How many insider trades does FilingIQ track for SIMO?

FilingIQ tracks 6 Form 4 insider transactions for SIMO (Silicon Motion Technology CORP), covering filings from May 6, 2026 onwards. 6 of those were filed in the last 90 days.

Are SIMO insiders net buyers or net sellers?

Across the full Form 4 history for SIMO, 0 transactions (0%) were open-market purchases and 6 (100%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does SIMO insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is SIMO in?

Silicon Motion Technology CORP (SIMO) is classified in the Technology sector, specifically Semiconductors, with a current market capitalisation of $8.95B.

SIMO insider trading

NasdaqGS Technology

Silicon Motion Technology CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

Last 90 days

Buys / sells

0% / 100%

Market cap

$8.95B

About Silicon Motion Technology CORP

Silicon Motion Technology Corporation, together with its subsidiaries, designs, develops, and markets NAND flash controllers for solid-state storage devices and related devices in China, Japan, Singapore, Taiwan, Korea, the United States, and internationally. It offers controllers for computing-grade solid state drives (SSDs), which are used in PCs and other client devices; enterprise-grade SSDs used in enterprise and hyperscale data centers; eMMC and UFS mobile embedded storage for use in smartphones and IoT devices; flash memory cards and flash drives for use in expandable storage; and specialized SSDs that are used in industrial, commercial, and automotive applications. The company markets its controllers under the SMI brand; and single-chip SSDs under the FerriSSD, Ferri-eMMC, and Ferri-UFS brands. It markets and sells its products through direct sales personnel and independent electronics distributors to NAND flash makers, module makers, hyperscalers, and OEMs. Silicon Motion Technology Corporation was founded in 1995 and is based in Hong Kong, Hong Kong.

Company website: www.siliconmotion.com

SIMO insider activity at a glance

FilingIQ has scored 6 insider transactions for SIMO since May 6, 2026. The most recent filing in our index is dated Jun 18, 2026.

Across the full history, 0 open-market purchases and 6 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on SIMO insider trades is 58.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live SIMO trades on FilingIQ Raw filings on SEC EDGAR

Other Technology tickers with recent insider activity

CRWV 1,552

CoreWeave, Inc.

DELL 1,516

Dell Technologies Inc.

CRWD 1,060

CrowdStrike Holdings, Inc.

Uber Technologies, Inc

13F funds holding SIMO

CARDINAL CAPITAL MANAGEMENT LLC /CT

$166.47M · 4.0% of AUM

RICE HALL JAMES & ASSOCIATES, LLC

$43.77M · 1.7% of AUM

DRIEHAUS CAPITAL MANAGEMENT LLC

$36.00M · 1.3% of AUM

Frequently asked

How many insider trades does FilingIQ track for SIMO?: FilingIQ tracks 6 Form 4 insider transactions for SIMO (Silicon Motion Technology CORP), covering filings from May 6, 2026 onwards. 6 of those were filed in the last 90 days.
Are SIMO insiders net buyers or net sellers?: Across the full Form 4 history for SIMO, 0 transactions (0%) were open-market purchases and 6 (100%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does SIMO insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is SIMO in?: Silicon Motion Technology CORP (SIMO) is classified in the Technology sector, specifically Semiconductors, with a current market capitalisation of $8.95B.

Methodology & sources

Every SIMO insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.