UMCUNITED MICROELECTRONICS CORP
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-13.
Insider buys (90d)
$0.00
Insider sells (90d)
$296.00M
Net flow
$-296.00M
Filings
2
Buy transactions
0
Sell transactions
2
Distinct insiders
2
Last close (cached)
$18.79
as of 2026-08-10
1d return
+0.4%
5d return
+0.5%
1m return
-22.8%
Top insiders trading UMC (90d)
Recent transactions (2)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-13 | 2026-07-13 | Liu Chitung | Sale | 1,900,000 | $154.89 | $294.29M | open → |
| 2026-07-01 | 2026-06-30 | HU CHE-JEN | Sale | 10,000 | $171.30 | $1.71M | open → |
Want an email the moment a new insider transaction is filed on UMC? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.