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

William A. Ackman SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001056513.

Entity Type

Individual

Total Filings

203

Latest Filing

07 May 2026

Industry

n/a

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Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

3 filed on 07 May 2026 for CIK 0001056513.

View Source Filing

Business address: 787 11 Th Avenue, 9 Th Floor, New York, NY, 10019
Top holdings (ownership): HHH and SEG
Fiscal year end: 31 December

Quick Takeaways

William A. Ackman is an SEC filer tracked under CIK 0001056513.
203 filings are listed on this profile.
Common form coverage includes 3, 4, 4/A and more.

What Changed

Latest filing: 3 filed on 07 May 2026.
Report period: 27 Apr 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

3 filed on 07 May 2026 for CIK 0001056513.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 3 can change the filing history, ownership context, or next research path for William A. Ackman.

Latest source-backed update: 3 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: 3 filed 07 May 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.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for William A. Ackman

Ownership report updated

Latest ownership report period: 30 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

01 May 2026

Page type

Ownership filings

Latest period

30 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 01 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

William A. Ackman has filed 203 SEC EDGAR filings since 14 May 1999. Common forms include 3, 4, 4/A, 5 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for William A. Ackman with direct links to document and filing folders.

3 File 001-41779

3 filing

Filing date: 07 May 2026
Reporting date: 27 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-43256

FORM 4

Filing date: 04 May 2026
Reporting date: 28 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 811-23932

FORM 4

Filing date: 01 May 2026
Reporting date: 30 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-43256

FORM 3

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

3 File 811-23932

FORM 3

Filing date: 28 Apr 2026
Reporting date: 28 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-56597

FORM 4

Filing date: 23 Apr 2026
Reporting date: 21 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

FORM 4

Filing date: 23 Apr 2026
Reporting date: 21 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-42113

FORM 4

Filing date: 23 Apr 2026
Reporting date: 21 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

FORM 4

Filing date: 07 May 2025
Reporting date: 05 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-42113

4

Filing date: 22 Oct 2024
Reporting date: 18 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-42113

3 filing

Filing date: 07 Aug 2024
Reporting date: 31 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41779

3

Filing date: 18 Jul 2024
Reporting date: 16 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 11 Dec 2023
Reporting date: 07 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 06 Dec 2023
Reporting date: 04 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 01 Dec 2023
Reporting date: 29 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 28 Nov 2023
Reporting date: 24 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

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

4 File 001-41779

4

Filing date: 17 Nov 2023
Reporting date: 15 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 14 Nov 2023
Reporting date: 10 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 09 Nov 2023
Reporting date: 07 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 06 Nov 2023
Reporting date: 02 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

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

4 File 001-41779

4

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

4 File 001-41779

4

Filing date: 24 Oct 2023
Reporting date: 20 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 19 Oct 2023
Reporting date: 17 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 16 Oct 2023
Reporting date: 12 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 11 Oct 2023
Reporting date: 09 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 06 Oct 2023
Reporting date: 04 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 03 Oct 2023
Reporting date: 29 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-56597

FORM 3 SUBMISSION

Filing date: 29 Sep 2023
Reporting date: 29 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 28 Sep 2023
Reporting date: 26 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

4

Filing date: 25 Sep 2023
Reporting date: 21 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

FORM 4 SUBMISSION

Filing date: 23 Aug 2023
Reporting date: 21 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41779

FORM 4 SUBMISSION

Filing date: 22 Aug 2023
Reporting date: 16 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

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

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 27 Jun 2023
Reporting date: 23 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

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

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 02 Jun 2023
Reporting date: 31 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 30 May 2023
Reporting date: 25 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 24 May 2023
Reporting date: 22 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 19 May 2023
Reporting date: 17 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 16 May 2023
Reporting date: 12 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 11 May 2023
Reporting date: 09 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 04 May 2023
Reporting date: 02 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 26 Apr 2023
Reporting date: 24 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 17 Apr 2023
Reporting date: 13 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 12 Apr 2023
Reporting date: 10 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 27 Mar 2023
Reporting date: 23 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 20 Mar 2023
Reporting date: 16 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 15 Mar 2023
Reporting date: 13 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 30 Dec 2022
Reporting date: 28 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

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

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 07 Dec 2022
Reporting date: 05 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

OWNERSHIP DOCUMENT

Filing date: 30 Nov 2022
Reporting date: 29 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

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

4 File 001-32731

FORM 4 SUBMISSION

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

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 08 Sep 2021
Reporting date: 03 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 08 Sep 2021
Reporting date: 03 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 02 Jul 2021
Reporting date: 01 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 08 Jan 2021
Reporting date: 06 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 06 Jan 2021
Reporting date: 04 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39396

FORM 3

Filing date: 23 Jul 2020
Reporting date: 21 Jul 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-34856

