Filer Snapshot

Silicon Motion Technology CORP SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001329394.

Entity Type

Company

Total Filings

436

Latest Filing

07 May 2026

Industry

Semiconductors & Related Devices

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Source: SEC Forms 3/4/5

4 filed on 07 May 2026 for CIK 0001329394.

View Source Filing
Symbol
SIMO on Nasdaq
Industry
Semiconductors & Related Devices (Office Of Manufacturing)
Business address
Flat C, 19/F, Wing Cheong Commercial Bld, Nos 19 25 Jervois Street, Hong Kong Island, Hong Kong, 000
State of incorporation
Cayman Islands
Fiscal year end
31 December

Quick Takeaways

  • Silicon Motion Technology CORP is an SEC filer tracked under CIK 0001329394.
  • 436 filings are listed on this profile.
  • Common form coverage includes 4, 144, 20-F and more.

What Changed

  • Latest filing: 4 filed on 07 May 2026.
  • Report period: 06 May 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 07 May 2026 for CIK 0001329394.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Silicon Motion Technology CORP.

Latest source-backed update
4 filed 07 May 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 07 May 2026.
  • Save this filer if you want a stable place to return after the next filing cycle.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Silicon Motion Technology CORP

New fact period available

Latest financial period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

30 Apr 2026

Page type

Company facts

Latest period

Q4 2025

SEC-backed company facts were refreshed from filings filed on 30 Apr 2026.

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Benchmark Context

Benchmark context for this company

Silicon Motion Technology CORP has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest financial period: Q4 2025. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 30 Apr 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Company intelligence

Research Silicon Motion Technology CORP from filings to ownership signals

Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.

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Active modules

3/5

Available company intelligence paths on this page.

Filings

436

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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Best-of company intelligence workflow

What changed?

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Why might it matter?

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Where is evidence?

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SEC filings

Available

Latest company filings

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Company facts

Available

Financial context

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Forms 3/4/5

Available

Insider activity

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Schedule 13D/G

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Form 13F

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Institutional holders

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SEC-verifiable company hub

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

Silicon Motion Technology CORP has filed 436 SEC EDGAR filings since 09 Jun 2005. Common forms include 4, 144, 20-F, 6-K and more.

Semiconductors & Related Devices Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for Silicon Motion Technology CORP with direct links to document and filing folders.

4

4 filing

Filing date
07 May 2026
Reporting date
06 May 2026
SEC evidence
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144 File 000-51380

144 filing

Filing date
01 May 2026
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
29 Apr 2026
Reporting date
29 Apr 2026
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6-K File 000-51380

6-K

Filing date
24 Apr 2026
Reporting date
24 Apr 2026
SEC evidence
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6-K File 000-51380

6-K

Filing date
10 Apr 2026
Reporting date
10 Apr 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
09 Apr 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
30 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
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3

3 filing

Filing date
27 Mar 2026
Reporting date
18 Mar 2026
SEC evidence
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144 File 000-51380

144 filing

Filing date
24 Feb 2026
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
04 Feb 2026
Reporting date
04 Feb 2026
SEC evidence
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6-K File 000-51380

6-K

Filing date
02 Feb 2026
Reporting date
02 Feb 2026
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Jan 2026
Reporting date
09 Jan 2026
SEC evidence
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144 File 000-51380

144 filing

Filing date
09 Dec 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-82245

SCHEDULE 13G/A filing

Filing date
05 Dec 2025
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
10 Nov 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-82245

SCHEDULE 13G/A filing

Filing date
05 Nov 2025
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
31 Oct 2025
Reporting date
31 Oct 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
27 Oct 2025
Reporting date
27 Oct 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
08 Oct 2025
Reporting date
08 Oct 2025
SEC evidence
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144 File 000-51380

144 filing

Filing date
16 Sep 2025
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
09 Sep 2025
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
12 Aug 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-82245

SCHEDULE 13G/A filing

Filing date
06 Aug 2025
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
31 Jul 2025
Reporting date
31 Jul 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Jul 2025
Reporting date
28 Jul 2025
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
08 Jul 2025
Reporting date
08 Jul 2025
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
01 Jul 2025
Reporting date
01 Jul 2025
SEC evidence
Open document Open filing
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144 File 000-51380

144 filing

Filing date
25 Jun 2025
Reporting date
Not listed
SEC evidence
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SD File 000-51380

