Shii Tyng Duann

Shii Tyng Duann: Director at Silicon Motion. What Shii Tyng Duann 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.

Silicon Motion (SIMO)

Shii Tyng Duann holds 15,200 Silicon Motion shares (0.05% of the company), worth about $3.8M at the last price, according to the Form 4 of May 6, 2026.

• Shares held: 15,200 (0.05%), $3.8M — Held in their own name: 15,200 ADS.

Declarations

• Silicon Motion (SIMO) — Form 4 of May 6, 2026: open-market sale of 1,500 at $245.00; 15,200 shares after 0000898432-26-000318
• Silicon Motion (SIMO) — Form 3 of Mar 18, 2026; 16,700 shares after 0000898432-26-000207

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.

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