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United Microelectronics Corporation (UMC) Form 6-K: Report of foreign private issuer, 2022

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United Microelectronics Corporation Form 6-K: Report of foreign private issuer

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

  • 2022-12-27: Form 6-K; Period of report 2022-12-27; Description 6-K; Document umc-6k_20221227.htm.
  • 2022-11-25: Form 6-K; Period of report 2022-11-25; Description 6-K; Document umc-6k_20221125.htm.
  • 2022-11-15: Form 6-K; Period of report 2022-09-30; Description 6-K; Document umcfs3q22_6k.htm.
  • 2022-10-26: Form 6-K; Period of report 2022-10-26; Description 6-K; Document umc-6k_20221026.htm.
FiledFormPeriod of reportDescriptionDocument
2022-12-276-K2022-12-276-Kumc-6k_20221227.htm
2022-11-256-K2022-11-256-Kumc-6k_20221125.htm
2022-11-156-K2022-09-306-Kumcfs3q22_6k.htm
2022-10-266-K2022-10-266-Kumc-6k_20221026.htm
2022-10-256-K2022-10-256-Kumc-6k_20221025.htm
2022-09-266-K2022-09-266-Kumc-6k_20220926.htm
2022-08-266-K2022-06-30FORM 6-Kumcfs2q22_6k.htm
2022-08-256-K2022-08-256-Kumc-6k_20220825.htm
2022-07-276-K2022-07-276-Kumc-6k_20220727.htm
2022-07-256-K2022-07-256-Kumc-6k_20220725.htm
2022-06-276-K2022-06-276-Kumc-6k_20220627.htm
2022-05-276-K2022-05-276-Kumc-6k_20220527.htm
2022-05-256-K2022-05-256-Kumc-6k_20220525.htm
2022-05-246-K2022-03-316-Kumcfs1q22_6k.htm
2022-04-286-K2022-04-286-Kumc-6k_20220428.htm
2022-04-276-K2022-04-276-Kumc-6k_20220427.htm
2022-04-266-K2022-04-266-Kumc-6k_20220426.htm
2022-04-256-K2022-04-256-Kumc-6k_20220425.htm
2022-04-066-K2022-04-066-Kumc-6k_20220406.htm
2022-03-256-K2022-03-256-Kumc-6k_20220325.htm
2022-03-156-K2021-12-31FORM 6-Kumcfs4q21_6k.htm
2022-02-246-K2022-02-246-Kumc-6k_20220224.htm
2022-02-146-K2022-02-146-Kumc-6k_20220214.htm
2022-01-276-K2022-01-276-Kumc-6k_20220127.htm
2022-01-256-K2022-01-256-Kumc-6k_20220125.htm
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