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

Patrick C. Eilers

CIK 0001246237. 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

03 Mar 2026

Industry

n/a

Follow future filing-backed changes

Save this filer to return when a new filing changes the portfolio, large-stake, insider, or company context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it

Best next click

Start with the summary below, then verify the strongest source-backed page for this filer.

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 03 Mar 2026 for CIK 0001246237.

View Source Filing

Business address: 58 Indian Hill Road, Winnetka, IL, 60093
Top holdings (ownership): AIRJ

Filer intelligence

What SEC filings say about Patrick C. Eilers

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Save filer

Quick read

Forms 3/4/5 show insider context for AIRJ worth $14.53M.

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

AIRJ

27 Feb 2026 · Executive Chairman

$14.53M

Issuer page Owner page

Latest update

What changed recently for Patrick C. Eilers

Ownership report updated

Latest ownership report period: 27 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

03 Mar 2026

Page type

Ownership filings

Latest period

27 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 03 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Patrick C. Eilers has filed 73 SEC EDGAR filings since 09 Feb 2006. Common forms include 4, SC 13D/A, SC 13D, 3/A and more.

Patrick C. Eilers SEC filings Patrick C. Eilers owner filings

Latest Filings

Recent SEC filings for Patrick C. Eilers with direct links to document and filing folders.

4 File 001-41151

4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4

Filing date: 13 Feb 2026
Reporting date: 11 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4

Filing date: 20 Jan 2026
Reporting date: 15 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4

Filing date: 10 Jun 2025
Reporting date: 06 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4 filing

Filing date: 14 Feb 2025
Reporting date: 12 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A

AMENDMENT NO. 2 TO SCHEDULE 13D

Filing date: 18 Sep 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4 filing

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

SC 13D/A

AMENDMENT NO. 1 TO SCHEDULE 13D

Filing date: 26 Jul 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4 filing

Filing date: 26 Jul 2024
Reporting date: 24 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4 filing

Filing date: 10 Jun 2024
Reporting date: 06 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D

SCHEDULE 13D

Filing date: 21 Mar 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41151

4 filing

Filing date: 19 Mar 2024
Reporting date: 14 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 001-41151

3/A filing

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

3 File 001-41151

3 filing

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

3 File 001-41151

3 filing

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

3 File 001-40046

3 filing

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

3 File 001-40046

3 filing

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

4 File 001-37469

PRIMARY DOCUMENT

Filing date: 11 Sep 2017
Reporting date: 22 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 16 Feb 2016
Reporting date: 12 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 28 Jan 2016
Reporting date: 26 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 06 Jan 2016
Reporting date: 04 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37469

PRIMARY DOCUMENT

Filing date: 20 Nov 2015
Reporting date: 18 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 18 Nov 2015
Reporting date: 13 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 18 Aug 2015
Reporting date: 14 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37469

PRIMARY DOCUMENT

Filing date: 13 Aug 2015
Reporting date: 11 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-37469

FORM 3

Filing date: 30 Jun 2015
Reporting date: 26 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 19 May 2015
Reporting date: 15 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 18 Feb 2015
Reporting date: 13 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 06 Jan 2015
Reporting date: 02 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

FORM 4

Filing date: 17 Nov 2014
Reporting date: 14 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 18 Aug 2014
Reporting date: 14 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 19 May 2014
Reporting date: 15 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 18 Feb 2014
Reporting date: 14 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 30 Jan 2014
Reporting date: 28 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 06 Jan 2014
Reporting date: 02 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Nov 2013
Reporting date: 14 Nov 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Aug 2013
Reporting date: 14 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 17 May 2013
Reporting date: 15 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Feb 2013
Reporting date: 14 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 04 Jan 2013
Reporting date: 02 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Nov 2012
Reporting date: 14 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-16335

PRIMARY DOCUMENT

Filing date: 22 Oct 2012
Reporting date: 12 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Oct 2012
Reporting date: 12 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Aug 2012
Reporting date: 14 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 17 May 2012
Reporting date: 15 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Feb 2012
Reporting date: 14 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 30 Jan 2012
Reporting date: 26 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 05 Jan 2012
Reporting date: 03 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Nov 2011
Reporting date: 14 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Aug 2011
Reporting date: 12 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 May 2011
Reporting date: 13 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Feb 2011
Reporting date: 14 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 04 Jan 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 15 Nov 2010
Reporting date: 12 Nov 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-34935

3

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

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Aug 2010
Reporting date: 13 Aug 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 17 May 2010
Reporting date: 14 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 16 Feb 2010
Reporting date: 12 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16335

PRIMARY DOCUMENT

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

4 File 001-16335

PRIMARY DOCUMENT

Filing date: 05 Jan 2010
Reporting date: 04 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Patrick C. Eilers files with the SEC under CIK 0001246237. 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.

Patrick C. Eilers

Follow future filing-backed changes

What SEC filings say about Patrick C. Eilers

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Patrick C. Eilers

Filer Overview

Latest Filings

4

4

4

4

4 filing

AMENDMENT NO. 2 TO SCHEDULE 13D

4 filing

AMENDMENT NO. 1 TO SCHEDULE 13D

4 filing

4 filing

SCHEDULE 13D

4 filing

3/A filing

3 filing

3 filing

3 filing

3 filing

PRIMARY DOCUMENT

FORM 4

FORM 4

FORM 4

PRIMARY DOCUMENT

FORM 4

FORM 4

PRIMARY DOCUMENT

FORM 3

FORM 4

FORM 4

FORM 4

FORM 4

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

3

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

About this filer

FAQ

Related pages for Patrick C. Eilers