SD

Filing date
30 May 2025
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
12 May 2025
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
30 Apr 2025
Reporting date
30 Apr 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
25 Apr 2025
Reporting date
25 Apr 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Apr 2025
Reporting date
09 Apr 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
06 Feb 2025
Reporting date
06 Feb 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
06 Feb 2025
Reporting date
06 Feb 2025
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
24 Jan 2025
Reporting date
24 Jan 2025
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Jan 2025
Reporting date
07 Jan 2025
SEC evidence
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144 File 000-51380

144 filing

Filing date
18 Dec 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
03 Dec 2024
Reporting date
Not listed
SEC evidence
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SC 13G File 005-82245

SC 13G filing

Filing date
12 Nov 2024
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
31 Oct 2024
Reporting date
31 Oct 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Oct 2024
Reporting date
28 Oct 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
08 Oct 2024
Reporting date
08 Oct 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Sep 2024
Reporting date
09 Sep 2024
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
02 Aug 2024
Reporting date
01 Aug 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
29 Jul 2024
Reporting date
29 Jul 2024
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
08 Jul 2024
Reporting date
08 Jul 2024
SEC evidence
Open document Open filing
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144 File 000-51380

144 filing

Filing date
21 Jun 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
07 Jun 2024
Reporting date
Not listed
SEC evidence
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SD File 000-51380

SD

Filing date
30 May 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
13 May 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
10 May 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
08 May 2024
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
03 May 2024
Reporting date
03 May 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
29 Apr 2024
Reporting date
29 Apr 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
25 Apr 2024
Reporting date
25 Apr 2024
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Apr 2024
Reporting date
09 Apr 2024
SEC evidence
Open document Open filing
Next action
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144 File 000-51380

144 filing

Filing date
04 Mar 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
20 Feb 2024
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Feb 2024
Reporting date
07 Feb 2024
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
05 Feb 2024
Reporting date
05 Feb 2024
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
05 Jan 2024
Reporting date
05 Jan 2024
SEC evidence
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144 File 000-51380

144 filing

Filing date
20 Dec 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
18 Dec 2023
Reporting date
18 Dec 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
12 Dec 2023
Reporting date
11 Dec 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
02 Nov 2023
Reporting date
01 Nov 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
31 Oct 2023
Reporting date
30 Oct 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
06 Oct 2023
Reporting date
06 Oct 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
05 Oct 2023
Reporting date
05 Oct 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
21 Sep 2023
Reporting date
21 Sep 2023
SEC evidence
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144 File 000-51380

144 filing

Filing date
15 Sep 2023
Reporting date
Not listed
SEC evidence
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144 File 000-51380

144 filing

Filing date
13 Sep 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
17 Aug 2023
Reporting date
16 Aug 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Aug 2023
Reporting date
07 Aug 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Jul 2023
Reporting date
28 Jul 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
27 Jul 2023
Reporting date
27 Jul 2023
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Jul 2023
Reporting date
06 Jul 2023
SEC evidence
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425 File 000-51380

425

Filing date
28 Jun 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Jun 2023
Reporting date
28 Jun 2023
SEC evidence
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425 File 000-51380

425

Filing date
07 Jun 2023
Reporting date
Not listed
SEC evidence
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SD File 000-51380

SD

Filing date
31 May 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
05 May 2023
Reporting date
05 May 2023
SEC evidence
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425 File 000-51380

425

Filing date
27 Apr 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Apr 2023
Reporting date
07 Apr 2023
SEC evidence
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
08 Feb 2023
Reporting date
08 Feb 2023
SEC evidence
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425 File 000-51380

425

Filing date
02 Feb 2023
Reporting date
Not listed
SEC evidence
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425 File 000-51380

425

Filing date
11 Jan 2023
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

6-K

Filing date
05 Jan 2023
Reporting date
05 Jan 2023
SEC evidence
Open document Open filing
Next action
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425 File 000-51380

425

Filing date
01 Dec 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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425 File 000-51380

425

Filing date
01 Dec 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
02 Nov 2022
Reporting date
02 Nov 2022
SEC evidence
Open document Open filing
Next action
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425 File 000-51380

425

Filing date
26 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
07 Oct 2022
Reporting date
06 Oct 2022
SEC evidence
Open document Open filing
Next action
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425 File 000-51380

425

Filing date
09 Sep 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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425 File 000-51380

