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

Dennis Langer SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001274225.

Entity Type

Individual

Total Filings

101

Latest Filing

06 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 06 Feb 2026 for CIK 0001274225.

View Source Filing

Business address: C/O Peter Tsoflias, Blank Rome Llp, One Logan Square, Fl 9, Philadelpha, PA, 19103
Top holdings (ownership): MYGN and QNRX

Quick Takeaways

Dennis Langer is an SEC filer tracked under CIK 0001274225.
101 filings are listed on this profile.
Common form coverage includes 4, 144, 3/A and more.

What Changed

Latest filing: 4 filed on 06 Feb 2026.
Report period: 04 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 06 Feb 2026 for CIK 0001274225.

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 Dennis Langer.

Latest source-backed update: 4 filed 06 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 06 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.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Dennis Langer

Ownership report updated

Latest ownership report period: 04 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

06 Feb 2026

Page type

Ownership filings

Latest period

04 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 06 Feb 2026.

Open ownership filings Browse recent public updates

Filer Overview

Dennis Langer has filed 101 SEC EDGAR filings since 07 Jan 2004. Common forms include 4, 144, 3/A, 3 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Dennis Langer with direct links to document and filing folders.

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 06 Feb 2026
Reporting date: 04 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 15 Oct 2025
Reporting date: 14 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 25 Aug 2025
Reporting date: 21 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 02 Jun 2025
Reporting date: 29 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 10 Dec 2024
Reporting date: 09 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 10 Jun 2024
Reporting date: 07 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 07 Jun 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 30 Oct 2023
Reporting date: 26 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 001-37846

OWNERSHIP DOCUMENT

Filing date: 07 Mar 2023
Reporting date: 01 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-37846

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2023
Reporting date: 01 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

FORM 4

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

4 File 000-26642

FORM 4

Filing date: 03 Jun 2022
Reporting date: 02 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-11460

FORM 4

Filing date: 10 Dec 2021
Reporting date: 08 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 05 Aug 2021
Reporting date: 03 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 04 Jun 2021
Reporting date: 03 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-11460

FORM 3

Filing date: 05 May 2021
Reporting date: 01 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 07 Dec 2020
Reporting date: 04 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 06 Dec 2019
Reporting date: 05 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 21 Jun 2019
Reporting date: 20 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 30 Nov 2018
Reporting date: 29 Nov 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

4 filing

Filing date: 17 Aug 2018
Reporting date: 15 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 25 Jun 2018
Reporting date: 21 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 08 Jun 2018
Reporting date: 06 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 05 Jun 2018
Reporting date: 01 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 01 Jun 2018
Reporting date: 30 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14494

PRIMARY DOCUMENT

Filing date: 23 May 2018
Reporting date: 22 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 21 May 2018
Reporting date: 21 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 30 Jan 2018
Reporting date: 26 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 001-14494

PRIMARY DOCUMENT

Filing date: 17 Nov 2017
Reporting date: 15 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 20 Jul 2017
Reporting date: 18 Jul 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 17 Nov 2016
Reporting date: 16 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14494

PRIMARY DOCUMENT

Filing date: 08 Nov 2016
Reporting date: 04 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-14494

PRIMARY DOCUMENT

Filing date: 08 Nov 2016
Reporting date: 04 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

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

4 File 001-36281

FORM 4 SUBMISSION

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

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 07 Dec 2015
Reporting date: 03 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

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

4 File 001-16133

FORM 4 SUBMISSION

Filing date: 12 Jun 2015
Reporting date: 10 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-16133

PRIMARY DOCUMENT

Filing date: 15 Dec 2014
Reporting date: 11 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-16133

PRIMARY DOCUMENT

Filing date: 15 Dec 2014
Reporting date: 11 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 20 Jun 2014
Reporting date: 18 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-36281

FORM 4/A SUBMISSION

Filing date: 21 Apr 2014
Reporting date: 04 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

Filing date: 18 Apr 2014
Reporting date: 16 Apr 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-36281

FORM 4/A SUBMISSION

Filing date: 20 Feb 2014
Reporting date: 24 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36281

FORM 4 SUBMISSION

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

3 File 001-36281

FORM 3 SUBMISSION

Filing date: 29 Jan 2014
Reporting date: 29 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 06 Dec 2013
Reporting date: 05 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 000-26642

PRIMARY DOCUMENT

Filing date: 03 Dec 2012
Reporting date: 29 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34275

MAIN DOCUMENT DESCRIPTION

Filing date: 12 Dec 2011
Reporting date: 08 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 000-26642

PRIMARY DOCUMENT

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

4 File 001-34275

FORM 4

Filing date: 15 Nov 2010
Reporting date: 11 Nov 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50855

FORM 4 SUBMISSION

Filing date: 07 Jun 2010
Reporting date: 03 Jun 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50855

FORM 4 SUBMISSION

Filing date: 05 Jan 2010
Reporting date: 31 Dec 2009
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Dennis Langer files with the SEC under CIK 0001274225. 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.

Dennis Langer SEC EDGAR Filings

Save this filer page for the next filing cycle

Quick Takeaways

What Changed

Why This Matters

Source Evidence

Why revisit this filer page

What changed recently for Dennis Langer

Filer Overview

Latest Filings

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

144 filing

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

FORM 4

FORM 4

FORM 4

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 3

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4 SUBMISSION

PRIMARY DOCUMENT

4 filing

FORM 4 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4 SUBMISSION

PRIMARY DOCUMENT

FORM 4 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

PRIMARY DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4 SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

MAIN DOCUMENT DESCRIPTION

PRIMARY DOCUMENT

PRIMARY DOCUMENT

FORM 4

FORM 4 SUBMISSION

FORM 4 SUBMISSION

About this filer

FAQ

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