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

Matthew J. Cox

CIK 0001206911. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

139

Latest Filing

27 Jan 2026

Industry

n/a

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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 27 Jan 2026 for CIK 0001206911.

View Source Filing

Business address: 1411 Sand Island Parkway, Honolulu, HI, 96819
Top holdings (ownership): MATX

Filer intelligence

What SEC filings say about Matthew J. Cox

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 MATX worth $42.8M.

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

MATX

24 Jan 2026 · Chairman & CEO

$42.8M

Issuer page Owner page

Latest update

What changed recently for Matthew J. Cox

Ownership report updated

Latest ownership report period: 24 Jan 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

27 Jan 2026

Page type

Ownership filings

Latest period

24 Jan 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 27 Jan 2026.

Open ownership filings Browse recent public updates

Filer Overview

Matthew J. Cox has filed 139 SEC EDGAR filings since 24 Jan 2003. Common forms include 4, 144, 3.

Matthew J. Cox SEC filings Matthew J. Cox owner filings

Latest Filings

Recent SEC filings for Matthew J. Cox with direct links to document and filing folders.

4 File 001-34187

4 filing

Filing date: 27 Jan 2026
Reporting date: 24 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 26 Jan 2026
Reporting date: 22 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 22 Jan 2026
Reporting date: 21 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2025
Reporting date: 24 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 24 Jan 2025
Reporting date: 22 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Sep 2024
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 03 Sep 2024
Reporting date: 30 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 30 Aug 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 02 Aug 2024
Reporting date: 31 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jun 2024
Reporting date: 28 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 May 2024
Reporting date: 24 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 24 May 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 07 Mar 2024
Reporting date: 06 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jan 2024
Reporting date: 27 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 29 Jan 2024
Reporting date: 25 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 25 Jan 2024
Reporting date: 24 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Sep 2023
Reporting date: 31 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Aug 2023
Reporting date: 31 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jun 2023
Reporting date: 30 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 30 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 31 May 2023
Reporting date: 31 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 May 2023
Reporting date: 01 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 31 Mar 2023
Reporting date: 31 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Mar 2023
Reporting date: 30 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 30 Mar 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jan 2023
Reporting date: 26 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 23 Jan 2023
Reporting date: 22 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 10 Nov 2022
Reporting date: 08 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 03 Nov 2022
Reporting date: 02 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 17 Aug 2022
Reporting date: 17 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 03 Aug 2022
Reporting date: 02 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 20 Jul 2022
Reporting date: 18 Jul 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 16 Jun 2022
Reporting date: 16 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 03 Jun 2022
Reporting date: 02 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 19 May 2022
Reporting date: 18 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 04 May 2022
Reporting date: 03 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 19 Apr 2022
Reporting date: 18 Apr 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 31 Jan 2022
Reporting date: 27 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2022
Reporting date: 26 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 25 Jan 2022
Reporting date: 22 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 06 Dec 2021
Reporting date: 03 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

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

4 File 001-34187

4 filing

Filing date: 19 Oct 2021
Reporting date: 19 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 06 Oct 2021
Reporting date: 06 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 17 Sep 2021
Reporting date: 16 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 19 Aug 2021
Reporting date: 19 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 06 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 21 Jul 2021
Reporting date: 21 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

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

4 File 001-34187

4 filing

Filing date: 17 Jun 2021
Reporting date: 17 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

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

4 File 001-34187

4 filing

Filing date: 18 May 2021
Reporting date: 18 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 06 May 2021
Reporting date: 05 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

FORM 4 -

Filing date: 26 Apr 2021
Reporting date: 22 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 21 Apr 2021
Reporting date: 20 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 29 Jan 2021
Reporting date: 27 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 26 Jan 2021
Reporting date: 22 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 12 Nov 2020
Reporting date: 11 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

FORM 4 -

Filing date: 24 Apr 2020
Reporting date: 22 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2020
Reporting date: 23 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 23 Jan 2020
Reporting date: 22 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

FORM 4 -

Filing date: 25 Jul 2019
Reporting date: 24 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 21 Jun 2019
Reporting date: 20 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 19 Jun 2019
Reporting date: 18 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 29 Jan 2019
Reporting date: 25 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2019
Reporting date: 24 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 24 Jan 2019
Reporting date: 23 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

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 001-34187

4 filing

Filing date: 13 Mar 2018
Reporting date: 12 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 29 Jan 2018
Reporting date: 27 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 26 Jan 2018
Reporting date: 24 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 07 Dec 2017
Reporting date: 06 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-14585

3

Filing date: 19 Jun 2017
Reporting date: 03 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

FORM 4 -

Filing date: 12 Jun 2017
Reporting date: 09 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 08 May 2017
Reporting date: 08 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jan 2017
Reporting date: 27 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 26 Jan 2017
Reporting date: 25 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Dec 2016
Reporting date: 30 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14585

FORM 4 -

Filing date: 10 Aug 2016
Reporting date: 09 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Feb 2016
Reporting date: 28 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2016
Reporting date: 27 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 25 Jan 2016
Reporting date: 23 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 12 Jan 2016
Reporting date: 11 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 14 Dec 2015
Reporting date: 10 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 12 Nov 2015
Reporting date: 10 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 13 Oct 2015
Reporting date: 12 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 11 Sep 2015
Reporting date: 10 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 18 Aug 2015
Reporting date: 17 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 14 Jul 2015
Reporting date: 10 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 12 Jun 2015
Reporting date: 10 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 19 May 2015
Reporting date: 18 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 02 Feb 2015
Reporting date: 29 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jan 2015
Reporting date: 28 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2015
Reporting date: 23 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 20 Nov 2014
Reporting date: 19 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 30 Jan 2014
Reporting date: 29 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2014
Reporting date: 23 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2013
Reporting date: 25 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 25 Jan 2013
Reporting date: 23 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 02 Mar 2012
Reporting date: 01 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 31 Jan 2012
Reporting date: 27 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 27 Jan 2012
Reporting date: 25 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Feb 2011
Reporting date: 28 Jan 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2011
Reporting date: 26 Jan 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 24 May 2010
Reporting date: 24 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 01 Feb 2010
Reporting date: 30 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 29 Jan 2010
Reporting date: 28 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 28 Jan 2010
Reporting date: 27 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34187

4 filing

Filing date: 26 Jan 2010
Reporting date: 24 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Matthew J. Cox files with the SEC under CIK 0001206911. 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.