SEC Form 4 · Updated Daily
SIMO
— SILICON MOTION TECHNOLOGY CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| DUANN SHII TYNG | Director | 15,200 | 2026-05-06 | S |
| LIN KUAN-MING | Director | 7,500 | 2026-06-18 | S |
| SHIEH HAN-PING | Director | 6,655.87 | 2026-06-18 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-18 | LIN KUAN-MING | Open-market sale | 1,000 | $320.31 | 7,500 |
| 2026-06-18 | SHIEH HAN-PING | Open-market sale | 1,000 | $328.00 | 6,655.87 |
| 2026-06-17 | LIN KUAN-MING | Open-market sale | 1,000 | $310.01 | 8,500 |
| 2026-06-17 | LIN KUAN-MING | Open-market sale | 1,000 | $300.00 | 9,500 |
| 2026-06-02 | SHIEH HAN-PING | Open-market sale | 1,000 | $301.25 | 7,655.87 |
| 2026-05-06 | DUANN SHII TYNG | Open-market sale | 1,500 | $245.00 | 15,200 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.