Ming-Tsung Chen

Ming-Tsung Chen: Vice President at United Microelectronics. What Ming-Tsung Chen holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

United Microelectronics (UMC)

Ming-Tsung Chen holds 496,932 United Microelectronics shares (0.02% of the company), worth about $11.1M at the last price, according to the Form 3 of Apr 29, 2026.

• Shares held: 496,932 (0.02%), $11.1M — Held in their own name.

Declarations

• United Microelectronics (UMC) — Form 3 of Apr 29, 2026 (Vice President); 496,932 shares after 0001193125-26-210154

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

All holders · Who owns each AI company · All tracked companies · The AI market