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.

Filer Snapshot

Steven G. Litchfield

CIK 0001286030. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

134

Latest Filing

06 Mar 2026

Industry

n/a

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Start with the summary below, then verify the strongest source-backed page for this filer.

Open 13F if you want portfolio holdings.
Open 13D/G or insider pages only when this CIK has those rows.

Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 06 Mar 2026 for CIK 0001286030.

View Source Filing

Business address: C/O Maxlinear, Inc., 5966 La Place Court, Suite 100, Carlsbad, CA, 92008
Top holdings (ownership): MXL

Filer intelligence

What SEC filings say about Steven G. Litchfield

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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Quick read

Forms 3/4/5 show insider context for MXL worth $8.04M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open

Forms 3/4/5 1 rows

Officer, director, and 10% owner holdings or transactions.

Open

Forms 3/4/5 insider context

MXL

04 Mar 2026 · See remarks

$8.04M

Issuer page Owner page

Latest update

What changed recently for Steven G. Litchfield

Ownership report updated

Latest ownership report period: 04 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

06 Mar 2026

Page type

Ownership filings

Latest period

04 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 06 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Steven G. Litchfield has filed 134 SEC EDGAR filings since 14 Apr 2004. Common forms include 4, 144, 3, 4/A.

Steven G. Litchfield SEC filings Steven G. Litchfield owner filings

Latest Filings

Recent SEC filings for Steven G. Litchfield with direct links to document and filing folders.

4 File 001-34666

FORM 4

Filing date: 06 Mar 2026
Reporting date: 04 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 06 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 04 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Feb 2026
Reporting date: 18 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 27 Aug 2025
Reporting date: 26 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 26 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 05 Aug 2025
Reporting date: 27 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 May 2025
Reporting date: 20 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 Feb 2025
Reporting date: 20 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 16 Dec 2024
Reporting date: 13 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 Dec 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 May 2024
Reporting date: 20 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 Feb 2024
Reporting date: 20 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 06 Feb 2024
Reporting date: 02 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 04 Jan 2024
Reporting date: 02 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 Aug 2023
Reporting date: 20 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 May 2023
Reporting date: 20 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 07 Feb 2023
Reporting date: 03 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 03 Feb 2023
Reporting date: 03 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 Aug 2022
Reporting date: 20 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 May 2022
Reporting date: 20 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Feb 2022
Reporting date: 20 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 08 Feb 2022
Reporting date: 04 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 05 Jan 2022
Reporting date: 03 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Nov 2021
Reporting date: 20 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 05 Oct 2021
Reporting date: 04 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 13 Sep 2021
Reporting date: 13 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 10 Sep 2021
Reporting date: 10 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 07 Sep 2021
Reporting date: 03 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 Aug 2021
Reporting date: 20 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 02 Jun 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 May 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 02 Mar 2021
Reporting date: 26 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Feb 2021
Reporting date: 20 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Nov 2020
Reporting date: 20 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 Aug 2020
Reporting date: 20 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 13 Aug 2020
Reporting date: 11 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 May 2020
Reporting date: 20 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 02 Apr 2020
Reporting date: 31 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 24 Feb 2020
Reporting date: 20 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 Nov 2019
Reporting date: 20 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 30 Sep 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 23 Sep 2019
Reporting date: 23 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 16 Sep 2019
Reporting date: 16 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 09 Sep 2019
Reporting date: 09 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 Aug 2019
Reporting date: 20 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 22 May 2019
Reporting date: 20 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4

Filing date: 26 Feb 2019
Reporting date: 22 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4 SUBMISSION

Filing date: 13 Aug 2018
Reporting date: 10 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34666

FORM 4 SUBMISSION

Filing date: 19 Jul 2018
Reporting date: 18 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-34666

FORM 3 SUBMISSION

Filing date: 10 Jul 2018
Reporting date: 02 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 30 May 2018
Reporting date: 29 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 27 Apr 2018
Reporting date: 25 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 03 Apr 2018
Reporting date: 30 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 17 Nov 2017
Reporting date: 15 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 09 Nov 2017
Reporting date: 07 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 16 Oct 2017
Reporting date: 12 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 10 Oct 2017
Reporting date: 05 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 23 May 2017
Reporting date: 19 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 28 Apr 2017
Reporting date: 26 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 10 Nov 2016
Reporting date: 08 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 14 Oct 2016
Reporting date: 12 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 12 Oct 2016
Reporting date: 10 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 07 Oct 2016
Reporting date: 05 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 18 May 2016
Reporting date: 16 May 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 29 Apr 2016
Reporting date: 27 Apr 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 16 Nov 2015
Reporting date: 12 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 05 Nov 2015
Reporting date: 03 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 14 Oct 2015
Reporting date: 12 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 08 Oct 2015
Reporting date: 06 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 07 Oct 2015
Reporting date: 05 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 01 Jun 2015
Reporting date: 28 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 27 May 2015
Reporting date: 22 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 21 May 2015
Reporting date: 20 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 06 May 2015
Reporting date: 04 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 04 Feb 2015
Reporting date: 02 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 14 Nov 2014
Reporting date: 12 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 06 Nov 2014
Reporting date: 04 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 05 Nov 2014
Reporting date: 03 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 10 Oct 2014
Reporting date: 09 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 08 Oct 2014
Reporting date: 06 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 17 Sep 2014
Reporting date: 15 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 14 Nov 2013
Reporting date: 12 Nov 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 07 Nov 2013
Reporting date: 05 Nov 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 06 Nov 2013
Reporting date: 04 Nov 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 16 Oct 2013
Reporting date: 14 Oct 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 10 Oct 2013
Reporting date: 09 Oct 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 01 Oct 2013
Reporting date: 27 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 13 Dec 2012
Reporting date: 11 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 08 Nov 2012
Reporting date: 06 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 07 Nov 2012
Reporting date: 05 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 11 Oct 2012
Reporting date: 09 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 01 Oct 2012
Reporting date: 27 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 000-08866

4/A filing

Filing date: 18 Sep 2012
Reporting date: 14 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

4 filing

Filing date: 18 Sep 2012
Reporting date: 14 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

4 filing

Filing date: 28 Nov 2011
Reporting date: 17 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 000-08866

4/A filing

Filing date: 22 Nov 2011
Reporting date: 17 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

4 filing

Filing date: 21 Nov 2011
Reporting date: 17 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 04 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 29 Sep 2011
Reporting date: 27 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 12 Oct 2010
Reporting date: 11 Oct 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 06 Oct 2010
Reporting date: 05 Oct 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-08866

FORM 4

Filing date: 01 Oct 2010
Reporting date: 29 Sep 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Steven G. Litchfield files with the SEC under CIK 0001286030. This page aggregates EDGAR filings and related ownership activity.

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.