Companies: 10,795·Total market cap: $144.5T

Silicon Motion Technology Corporation

Silicon Motion Technology Corporation

SIMONASDAQTechnology● Active

$258.70

$-35.97(-12.21%)

Market Cap$8.7B

P/E Ratio—

52W High$314.34

52W Low$65.76

Avg Volume880K

Open$285.91

Beta1.73

Foreign Private Issuer · Files 20-F / 6-K

Silicon Motion Technology Corporation (SIMO) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001329394 · SIMO · NASDAQ · as of Jun 8, 2026

Filing snapshot

441

Total Filings

144

Latest Form

2026-06-04

Most Recent

2005

Filing Since

Financials Earnings View All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001329394 · Updated hourly · Not investment advice

Latest Annual Report

20-F · Annual Report (Foreign Issuer)FY

Filed Date

2026-04-30

Fiscal Year End

Apr 30, 2026

Accession No.

0001193125-26-197184

Primary Document

d17718d20f.htm

View on SEC EDGAR Download PDF Filing Index

Source: data.sec.gov · CIK 0001329394 · Accession 0001193125-26-197184

Latest Key Filings

6-KQuarterly Report

6-K

2026-04-29

View 6-K on SEC

8-KCurrent Report

No recent filings

Form 4Insider Activity

Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144

Filed Date

Form Type

Description

View

2026-05-29

SD

SD

SD

0001193125-26-246186

SDSD

SD

2026-05-29

2026-04-30

20-F

Annual Report (Foreign Issuer)

FORM 20-F

0001193125-26-197184

20-FAnnual Report (Foreign Issuer)

FORM 20-F

2026-04-30

2026-04-29

6-K

Current Report (Foreign Issuer)

6-K

0001193125-26-188049

6-KCurrent Report (Foreign Issuer)

6-K

2026-04-29

2026-04-24

6-K

Current Report (Foreign Issuer)

6-K

0001193125-26-177249

6-KCurrent Report (Foreign Issuer)

6-K

2026-04-24

2026-04-10

6-K

Current Report (Foreign Issuer)

6-K

0001193125-26-151276

6-KCurrent Report (Foreign Issuer)

6-K

2026-04-10

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000254

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000252

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000250

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000248

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000246

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-04-09

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000244

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-04-09

2026-03-30

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000220

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-03-30

2026-03-27

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000217

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-03-27

2026-03-27

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000215

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-03-27

2026-03-27

3

Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

0000898432-26-000213

3Initial Statement of Beneficial Ownership

Initial Statement of Beneficial Ownership

2026-03-27

Showing 1–15 of 414 filingsForm 4 / 144 hidden· 441 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov) | Updated: Hourly | CIK: 0001329394 | Exchange: NASDAQ · Technology

Silicon Motion Technology Corporation (NASDAQ: SIMO) has submitted 441 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2005. As a Technology sector company with CIK 0001329394, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Silicon Motion Technology Corporation's most comprehensive regulatory disclosure. The most recent Silicon Motion Technology Corporation 10-K was filed on 2026-04-30 for fiscal year ending 2026. Historical SIMO 10-K annual reports are available from 2005 through 2026.

Investors researching Silicon Motion Technology Corporation SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

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→ SIMO Financials → SIMO Earnings → SIMO Insider Trades

Frequently Asked Questions

SIMO SEC Filings · 8 questions

Silicon Motion Technology Corporation (SIMO) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 441 filings and access original documents at no cost. Silicon Motion Technology Corporation's CIK is 0001329394.

SIMO SEC filingsSilicon Motion Technology Corporation SEC documentsfind SIMO 10-K