Robert Izquierdo, The Motley Fool
4 min read
Han-Ping Shieh, a member of the Board of Directors at Silicon Motion Technology Corporation (NASDAQ:SIMO), disclosed the sale of 2,000 shares of common stock in multiple open-market transactions between June 2, 2026 and June 18, 2026, according to an SEC Form 4 filing.
Transaction summary
Transaction value based on SEC Form 4 weighted average reported price ($314.62).
Key questions
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What proportion of Han-Ping Shieh’s directly held common stock was impacted by this transaction?
This sale accounted for 100% of Shieh’s direct holdings in the common stock share class, resulting in no remaining direct ownership of that class as of June 18, 2026. -
Does Shieh continue to have an economic interest in Silicon Motion Technology Corporation following this transaction?
Yes; while direct holdings of common stock were reduced to zero, Shieh maintains ownership of ~14,310 American depositary shares (ADS), which can be converted to common stock and represent a continuing economic interest. -
Was there any participation from indirect entities or the use of derivative securities in these transactions?
No indirect entities or derivative securities were involved; the transaction reflected only direct, open-market sales of common stock. -
How does this activity relate to Shieh’s historical trading cadence or available share capacity?
Since Shieh’s direct common stock holdings were fully allocated in this transaction and no additional direct shares remain, the scale of the transaction is explained by the capacity of available shares rather than a change in trading cadence.
Company overview
* 1-year price change calculated as of June 18, 2026.
Company snapshot
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Silicon Motion designs and supplies NAND flash controllers for SSDs, embedded storage (eMMC/UFS), flash memory cards, and industrial/automotive SSDs.
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It generates revenue primarily through direct sales and distribution of proprietary controller ICs and SSD solutions to global electronics manufacturers and data center customers.
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Main customer segments include NAND flash manufacturers, module makers, hyperscale cloud providers, and OEMs in computing, mobile, and industrial sectors.
Silicon Motion Technology Corporation operates at scale as a leading provider of NAND flash controller solutions, supporting both consumer and enterprise storage markets. Its global footprint and diversified product range enable the company to address the evolving needs of data storage across multiple device categories.
