Silicon Motion Technology Corporation (SIMO) has 7 known insider and institutional holders on record. The largest holder is CHOW PONGCHI JAMES with 415,917 shares. Other notable holders include LIU LIEN CHUN and CHEN SHIANG FENG.
Over the last 12 months, insiders have made 7 transactions in SIMO stock — 0 buys (valued at RSU Award) and 0 sells (valued at RSU Award).
SIMO Insider Ownership
Top Holder
CHOW PONGCHI JAMES
415,917 shares
Buys (12 mo)
0
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Chow Pongchi James |
Director |
415,917 |
2026-03-27 |
|
| 2 |
Liu Lien Chun |
Director |
73,870 |
2026-03-27 |
|
| 3 |
Chen Shiang Feng |
Director |
27,800 |
2026-03-27 |
|
| 4 |
Duann Shii Tyng |
Director |
16,700 |
2026-03-27 |
|
| 5 |
Lin Kuan-ming |
Director |
10,500 |
2026-03-27 |
|
| 6 |
Shieh Han-ping |
Director |
8,656 |
2026-03-30 |
|
| 7 |
Chung Tsung-ming |
Director |
7,500 |
2026-03-27 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-18 |
Shieh Han-ping |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Lin Kuan-ming |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Liu Lien Chun |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Chen Shiang Feng |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Chow Pongchi James |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Duann Shii Tyng |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Chung Tsung-ming |
Director |
Unknown |
- |
- |
- |
