UMCUnited Microelectronics Corporation

$22.96+222% 1Y

UMC in its own filings

Nothing in UMC's filing record raises a hard flag: no restatement, late filing, bankruptcy or delisting notice, and no auditor change next to one. That is the common case, not a distinction.

649

Events found in the filings · across 737 filings · the record starts in 1997

Hard flags
none

Hard flags

Most recent filing
Oct 6, 2026

Most recent filing · Form 6-K

Record starts
Feb 14, 1997

Record starts · the earliest filing Ryufin holds for this name

Details›
SEC comment-letter activity34 occurrences
2020-11-17

SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.

opening the record…