425

Filing date
01 Sep 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
01 Sep 2022
Reporting date
31 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
425 File 000-51380

425

Filing date
31 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
425 File 000-51380

425

Filing date
31 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
6-K File 000-51380

6-K

Filing date
31 Aug 2022
Reporting date
31 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
425 File 000-51380

425

Filing date
10 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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425 File 000-51380

425

Filing date
28 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
28 Jul 2022
Reporting date
28 Jul 2022
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
26 Jul 2022
Reporting date
25 Jul 2022
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
19 Jul 2022
Reporting date
19 Jul 2022
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
13 Jul 2022
Reporting date
13 Jul 2022
SEC evidence
Open document Open filing
Next action
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6-K File 000-51380

6-K

Filing date
07 Jul 2022
Reporting date
07 Jul 2022
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Jun 2022
Reporting date
28 Jun 2022
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425 File 000-51380

425

Filing date
28 Jun 2022
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Not listed
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425 File 000-51380

425

Filing date
21 Jun 2022
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425 File 000-51380

425

Filing date
08 Jun 2022
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425 File 000-51380

425

Filing date
07 Jun 2022
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SD File 000-51380

SD

Filing date
27 May 2022
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6-K File 000-51380

6-K

Filing date
06 May 2022
Reporting date
05 May 2022
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425 File 000-51380

425

Filing date
06 May 2022
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425 File 000-51380

425

Filing date
05 May 2022
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6-K File 000-51380

6-K

Filing date
05 May 2022
Reporting date
05 May 2022
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425 File 000-51380

425

Filing date
05 May 2022
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6-K File 000-51380

6-K

Filing date
03 May 2022
Reporting date
03 May 2022
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6-K File 000-51380

6-K

Filing date
12 Apr 2022
Reporting date
08 Apr 2022
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
14 Feb 2022
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6-K File 000-51380

6-K

Filing date
27 Jan 2022
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27 Jan 2022
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6-K File 000-51380

6-K

Filing date
25 Jan 2022
Reporting date
24 Jan 2022
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6-K File 000-51380

6-K

Filing date
10 Jan 2022
Reporting date
07 Jan 2022
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6-K File 000-51380

6-K

Filing date
07 Dec 2021
Reporting date
07 Dec 2021
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6-K File 000-51380

6-K

Filing date
28 Oct 2021
Reporting date
28 Oct 2021
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6-K File 000-51380

FORM 6-K

Filing date
26 Oct 2021
Reporting date
25 Oct 2021
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6-K File 000-51380

FORM 6-K

Filing date
08 Oct 2021
Reporting date
07 Oct 2021
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6-K File 000-51380

6-K

Filing date
30 Jul 2021
Reporting date
30 Jul 2021
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6-K File 000-51380

6-K

Filing date
27 Jul 2021
Reporting date
26 Jul 2021
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6-K File 000-51380

6-K

Filing date
09 Jul 2021
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08 Jul 2021
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SD File 000-51380

SD

Filing date
01 Jun 2021
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6-K File 000-51380

6-K

Filing date
06 May 2021
Reporting date
05 May 2021
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NT 20-F File 000-51380

NT 20-F

Filing date
30 Apr 2021
Reporting date
31 Dec 2020
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6-K File 000-51380

6-K

Filing date
27 Apr 2021
Reporting date
26 Apr 2021
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Apr 2021
Reporting date
08 Apr 2021
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SC 13G/A File 005-82245

01269-0001

Filing date
17 Feb 2021
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SC 13G/A File 005-82245

SEC SCHEDULE 13G

Filing date
11 Feb 2021
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6-K File 000-51380

FORM 6-K

Filing date
04 Feb 2021
Reporting date
04 Feb 2021
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6-K File 000-51380

6-K

Filing date
02 Feb 2021
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01 Feb 2021
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SC 13G/A File 005-82245

YIHENG13GA1SIMO

Filing date
08 Jan 2021
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6-K File 000-51380

6-K

Filing date
08 Jan 2021
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07 Jan 2021
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SC 13G/A File 005-82245

SEC SCHEDULE 13G

Filing date
08 Dec 2020
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6-K File 000-51380

6-K

Filing date
03 Nov 2020
Reporting date
03 Nov 2020
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6-K File 000-51380

FORM 6-K

Filing date
27 Oct 2020
Reporting date
26 Oct 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
27 Oct 2020
Reporting date
26 Oct 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
08 Oct 2020
Reporting date
07 Oct 2020
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
10 Sep 2020
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Not listed
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CORRESP

