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

Jonathan A. Seiffer

CIK 0001243592. 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

19 May 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/A filed on 19 May 2026 for CIK 0001243592.

View Source Filing

Business address: 11111 Santa Monica Blvd, Ste 2000, Los Angeles, CA, 90025
Top holdings (ownership): ASLE and SIG

Filer intelligence

What SEC filings say about Jonathan A. Seiffer

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 ASLE worth $21.99M.

SEC source mix

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

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 3 rows

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

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Forms 3/4/5 insider context

ASLE

14 Mar 2025

$21.99M

Issuer page Owner page

SIG

21 Oct 2024

$4.73M

Issuer page Owner page

MCW

19 May 2026 · 10% owner

Issuer page Owner page

Latest update

What changed recently for Jonathan A. Seiffer

Ownership report updated

Latest ownership report period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

19 May 2026

Page type

Ownership filings

Latest period

19 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 19 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

Jonathan A. Seiffer has filed 78 SEC EDGAR filings since 12 Dec 2003. Common forms include 4/A, 4, 3, 5.

Jonathan A. Seiffer SEC filings Jonathan A. Seiffer owner filings

Latest Filings

Recent SEC filings for Jonathan A. Seiffer with direct links to document and filing folders.

4/A File 001-40542

4/A

Filing date: 19 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40542

4

Filing date: 19 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

4

Filing date: 18 Mar 2025
Reporting date: 14 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

4

Filing date: 23 Oct 2024
Reporting date: 21 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

4

Filing date: 02 Oct 2024
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

4

Filing date: 02 Jul 2024
Reporting date: 28 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

4

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

4 File 001-32349

4

Filing date: 16 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 19 Dec 2023
Reporting date: 15 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

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

4 File 001-38801

FORM 4 SUBMISSION

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

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 16 Dec 2022
Reporting date: 14 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 22 Nov 2022
Reporting date: 18 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 23 Aug 2022
Reporting date: 19 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 22 Jun 2022
Reporting date: 17 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

FORM 4 SUBMISSION

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

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 14 Sep 2021
Reporting date: 10 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40542

FORM 4 SUBMISSION

Filing date: 30 Aug 2021
Reporting date: 26 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40542

FORM 4 SUBMISSION

Filing date: 01 Jul 2021
Reporting date: 29 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 29 Jun 2021
Reporting date: 25 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40542

FORM 3 SUBMISSION

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

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 20 Apr 2021
Reporting date: 16 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38801

FORM 4 SUBMISSION

Filing date: 02 Apr 2021
Reporting date: 08 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 29 Mar 2021
Reporting date: 25 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38801

FORM 3 SUBMISSION

Filing date: 30 Dec 2020
Reporting date: 22 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 30 Dec 2020
Reporting date: 28 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 29 Sep 2020
Reporting date: 25 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 29 Jun 2020
Reporting date: 25 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 16 Jun 2020
Reporting date: 12 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38559

FORM 4 SUBMISSION

Filing date: 08 Oct 2019
Reporting date: 04 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38559

FORM 4 SUBMISSION

Filing date: 17 Sep 2019
Reporting date: 16 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32349

FORM 4 SUBMISSION

Filing date: 18 Jun 2019
Reporting date: 14 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-32349

FORM 3 SUBMISSION

Filing date: 18 Jun 2019
Reporting date: 14 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38559

FORM 4 SUBMISSION

Filing date: 11 Jun 2019
Reporting date: 07 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38559

FORM 4 SUBMISSION

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

4 File 001-38559

FORM 4 SUBMISSION

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

3 File 001-38559

FORM 3 SUBMISSION

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

4 File 000-19797

FORM 4

Filing date: 28 Aug 2017
Reporting date: 25 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

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 000-19797

FORM 4

Filing date: 11 May 2017
Reporting date: 10 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

FORM 4

Filing date: 09 Dec 2016
Reporting date: 07 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

FORM 4

Filing date: 16 May 2016
Reporting date: 13 May 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

FORM 4

Filing date: 01 Dec 2015
Reporting date: 30 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 000-19797

FORM 5

Filing date: 12 Nov 2015
Reporting date: 27 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

FORM 4

Filing date: 18 May 2015
Reporting date: 15 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

FORM 4

Filing date: 17 Feb 2015
Reporting date: 13 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

12/2014 SEIFFER DONATIONS

Filing date: 04 Dec 2014
Reporting date: 02 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 000-19797

11/2014 SEIFFER DONATIONS

Filing date: 24 Nov 2014
Reporting date: 28 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 000-19797

MAY 16, 2014

Filing date: 22 May 2014
Reporting date: 16 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

MAY 16, 2014

Filing date: 20 May 2014
Reporting date: 16 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

NOVEMBER 2013 DONATION OF WFM SHARES

Filing date: 19 Feb 2014
Reporting date: 14 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 000-19797

NOVEMBER 2013 DONATION OF WFM SHARES

Filing date: 25 Nov 2013
Reporting date: 29 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

MAY 31, 2013 GRANT OF WHOLE FOODS COMMON STOCK OPTIONS

Filing date: 04 Jun 2013
Reporting date: 31 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

MAY 13, 2013 SALE OF WHOLE FOODS COMMON

Filing date: 15 May 2013
Reporting date: 13 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; DECEMBER 4, 2012 GRANTS

Filing date: 06 Dec 2012
Reporting date: 04 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; DECEMBER 3, 2012 SALES

Filing date: 04 Dec 2012
Reporting date: 03 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; NOVEMBER 26 AND 27, 2012 SALES

Filing date: 29 Nov 2012
Reporting date: 26 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; NOVEMBER 19, 2012 DISTRIBUTION

Filing date: 20 Nov 2012
Reporting date: 19 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; AUGUST 20, 2012 SALES

Filing date: 23 Aug 2012
Reporting date: 20 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; JULY 27, 30 AND 31, 2012 SALES

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

4 File 000-19797

WHOLE FOODS COMMON; MAY 11, 2012 OPTION GRANT

Filing date: 15 May 2012
Reporting date: 11 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; FEBRUARY 28, FEBRUARY 29 AND MARCH 1, 2012 SALES

Filing date: 01 Mar 2012
Reporting date: 28 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; NOVEMBER 30 AND DECEMBER 1, 2011 SALES

Filing date: 02 Dec 2011
Reporting date: 30 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; NOVEMBER 16, 2011 RESTRICTED STOCK GRANT

Filing date: 21 Nov 2011
Reporting date: 16 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; NOVEMBER 4, 7 AND 8, 2011 SALES

Filing date: 08 Nov 2011
Reporting date: 04 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; JULY 29, AUGUST 1 AND AUGUST 2, 2011 SALES

Filing date: 02 Aug 2011
Reporting date: 29 Jul 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS OPTION AWARD MAY 13 2011

Filing date: 17 May 2011
Reporting date: 13 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON FEBRUARY 11, 14 AND 15 SALES

Filing date: 15 Feb 2011
Reporting date: 11 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON NOV 4 2010 SALE

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

4 File 000-19797

WHOLE FOODS COMMON MAY 14, 17 & 18 2010 SALES; OPTION GRANT

Filing date: 18 May 2010
Reporting date: 14 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19797

WHOLE FOODS COMMON; 2/18/2010 SALES

Filing date: 22 Feb 2010
Reporting date: 18 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Jonathan A. Seiffer files with the SEC under CIK 0001243592. 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.