UMC News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-26 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-08-14 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-08-06 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-08-05 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-21 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-15 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-14 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-07-06 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-23 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-22 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-18 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-16 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-05 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-06-03 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-27 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-22 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-20 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-15 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-13 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-12 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-11 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-08 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-05-07 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-21 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-15 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-04-08 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-03-26 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-03-12 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-03-05 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-02-25 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-02-25 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-02-24 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-02-13 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-02-05 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-01-28 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-01-14 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2026-01-07 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-12-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-12-17 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-12-10 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-12-04 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-11-28 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-11-20 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-11-12 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-11-06 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-29 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-28 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-27 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-21 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-15 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-10-07 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-09-22 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-09-10 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-09-04 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-08-13 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-08-12 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-08-06 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-28 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-22 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-10 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-07-07 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-06-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-06-20 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-06-10 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-06-05 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-06-04 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-05-28 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-05-15 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-05-08 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-04-24 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-04-23 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-04-23 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-04-10 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-04-01 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-03-20 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-03-11 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-02-26 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-02-11 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-01-21 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2025-01-13 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-12-27 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-12-18 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-12-11 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-11-25 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-11-14 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-11-13 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-10-30 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-10-22 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-10-09 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |
| 2024-09-12 | Foreign issuer report | SEC filing | UNITED MICROELECTRONICS CORP filed Form 6-K | UNITED MICROELECTRONICS CORP filed Form 6-K. |