Wen Yi Tan
CIK: 0002133871
Transaction Breakdown
Open Market Buys (P)0
High conviction signal
Open Market Sales (S)0
Position reduction
Option Exercises (M)0
Derivative conversions
Awards (A)0
Compensation grants
Other (G, F, J, C, D, …)0
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
UMC
UNITED MICROELECTRONICS CORP
Officer
Discretionary Trading P&L
Holdings
Transaction History (0 total)
1 Form 3 filing on record — initial statements of ownership, which report holdings, not trades. No Form 4 or Form 5 transactions since Sep 2024.
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| 1 Form 3 filing on record — initial statements of ownership, which report holdings, not trades. No Form 4 or Form 5 transactions since Sep 2024. | ||||||
0-0 of 0 transactions
About TAN WEN YI
TAN WEN YI (SEC CIK 0002133871) files insider reports with the SEC as Vice President of UNITED MICROELECTRONICS CORP (UMC).
Signal8 holds 1 ownership filing by TAN WEN YI, a Form 3, filed on May 7, 2026. A Form 3 is an initial statement of ownership: it reports holdings, not trades, so no Form 4 or Form 5 transactions are on record since Sep 2024.
The business address on TAN WEN YI's filings is in TAIPEI.
Other insiders filing for UNITED MICROELECTRONICS CORP (UMC)
- LIN JEN-TSUNG, Vice President
- YEN HUNG-YU, CHRO & VP
- Liu Chitung, CFO & SVP
- LU CHIA-AO, Vice President
- LIAO CHING YU, General Counsel & VP
- CHEN JIN-SHUANG, CHRO & VP