CORRESP filing

Filing date
09 Sep 2020
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UPLOAD

UPLOAD filing

Filing date
25 Aug 2020
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Not listed
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CORRESP

CORRESP filing

Filing date
14 Aug 2020
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CORRESP

CORRESP filing

Filing date
06 Aug 2020
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6-K File 000-51380

6-K

Filing date
30 Jul 2020
Reporting date
29 Jul 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
28 Jul 2020
Reporting date
27 Jul 2020
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CORRESP

CORRESP filing

Filing date
22 Jul 2020
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Not listed
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UPLOAD

UPLOAD filing

Filing date
09 Jul 2020
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Not listed
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6-K File 000-51380

6-K

Filing date
08 Jul 2020
Reporting date
07 Jul 2020
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SD File 000-51380

SD

Filing date
29 May 2020
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6-K File 000-51380

6-K

Filing date
29 Apr 2020
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29 Apr 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
29 Apr 2020
Reporting date
29 Apr 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
28 Apr 2020
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27 Apr 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
09 Apr 2020
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08 Apr 2020
SEC evidence
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SC 13G File 005-82245

SC 13G

Filing date
06 Apr 2020
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6-K File 000-51380

FORM 6-K

Filing date
13 Mar 2020
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12 Mar 2020
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SC 13G File 005-82245

SC 13G filing

Filing date
14 Feb 2020
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SC 13G/A File 005-82245

SEC SCHEDULE 13G

Filing date
14 Feb 2020
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
12 Feb 2020
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6-K File 000-51380

FORM 6-K

Filing date
07 Feb 2020
Reporting date
07 Feb 2020
SEC evidence
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6-K File 000-51380

6-K

Filing date
04 Feb 2020
Reporting date
03 Feb 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
08 Jan 2020
Reporting date
07 Jan 2020
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
30 Oct 2019
Reporting date
30 Oct 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Oct 2019
Reporting date
25 Oct 2019
SEC evidence
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SC 13G/A File 005-82245

SEC SCHEDULE 13G

Filing date
09 Oct 2019
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Not listed
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6-K File 000-51380

FORM 6-K

Filing date
08 Oct 2019
Reporting date
07 Oct 2019
SEC evidence
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SC 13G File 005-82245

SC 13G

Filing date
08 Oct 2019
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6-K File 000-51380

FORM 6-K

Filing date
31 Jul 2019
Reporting date
31 Jul 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
30 Jul 2019
Reporting date
29 Jul 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
03 Jun 2019
Reporting date
31 May 2019
SEC evidence
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SD File 000-51380

FORM SD

Filing date
29 May 2019
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Not listed
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6-K File 000-51380

6-K

Filing date
03 May 2019
Reporting date
03 May 2019
SEC evidence
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NT 20-F File 000-51380

NT 20-F

Filing date
30 Apr 2019
Reporting date
31 Dec 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
30 Apr 2019
Reporting date
29 Apr 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
10 Apr 2019
Reporting date
09 Apr 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
07 Mar 2019
Reporting date
07 Mar 2019
SEC evidence
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SC 13G File 005-82245

SC 13G

Filing date
14 Feb 2019
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Not listed
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SC 13G File 005-82245

SEC SCHEDULE 13G

Filing date
13 Feb 2019
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
12 Feb 2019
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SC 13G File 005-82245

SC 13G

Filing date
11 Feb 2019
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Not listed
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6-K File 000-51380

FORM 6-K

Filing date
31 Jan 2019
Reporting date
30 Jan 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
29 Jan 2019
Reporting date
28 Jan 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
09 Jan 2019
Reporting date
08 Jan 2019
SEC evidence
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6-K File 000-51380

6-K

Filing date
23 Nov 2018
Reporting date
21 Nov 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
02 Nov 2018
Reporting date
01 Nov 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
31 Oct 2018
Reporting date
31 Oct 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
30 Oct 2018
Reporting date
29 Oct 2018
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
09 Oct 2018
Reporting date
05 Oct 2018
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
01 Oct 2018
Reporting date
28 Sep 2018
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
02 Aug 2018
Reporting date
01 Aug 2018
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
31 Jul 2018
Reporting date
30 Jul 2018
SEC evidence
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SD File 000-51380

