Insider Trading for SIMO
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
Acquisitions: 0 shares
Dispositions: 6.5K shares
Net: -6.5K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Mar 18, 2026 to Jun 18, 2026
LIN KUAN-MING
DirectorDirector
-3.0K shares
4 transactions
SHIEH HAN-PING
DirectorDirector
-2.0K shares
3 transactions
DUANN SHII TYNG
DirectorDirector
-1.5K shares
2 transactions
CHENG TAO
ExecutiveVice President
0 shares
1 transactions
LIN YUEH-HUA
ExecutivePresident
0 shares
1 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | SHIEH HAN-PING | DDirector | Sale | 1.0K | $328.00 | $328,000.00 | 6.7K | View |
| Jun 18, 2026 | LIN KUAN-MING | DDirector | Sale | 1.0K | $320.31 | $320,310.00 | 7.5K | View |
| Jun 17, 2026 | LIN KUAN-MING | DDirector | Sale | 1.0K | $300.00 | $300,000.00 | 9.5K | View |
Jun 17, 2026 | Locked | — | — | — | — | — | — | — |
Jun 2, 2026 | Locked | — | — | — | — | — | — | — |
May 6, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of SIMO stock, though this may be part of planned diversification.