Summary
Updated Aug 30, 2026
Han-Ping Shieh files SEC Form 4 reports at Silicon Motion Technology CORP (SIMO). 1 SEC Form 4 filing on record, dated 24 June 2026. Most recent open-market trade: sold $328K of SIMO on 24 June 2026. Lifetime open-market sales: $629K.
Recent Transactions
2Every recent SEC Form 4 transaction Han-Ping Shieh has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Han-Ping Shieh files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Kuan-Ming Lin - $930K of SIMO open-market activity in the last 12 months
- Shii Tyng Duann - $368K of SIMO open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Han-Ping Shieh?
Han-Ping Shieh is a corporate insider of Silicon Motion Technology CORP (SIMO). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Han-Ping Shieh submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Han-Ping Shieh been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($629K) across all tracked filings.
Where can I see all of Han-Ping Shieh's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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