158 KB
2023-07-25 001-15128
231106343
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-007780 (34 Act)  Size: 143 KB
2023-06-26 001-15128
231039332
SD  Documents Specialized disclosure report
Acc-no: 0001193125-23-157010 (34 Act)  Size: 831 KB
2023-05-31 001-15128
23978820
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-007532 (34 Act)  Size: 30 KB
2023-05-31 001-15128
23978817
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-007415 (34 Act)  Size: 120 KB
2023-05-25 001-15128
23955825
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-23-002261 (34 Act)  Size: 2 MB
2023-05-15 001-15128
23918103
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-006346 (34 Act)  Size: 29 KB
2023-04-27 001-15128
23851685
20-F  Documents   Interactive Data Annual and transition report of foreign private issuers [Sections 13 or 15(d)]
Acc-no: 0001193125-23-119772 (34 Act)  Size: 28 MB
2023-04-27 001-15128
23851658
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-006236 (34 Act)  Size: 52 KB
2023-04-26 001-15128
23846635
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-006129 (34 Act)  Size: 98 KB
2023-04-25 001-15128
23841533
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-004340 (34 Act)  Size: 114 KB
2023-03-27 001-15128
23761341
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-23-001014 (34 Act)  Size: 2 MB
2023-03-20 001-15128
23744835
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-002378 (34 Act)  Size: 88 KB
2023-02-24 001-15128
23662211
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-002145 (34 Act)  Size: 65 KB
2023-02-22 001-15128
23650419
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-008593 (34 Act)  Size: 13 KB
2023-02-10 005-60399
23612012
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-000886 (34 Act)  Size: 100 KB
2023-01-30 001-15128
23565088
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-23-000443 (34 Act)  Size: 42 KB
2023-01-17 001-15128
23530049
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0000929638-22-001961 (33 Act)  Size: 201 KB
2022-12-28 333-269038
221494529
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-22-039692 (34 Act)  Size: 136 KB
2022-12-27 001-15128
221486719
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001564590-22-038263 (34 Act)  Size: 165 KB
2022-11-25 001-15128
221417882
6-K  Documents Report of foreign issuer [Rules 13a-16 and 15d-16]
Acc-no: 0001292814-22-004489 (34 Act)  Size: 2 MB
2022-11-15 001-15128
221389255