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

Henry P. Linginfelter

CIK 0001403613. 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

02 Apr 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 filed on 02 Apr 2026 for CIK 0001403613.

View Source Filing

Business address: American Electric Power Company, Inc., 1 Riverside Plaza, Columbus, OH, 43215
Top holdings (ownership): SWX and AEP

Filer intelligence

What SEC filings say about Henry P. Linginfelter

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 SWX worth $819.7K.

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 2 rows

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

Open

Forms 3/4/5 insider context

SWX

19 Feb 2026

$819.7K

Issuer page Owner page

AEP

31 Mar 2026

$384.7K

Issuer page Owner page

Latest update

What changed recently for Henry P. Linginfelter

Ownership report updated

Latest ownership report period: 31 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

02 Apr 2026

Page type

Ownership filings

Latest period

31 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 02 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

Henry P. Linginfelter has filed 74 SEC EDGAR filings since 19 Jun 2007. Common forms include 4, 5, 3, 4/A.

Henry P. Linginfelter SEC filings Henry P. Linginfelter owner filings

Latest Filings

Recent SEC filings for Henry P. Linginfelter with direct links to document and filing folders.

4 File 001-03525

FORM 4

Filing date: 02 Apr 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

FORM 4

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

Filing date: 05 Jan 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

Filing date: 02 Oct 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

Filing date: 02 Jul 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

Filing date: 02 Apr 2025
Reporting date: 31 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

FORM 4

Filing date: 24 Feb 2025
Reporting date: 20 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-37976

FORM 5

Filing date: 13 Feb 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

Filing date: 03 Jan 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-03525

FORM 4

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

4 File 001-03525

FORM 4

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

4 File 001-03525

FORM 4

Filing date: 02 Apr 2024
Reporting date: 31 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

FORM 4

Filing date: 26 Feb 2024
Reporting date: 22 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-03525

FORM 3

Filing date: 20 Feb 2024
Reporting date: 12 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

FORM 4

Filing date: 28 Dec 2023
Reporting date: 01 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

FORM 4

Filing date: 24 Feb 2023
Reporting date: 23 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37976

4 filing

Filing date: 04 Aug 2022
Reporting date: 02 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-37976

3 filing

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

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 05 Jul 2016
Reporting date: 01 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 17 Jun 2016
Reporting date: 15 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 03 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 11 Feb 2016
Reporting date: 09 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 25 Nov 2015
Reporting date: 24 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 13 Oct 2015
Reporting date: 30 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 09 Sep 2015
Reporting date: 04 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-14174

FORM 4/A SUBMISSION

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

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 04 Mar 2015
Reporting date: 02 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 19 Feb 2015
Reporting date: 17 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

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

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 11 Dec 2014
Reporting date: 09 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

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

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 05 May 2014
Reporting date: 01 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 05 Mar 2014
Reporting date: 03 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 12 Feb 2014
Reporting date: 03 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-14174

FORM 5 SUBMISSION

Filing date: 06 Feb 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-14174

FORM 4/A SUBMISSION

Filing date: 27 Jan 2014
Reporting date: 24 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-14174

FORM 4/A SUBMISSION

Filing date: 27 Jan 2014
Reporting date: 13 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 11 Dec 2013
Reporting date: 09 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 25 Sep 2013
Reporting date: 24 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 17 Sep 2013
Reporting date: 13 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 14 Aug 2013
Reporting date: 13 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 05 Mar 2013
Reporting date: 01 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 06 Feb 2013
Reporting date: 04 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 22 Jan 2013
Reporting date: 17 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 06 Aug 2012
Reporting date: 03 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

FORM 4 SUBMISSION

Filing date: 01 Aug 2012
Reporting date: 30 Jul 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 20 Mar 2012
Reporting date: 16 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 05 Mar 2012
Reporting date: 01 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 22 Feb 2012
Reporting date: 17 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 07 Feb 2012
Reporting date: 03 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 12 Dec 2011
Reporting date: 09 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 02 Mar 2011
Reporting date: 01 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 09 Feb 2011
Reporting date: 07 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

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

4/A File 001-14174

PRIMARY DOCUMENT

Filing date: 06 May 2010
Reporting date: 30 Apr 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

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

4/A File 001-14174

PRIMARY DOCUMENT

Filing date: 12 Feb 2010
Reporting date: 03 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 04 Feb 2010
Reporting date: 02 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14174

PRIMARY DOCUMENT

Filing date: 01 Feb 2010
Reporting date: 01 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Henry P. Linginfelter files with the SEC under CIK 0001403613. 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.

Henry P. Linginfelter

Follow future filing-backed changes

What SEC filings say about Henry P. Linginfelter

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Henry P. Linginfelter

Filer Overview

Latest Filings

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 5

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 3

FORM 4

FORM 4

4 filing

3 filing

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 5 SUBMISSION

FORM 4/A SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

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PRIMARY DOCUMENT

About this filer

FAQ

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