SD

Filing date
31 May 2018
Reporting date
Not listed
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6-K File 000-51380

6-K

Filing date
27 Apr 2018
Reporting date
26 Apr 2018
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
24 Apr 2018
Reporting date
23 Apr 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
10 Apr 2018
Reporting date
09 Apr 2018
SEC evidence
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SC 13G File 005-82245

SC 13G

Filing date
09 Feb 2018
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Not listed
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SC 13G File 005-82245

SC 13G filing

Filing date
09 Feb 2018
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Not listed
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6-K File 000-51380

6-K

Filing date
07 Feb 2018
Reporting date
06 Feb 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
06 Feb 2018
Reporting date
05 Feb 2018
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
08 Jan 2018
Reporting date
05 Jan 2018
SEC evidence
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6-K File 000-51380

6-K

Filing date
27 Oct 2017
Reporting date
26 Oct 2017
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
25 Oct 2017
Reporting date
24 Oct 2017
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
10 Oct 2017
Reporting date
06 Oct 2017
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
10 Jul 2017
Reporting date
07 Jul 2017
SEC evidence
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
07 Jul 2017
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Not listed
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SD File 000-51380

SD

Filing date
31 May 2017
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20-F/A File 000-51380

AMENDMENT NO. 1 TO FORM 20-F

Filing date
02 May 2017
Reporting date
31 Dec 2016
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6-K File 000-51380

6-K

Filing date
28 Apr 2017
Reporting date
27 Apr 2017
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6-K File 000-51380

FORM 6-K

Filing date
25 Apr 2017
Reporting date
24 Apr 2017
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
10 Apr 2017
Reporting date
07 Apr 2017
SEC evidence
Open document Open filing
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
06 Feb 2017
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Not listed
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
24 Jan 2017
Reporting date
23 Jan 2017
SEC evidence
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6-K File 000-51380

6-K

Filing date
24 Jan 2017
Reporting date
23 Jan 2017
SEC evidence
Open document Open filing
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SC 13G File 005-82245

SC 13G filing

Filing date
23 Jan 2017
Reporting date
Not listed
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6-K File 000-51380

FORM 6-K

Filing date
09 Jan 2017
Reporting date
06 Jan 2017
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
28 Oct 2016
Reporting date
28 Oct 2016
SEC evidence
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6-K File 000-51380

6-K

Filing date
24 Oct 2016
Reporting date
24 Oct 2016
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
11 Oct 2016
Reporting date
07 Oct 2016
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
29 Sep 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
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CORRESP

CORRESP filing

Filing date
28 Sep 2016
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
16 Sep 2016
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
30 Aug 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
09 Aug 2016
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
02 Aug 2016
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
22 Jul 2016
Reporting date
21 Jul 2016
SEC evidence
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SD File 000-51380

SD

Filing date
31 May 2016
Reporting date
Not listed
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SC 13G/A File 005-82245

SCHEDULE 13G/A, #4

Filing date
16 Feb 2016
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Not listed
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SC 13G File 005-82245

SC 13G filing

Filing date
11 Feb 2016
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Not listed
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6-K File 000-51380

FORM 6-K

Filing date
29 Jan 2016
Reporting date
28 Jan 2016
SEC evidence
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SC 13G File 005-82245

SC 13G filing

Filing date
28 Jan 2016
Reporting date
Not listed
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
21 Jan 2016
Reporting date
20 Jan 2016
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
07 Jan 2016
Reporting date
06 Jan 2016
SEC evidence
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6-K File 000-51380

6-K

Filing date
03 Nov 2015
Reporting date
02 Nov 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
29 Oct 2015
Reporting date
28 Oct 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
26 Oct 2015
Reporting date
23 Oct 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
06 Oct 2015
Reporting date
05 Oct 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
28 Jul 2015
Reporting date
27 Jul 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
28 Jul 2015
Reporting date
27 Jul 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
08 Jul 2015
Reporting date
07 Jul 2015
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
02 Jul 2015
Reporting date
01 Jul 2015
SEC evidence
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S-8 File 333-204876

S-8

Filing date
11 Jun 2015
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SD File 000-51380

SD

Filing date
01 Jun 2015
Reporting date
Not listed
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6-K File 000-51380

6-K

Filing date
28 Apr 2015
Reporting date
27 Apr 2015
SEC evidence
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6-K File 000-51380

6-K

Filing date
28 Apr 2015
Reporting date
27 Apr 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
27 Apr 2015
Reporting date
24 Apr 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

