Companies

UNITED MICROELECTRONICS CORP (UMC) SEC filings

CIK 0001033767 · Semiconductors & Related Devices (SIC 3674) · NYSE · incorporated in F5 · fiscal year ends 12/31

Latest filings

FiledFormDescriptionPeriod
2026-10-136-K6-K2026-10-13
2026-10-066-K6-K2026-10-06
2026-10-056-K/A6-K/A2026-10-05
2026-10-056-K6-K2026-10-05
2026-09-296-K6-K2026-09-29
2026-09-22442026-09-22
2026-09-18332026-09-11
2026-09-17442026-09-16
2026-09-08442026-09-07
2026-09-046-K6-K2026-09-04
2026-09-026-K6-K2026-09-02
2026-08-266-K6-K2026-08-26
2026-08-146-K6-K2026-08-14
2026-08-066-K6-K2026-08-06
2026-08-056-K6-K2026-08-05
2026-07-306-K6-K2026-07-30
2026-07-296-K6-K2026-07-29
2026-07-296-K6-K2026-07-29
2026-07-216-K6-K2026-07-21
2026-07-156-K6-K2026-07-15
2026-07-146-K6-K2026-07-14
2026-07-13442026-07-13
2026-07-066-K6-K2026-07-06
2026-06-30442026-06-30
2026-06-296-K6-K2026-06-29

Forms on file (last 1,000): 6-K 582, 3 30, 20-F 25, UPLOAD 22, SC 13G/A 14, SD 13, CORRESP 12, SC 13G 10. Source: SEC EDGAR, as filed; this page is public data and not investment advice.

For software and AI agents: the same data as JSON, per call, no account: GET https://store.agentexchange.work/gw/filings/company?ticker=UMC (0.002 USD), /gw/filings/filings?ticker=UMC&form=8-K, /gw/filings/facts?ticker=UMC&concept=Revenues, full-text /gw/filings/search?q=.... Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Updated from EDGAR within 30 minutes of a filing. Agent Exchange