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

Peter M. Ziemba SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001064674.

Entity Type

Individual

Total Filings

Latest Filing

25 Feb 2026

Industry

n/a

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Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 25 Feb 2026 for CIK 0001064674.

View Source Filing

Business address: 250 West 34 Th Street, 3 Rd Floor, C/O Wisdomtree, Inc., New York, NY, 10119
Top holdings (ownership): WT

Quick Takeaways

Peter M. Ziemba is an SEC filer tracked under CIK 0001064674.
75 filings are listed on this profile.
Common form coverage includes 4, 4/A, 144 and more.

What Changed

Latest filing: 4 filed on 25 Feb 2026.
Report period: 23 Feb 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 25 Feb 2026 for CIK 0001064674.

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 Peter M. Ziemba.

Latest source-backed update: 4 filed 25 Feb 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 25 Feb 2026.
Save this filer if you want a stable place to return after the next filing cycle.
Open the latest filing table or ownership context to verify what changed.

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 Peter M. Ziemba

Ownership report updated

Latest ownership report period: 23 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

25 Feb 2026

Page type

Ownership filings

Latest period

23 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 25 Feb 2026.

Open ownership filings Browse recent public updates

Filer Overview

Peter M. Ziemba has filed 75 SEC EDGAR filings since 24 Jun 1998. Common forms include 4, 4/A, 144, 5 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Peter M. Ziemba with direct links to document and filing folders.

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 25 Feb 2026
Reporting date: 23 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

PRIMARY DOCUMENT

Filing date: 24 Feb 2026
Reporting date: 25 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 29 Jan 2026
Reporting date: 27 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 27 Jan 2026
Reporting date: 25 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

PRIMARY DOCUMENT

Filing date: 12 Feb 2025
Reporting date: 25 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 29 Jan 2025
Reporting date: 27 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 27 Jan 2025
Reporting date: 25 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

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

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 18 Nov 2024
Reporting date: 15 Nov 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 15 Nov 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

PRIMARY DOCUMENT

Filing date: 23 Feb 2024
Reporting date: 25 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 31 Jan 2024
Reporting date: 29 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

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

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 18 Aug 2023
Reporting date: 16 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 17 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 16 Aug 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 07 Jun 2023
Reporting date: 06 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

PRIMARY DOCUMENT

Filing date: 03 Mar 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

Filing date: 01 Feb 2023
Reporting date: 30 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

PRIMARY DOCUMENT

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

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 07 Jun 2022
Reporting date: 03 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

FORM 4/A SUBMISSION

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

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 27 Jan 2022
Reporting date: 25 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 18 Nov 2021
Reporting date: 20 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 27 Jan 2021
Reporting date: 25 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-10932

FORM 5 SUBMISSION

Filing date: 12 Feb 2020
Reporting date: 31 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 04 Feb 2020
Reporting date: 03 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 04 Feb 2019
Reporting date: 04 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

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

4/A File 001-10932

FORM 4/A SUBMISSION

Filing date: 29 Mar 2018
Reporting date: 23 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 20 Feb 2018
Reporting date: 15 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 29 Jan 2018
Reporting date: 25 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 02 Jan 2018
Reporting date: 14 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

FORM 4/A SUBMISSION

Filing date: 31 Jan 2017
Reporting date: 27 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

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

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 27 Jan 2017
Reporting date: 25 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 18 Jan 2017
Reporting date: 14 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-10932

FORM 5 SUBMISSION

Filing date: 17 Jan 2017
Reporting date: 31 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 12 Sep 2016
Reporting date: 09 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

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

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 26 Jan 2016
Reporting date: 22 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 15 Jan 2016
Reporting date: 14 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 15 Dec 2015
Reporting date: 11 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 06 Aug 2015
Reporting date: 05 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 08 May 2015
Reporting date: 07 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 03 Mar 2015
Reporting date: 02 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

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

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 28 Jan 2015
Reporting date: 27 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 26 Jan 2015
Reporting date: 25 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 23 Jan 2015
Reporting date: 22 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 SUBMISSION

Filing date: 16 Jan 2015
Reporting date: 14 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA DECEMBER 2014 GIFTS

Filing date: 16 Dec 2014
Reporting date: 15 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA AUGUST 2014 STOCK OPTION EXERCISE

Filing date: 25 Aug 2014
Reporting date: 22 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JANUARY 27, 2014 VESTING

Filing date: 28 Jan 2014
Reporting date: 27 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JANUARY 25, 2014 VESTING

Filing date: 28 Jan 2014
Reporting date: 25 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JANUARY 22, 2014 VESTING

Filing date: 24 Jan 2014
Reporting date: 22 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JAN 2014 EQUITY GRANT

Filing date: 16 Jan 2014
Reporting date: 14 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA DECEMBER 2013 GIFTS

Filing date: 17 Dec 2013
Reporting date: 06 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JUNE 2013 STOCK OPTION EXERCISE

Filing date: 17 Jun 2013
Reporting date: 14 Jun 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA INDIRECT SALE 3-12

Filing date: 13 Mar 2013
Reporting date: 12 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA INDIRECT SALE FEB 2013

Filing date: 13 Feb 2013
Reporting date: 11 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA JAN 2013 EQUITY GRANT

Filing date: 24 Jan 2013
Reporting date: 22 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

ZIEMBA DEC 2012 VESTING

Filing date: 21 Dec 2012
Reporting date: 19 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

DECEMBER 2012 VOLUNTARY FORM 4

Filing date: 14 Dec 2012
Reporting date: 11 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-10932

AMEDMENT TO 8/21/2012 FORM 4

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

4 File 001-10932

ZIEMBA AUG 20 EXERCISE

Filing date: 21 Aug 2012
Reporting date: 20 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 PETER M. ZIEMBA 8-16-12 EVENT

Filing date: 16 Aug 2012
Reporting date: 16 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 PETER M. ZIEMBA 8-13-12 EVENT

Filing date: 15 Aug 2012
Reporting date: 13 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 PETER M. ZIEMBA 2-2-12 EVENT

Filing date: 06 Feb 2012
Reporting date: 02 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 PETER M. ZIEMBA 1-27-12 EVENT

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

4/A File 001-10932

FORM 4/A PETER M. ZIEMBA 1-25-12 EVENT

Filing date: 30 Jan 2012
Reporting date: 25 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-10932

FORM 4 PETER M. ZIEMBA 1-25-12 EVENT

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

3 File 001-10932

FORM 3 PETER M. ZIEMBA

Filing date: 22 Jul 2011
Reporting date: 25 Jul 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Peter M. Ziemba files with the SEC under CIK 0001064674. 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.