6-K

Filing date
09 Apr 2015
Reporting date
08 Apr 2015
SEC evidence
Open document Open filing
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6-K File 000-51380

FORM 6-K

Filing date
27 Jan 2015
Reporting date
26 Jan 2015
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
27 Jan 2015
Reporting date
26 Jan 2015
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SC 13G/A File 005-82245

AMENDMENT NO. 3

Filing date
09 Jan 2015
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Not listed
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6-K File 000-51380

FORM 6-K

Filing date
09 Jan 2015
Reporting date
08 Jan 2015
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6-K File 000-51380

6-K

Filing date
07 Jan 2015
Reporting date
06 Jan 2015
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SC 13G/A File 005-82245

SCHEDULE 13G/A, #2

Filing date
05 Jan 2015
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Not listed
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6-K File 000-51380

6-K

Filing date
30 Oct 2014
Reporting date
29 Oct 2014
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6-K File 000-51380

6-K

Filing date
15 Oct 2014
Reporting date
15 Oct 2014
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6-K File 000-51380

6-K

Filing date
08 Oct 2014
Reporting date
07 Oct 2014
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6-K File 000-51380

6-K

Filing date
30 Sep 2014
Reporting date
26 Sep 2014
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6-K File 000-51380

6-K

Filing date
29 Jul 2014
Reporting date
28 Jul 2014
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6-K File 000-51380

6-K

Filing date
08 Jul 2014
Reporting date
07 Jul 2014
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SD File 000-51380

FORM SD

Filing date
06 Jun 2014
Reporting date
Not listed
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6-K File 000-51380

6-K

Filing date
29 Apr 2014
Reporting date
28 Apr 2014
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6-K File 000-51380

FORM 6-K

Filing date
23 Apr 2014
Reporting date
22 Apr 2014
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6-K File 000-51380

6-K

Filing date
08 Apr 2014
Reporting date
07 Apr 2014
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SC 13G/A File 005-82245

SCHEDULE 13G

Filing date
08 Apr 2014
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SC 13G File 005-82245

SCHEDULE 13G

Filing date
08 Apr 2014
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Not listed
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6-K File 000-51380

6-K

Filing date
28 Jan 2014
Reporting date
27 Jan 2014
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6-K File 000-51380

6-K

Filing date
28 Jan 2014
Reporting date
27 Jan 2014
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6-K File 000-51380

6-K

Filing date
07 Jan 2014
Reporting date
06 Jan 2014
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F-6 POS File 333-125801

POST EFFECTIVE AMENDMENT NO.1 TO THE FORM F-6

Filing date
05 Dec 2013
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Not listed
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6-K File 000-51380

6-K

Filing date
25 Oct 2013
Reporting date
24 Oct 2013
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6-K File 000-51380

6-K

Filing date
07 Oct 2013
Reporting date
04 Oct 2013
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6-K File 000-51380

FORM 6-K

Filing date
02 Oct 2013
Reporting date
01 Oct 2013
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6-K File 000-51380

6-K

Filing date
30 Jul 2013
Reporting date
29 Jul 2013
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6-K File 000-51380

FORM 6-K

Filing date
03 Jul 2013
Reporting date
02 Jul 2013
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6-K File 000-51380

FORM 6-K

Filing date
03 Jul 2013
Reporting date
02 Jul 2013
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20-F/A File 000-51380

AMENDMENT NO. 1 TO FORM 20-F

Filing date
29 May 2013
Reporting date
31 Dec 2012
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20-F File 000-51380

FORM 20-F

Filing date
30 Apr 2013
Reporting date
31 Dec 2012
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6-K File 000-51380

FORM 6-K

Filing date
26 Apr 2013
Reporting date
25 Apr 2013
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6-K File 000-51380

FORM 6-K

Filing date
24 Apr 2013
Reporting date
23 Apr 2013
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6-K File 000-51380

FORM 6-K

Filing date
02 Apr 2013
Reporting date
01 Apr 2013
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SC 13G/A File 005-82245

AMENDMENT TO SCHEDULE 13G

Filing date
14 Mar 2013
Reporting date
Not listed
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SC 13G/A File 005-82245

SIMO 13G/A

Filing date
25 Feb 2013
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SC 13G/A File 005-82245

SIMO - 13G/A

Filing date
14 Feb 2013
Reporting date
Not listed
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6-K File 000-51380