FORM 4/A SUBMISSION

Filing date: 11 Jun 2020
Reporting date: 27 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 05 Jun 2020
Reporting date: 03 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 31 Mar 2020
Reporting date: 27 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 26 Feb 2020
Reporting date: 24 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 07 Feb 2020
Reporting date: 06 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 17 Dec 2019
Reporting date: 13 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 27 Sep 2019
Reporting date: 26 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 28 Jun 2019
Reporting date: 27 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 02 Apr 2019
Reporting date: 11 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 02 Apr 2019
Reporting date: 11 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 14 Feb 2019
Reporting date: 12 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

Filing date: 05 Feb 2019
Reporting date: 03 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 13 Nov 2018
Reporting date: 08 Nov 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 07 Nov 2018
Reporting date: 05 Nov 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

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

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 24 Sep 2018
Reporting date: 20 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 19 Sep 2018
Reporting date: 17 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 30 Aug 2018
Reporting date: 28 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

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

4 File 001-32731

FORM 4 SUBMISSION

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 03 Jan 2018
Reporting date: 29 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 05 Jul 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14956

FORM 4 SUBMISSION

Filing date: 03 May 2017
Reporting date: 02 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14956

FORM 4 SUBMISSION

Filing date: 14 Mar 2017
Reporting date: 13 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-32731

FORM 3 SUBMISSION

Filing date: 19 Dec 2016
Reporting date: 14 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14956

FORM 4 SUBMISSION

Filing date: 13 Dec 2016
Reporting date: 12 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

Filing date: 14 Nov 2016
Reporting date: 10 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-01342

FORM 4 SUBMISSION

Filing date: 07 Sep 2016
Reporting date: 06 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-01342

FORM 4 SUBMISSION

Filing date: 05 Aug 2016
Reporting date: 03 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14956

FORM 4 SUBMISSION

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

4 File 001-35797

FORM 4 SUBMISSION

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

4 File 001-35797

FORM 4 SUBMISSION

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

4 File 001-01342

FORM 4 SUBMISSION

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

3 File 001-14956

FORM 3 SUBMISSION

Filing date: 16 Mar 2016
Reporting date: 08 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 04 Jan 2016
Reporting date: 31 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-01342

FORM 3 SUBMISSION

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

4 File 001-35797

FORM 4 SUBMISSION

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

4 File 001-36272

FORM 4 SUBMISSION

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

4 File 001-34856

FORM 4 SUBMISSION

Filing date: 02 Jul 2015
Reporting date: 30 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35797

FORM 3 SUBMISSION

Filing date: 04 Feb 2015
Reporting date: 03 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

Filing date: 07 Oct 2014
Reporting date: 03 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Oct 2014
Reporting date: 01 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

Filing date: 03 Oct 2014
Reporting date: 01 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36272

FORM 4 SUBMISSION

Filing date: 11 Mar 2014
Reporting date: 07 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-09076

FORM 4

Filing date: 03 Feb 2014
Reporting date: 30 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36272

FORM 3

Filing date: 24 Jan 2014
Reporting date: 23 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

MAIN DOCUMENT DESCRIPTION

Filing date: 02 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 28 Aug 2013
Reporting date: 27 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jul 2013
Reporting date: 01 Jul 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jul 2013
Reporting date: 01 Jul 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jul 2013
Reporting date: 01 Jul 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

MAIN DOCUMENT DESCRIPTION

Filing date: 03 Jan 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

FORM4

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

4 File 001-09076

FORM 4

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 17 Apr 2012
Reporting date: 13 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 24 Jan 2012
Reporting date: 21 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 26 Sep 2011
Reporting date: 22 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 09 Aug 2011
Reporting date: 05 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13740

MAIN DOCUMENT DESCRIPTION

Filing date: 27 Jul 2011
Reporting date: 25 Jul 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 07 Jun 2011
Reporting date: 03 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 24 May 2011
Reporting date: 20 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13740

MAIN DOCUMENT DESCRIPTION

Filing date: 18 May 2011
Reporting date: 17 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 14 Feb 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34856

4

Filing date: 12 Nov 2010
Reporting date: 09 Nov 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-34856

3

Filing date: 09 Nov 2010
Reporting date: 09 Nov 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-09076

MAIN DOCUMENT DESCRIPTION

Filing date: 08 Oct 2010
Reporting date: 04 Oct 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-15274

MAIN DOCUMENT DESCRIPTION

Filing date: 08 Oct 2010
Reporting date: 04 Oct 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13740

MAIN DOCUMENT DESCRIPTION

Filing date: 04 Oct 2010
Reporting date: 30 Sep 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13740

MAIN DOCUMENT DESCRIPTION

Filing date: 25 May 2010
Reporting date: 21 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11656

MAIN DOCUMENT DESCRIPTION

Filing date: 10 Mar 2010
Reporting date: 08 Jun 2009
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

William A. Ackman files with the SEC under CIK 0001056513. 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.