Silicon Motion Technology ($SIMO) Insider Trading & Smart Money Activity
Silicon Motion Technology Corporation ($SIMO) has 4 insider trades, 1 13F position change and 1 analyst rating on file. In the last 12 months on the open market, no insider bought and 2 insiders sold ($1.56M), net -$1.56M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 2
- Net insider $ (12 mo)
- -$1.56M
- Congress trades (12 mo)
- 0
- 13F moves on file
- 1
- Analyst ratings on file
- 1
SIMO insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 4 · $1.56M | 0 / 0 | 1 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All SIMO insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Analyst | Wedbush | Reiterates to buy | PT $400 | -1.5% | -16.4% | Read | |||||
| Insider | Han-Ping Shieh | Sell (Open-market sale) | 1K sh | $328K | +1.1% | -21.5% | Read | ||||
| Insider | Kuan-Ming Lin | Sell (Open-market sale) | 1K sh | $320.31K | +1.1% | -21.5% | Read | ||||
| Insider | Kuan-Ming Lin | Sell (Open-market sale) | 2K sh | $610.01K | +4.7% | -13.9% | Read | ||||
| Insider | Han-Ping Shieh | Sell (Open-market sale) | 1K sh | $301.25K | -13.8% | -0.2% | Read | ||||
| 13F | Driehaus Capital Management | Added | +190.35K sh | $169.99M | +6.2% | +6.3% | Read |
1W / 1M / 6M = how SIMO moved from the trade or filing date.
Insider trading in SIMO: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Han-Ping Shieh | 2 | -$629.25K | Jun 18, 2026 | ||
| Kuan-Ming Lin | 2 | -$930.32K | Jun 18, 2026 |
Institutions moving SIMO (13F)
Analyst ratings on SIMO
| Date | Firm | Action | Rating | Price target | 1W | 1M | 6M | Story |
|---|---|---|---|---|---|---|---|---|
| Wedbush | Reiterates | buy | $400 | -1.5% | -16.4% | Read |
Frequently asked questions
Are SIMO insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 2 insiders made 4 open-market sales worth $1.56M, a net -$1.56M.
What is the latest insider trade in SIMO?
Han-Ping Shieh filed a sell (open-market sale) of 1K sh worth $328K on Jun 18, 2026.
Which institutions changed their SIMO positions?
Recent 13F filers moving the stock include Driehaus Capital Management.
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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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