FORM 6-K

Filing date
05 Feb 2013
Reporting date
04 Feb 2013
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6-K File 000-51380

FORM 6-K

Filing date
23 Jan 2013
Reporting date
22 Jan 2013
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6-K File 000-51380

FORM 6-K

Filing date
25 Oct 2012
Reporting date
24 Oct 2012
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6-K File 000-51380

FORM 6-K

Filing date
09 Aug 2012
Reporting date
08 Aug 2012
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6-K File 000-51380

FORM 6-K

Filing date
27 Jul 2012
Reporting date
26 Jul 2012
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SC 13G File 005-82245

FORM SC 13G

Filing date
22 Jun 2012
Reporting date
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20-F/A File 000-51380

AMENDMENT NO.1 TO FORM 20-F

Filing date
15 May 2012
Reporting date
31 Dec 2011
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SC 13G/A File 005-82245

SIMO - 13G/A

Filing date
07 May 2012
Reporting date
Not listed
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20-F File 000-51380

FORM 20-F

Filing date
30 Apr 2012
Reporting date
31 Dec 2011
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6-K File 000-51380

FORM 6-K

Filing date
27 Apr 2012
Reporting date
26 Apr 2012
SEC evidence
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6-K File 000-51380

FORM 6-K

Filing date
03 Feb 2012
Reporting date
02 Feb 2012
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SC 13G/A File 005-82245

SIMO - 13G/A FILING

Filing date
13 Jan 2012
Reporting date
Not listed
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6-K File 000-51380

FORM 6-K

Filing date
02 Nov 2011
Reporting date
02 Nov 2011
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SC 13G File 005-82245

SIMO 13G 090211

Filing date
02 Sep 2011
Reporting date
Not listed
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6-K File 000-51380

FORM 6-K

Filing date
01 Aug 2011
Reporting date
28 Jul 2011
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20-F File 000-51380

FORM 20-F

Filing date
30 Jun 2011
Reporting date
31 Dec 2010
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6-K File 000-51380

FORM 6-K

Filing date
03 May 2011
Reporting date
02 May 2011
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6-K File 000-51380

FORM 6-K

Filing date
29 Apr 2011
Reporting date
29 Apr 2011
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6-K File 000-51380

FORM 6-K

Filing date
29 Apr 2011
Reporting date
29 Apr 2011
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SC 13G/A File 005-82245

ST MSCS EXIT

Filing date
14 Feb 2011
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SC 13G/A File 005-82245

ST AMENDMENT MSCS

Filing date
14 Feb 2011
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6-K File 000-51380

CURRENT REPORT ON FORM 6-K

Filing date
01 Feb 2011
Reporting date
01 Feb 2011
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6-K File 000-51380

CURRENT REPORT ON FORM 6-K

Filing date
17 Dec 2010
Reporting date
16 Dec 2010
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6-K File 000-51380

REPORT OF FOREIGN PRIVATE ISSUER

Filing date
04 Nov 2010
Reporting date
04 Nov 2010
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6-K File 000-51380

FORM 6-K

Filing date
30 Jul 2010
Reporting date
30 Jul 2010
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6-K File 000-51380

CURRENT REPORT ON FORM 6-K

Filing date
08 Jul 2010
Reporting date
08 Jul 2010
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20-F File 000-51380

FORM 20-F

Filing date
25 Jun 2010
Reporting date
31 Dec 2009
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6-K File 000-51380

REPORT OF FOREIGN PRIVATE ISSUER ON FORM 6-K

Filing date
30 Apr 2010
Reporting date
29 Apr 2010
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6-K File 000-51380

FORM 6-K

Filing date
16 Apr 2010
Reporting date
15 Apr 2010
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SC 13G/A File 005-82245

SC 13G/A filing

Filing date
12 Feb 2010
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SC 13G/A File 005-82245

ST-AMENDMENT-MSCS

Filing date
12 Feb 2010
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6-K File 000-51380

FORM 6-K

Filing date
03 Feb 2010
Reporting date
03 Feb 2010
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6-K File 000-51380

FORM 6-K

Filing date
02 Feb 2010
Reporting date
01 Feb 2010
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About this filer

Silicon Motion Technology CORP files with the SEC under CIK 0001329394. This page aggregates EDGAR filings and related ownership activity.

Industry: Semiconductors & Related Devices.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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