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

Donald C. Winter

CIK 0001216529. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

Latest Filing

14 Mar 2022

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 14 Mar 2022 for CIK 0001216529.

View Source Filing

Business address: 622 Third Avenue, 38 Th Floor, New York, NY, 10017
Top holdings (ownership): MTX

Filer intelligence

What SEC filings say about Donald C. Winter

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 MTX worth $1.33M.

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

MTX

10 Mar 2022

$1.33M

Issuer page Owner page

Latest update

What changed recently for Donald C. Winter

Ownership report updated

Latest ownership report period: 10 Mar 2022. Open the source-backed page to inspect the fresh filing or facts context.

Update date

14 Mar 2022

Page type

Ownership filings

Latest period

10 Mar 2022

Ownership context was refreshed from SEC Forms 3/4/5 filed on 14 Mar 2022.

Open ownership filings Browse recent public updates

Filer Overview

Donald C. Winter has filed 79 SEC EDGAR filings since 22 Aug 2003. Common forms include 4, 4/A, 3.

Donald C. Winter SEC filings Donald C. Winter owner filings

Latest Filings

Recent SEC filings for Donald C. Winter with direct links to document and filing folders.

4 File 001-11430

FORM 4

Filing date: 14 Mar 2022
Reporting date: 10 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 10 Dec 2021
Reporting date: 09 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 13 Sep 2021
Reporting date: 09 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 21 Jun 2021
Reporting date: 17 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 21 May 2021
Reporting date: 19 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 15 Mar 2021
Reporting date: 11 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 14 Dec 2020
Reporting date: 10 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 08 Sep 2020
Reporting date: 03 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 15 Jun 2020
Reporting date: 11 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 14 May 2020
Reporting date: 13 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 09 Mar 2020
Reporting date: 05 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 13 Dec 2019
Reporting date: 12 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 06 Sep 2019
Reporting date: 05 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 14 Jun 2019
Reporting date: 13 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 17 May 2019
Reporting date: 15 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 08 Mar 2019
Reporting date: 07 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 11 Dec 2018
Reporting date: 07 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Oct 2018
Reporting date: 01 Oct 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 07 Sep 2018
Reporting date: 06 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 03 Jul 2018
Reporting date: 02 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 18 Jun 2018
Reporting date: 14 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-11430

FORM 4/A

Filing date: 21 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 18 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 03 Apr 2018
Reporting date: 02 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 03 Apr 2018
Reporting date: 08 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 03 Jan 2018
Reporting date: 02 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 11 Dec 2017
Reporting date: 08 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 04 Oct 2017
Reporting date: 02 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 08 Sep 2017
Reporting date: 07 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 05 Jul 2017
Reporting date: 03 Jul 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 13 Jun 2017
Reporting date: 09 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 18 May 2017
Reporting date: 17 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 04 Apr 2017
Reporting date: 03 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 10 Mar 2017
Reporting date: 09 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 04 Jan 2017
Reporting date: 03 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 13 Dec 2016
Reporting date: 09 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 13 Dec 2016
Reporting date: 09 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 04 Oct 2016
Reporting date: 03 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 12 Sep 2016
Reporting date: 08 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 06 Jul 2016
Reporting date: 01 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

4 File 001-11430

FORM 4

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

4 File 001-11430

FORM 4

Filing date: 04 Apr 2016
Reporting date: 01 Apr 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

4 File 001-11430

FORM 4

Filing date: 05 Jan 2016
Reporting date: 04 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

4 File 001-11430

FORM 4

Filing date: 02 Oct 2015
Reporting date: 01 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

3 File 001-11430

FORM 3

Filing date: 11 Sep 2015
Reporting date: 01 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Jul 2015
Reporting date: 01 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

4 File 001-11430

FORM 4

Filing date: 14 May 2015
Reporting date: 13 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Apr 2015
Reporting date: 01 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 12 Mar 2015
Reporting date: 11 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 05 Jan 2015
Reporting date: 02 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 12 Dec 2014
Reporting date: 11 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Oct 2014
Reporting date: 01 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 12 Sep 2014
Reporting date: 11 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Jul 2014
Reporting date: 01 Jul 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 12 Jun 2014
Reporting date: 11 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 15 May 2014
Reporting date: 14 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

Filing date: 02 Apr 2014
Reporting date: 01 Apr 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11430

FORM 4

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

3 File 001-11430

FORM 3

Filing date: 04 Feb 2014
Reporting date: 01 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Donald C. Winter files with the SEC under CIK 0001216529. 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.

Donald C. Winter

Follow future filing-backed changes

What SEC filings say about Donald C. Winter

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Donald C. Winter

Filer Overview

Latest Filings

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4/A

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 3

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 3

About this filer

FAQ

Related pages for Donald C. Winter