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

Gregory A. Demopulos MD SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001472160.

Entity Type

Individual

Total Filings

Latest Filing

20 Feb 2026

Industry

n/a

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Start with the latest filings table, then open the strongest context page for this filer.

Use the filings table to verify the newest submission, form type, and report period.
Open the deeper context page only when this filer actually has insider or ownership signal.

Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 20 Feb 2026 for CIK 0001472160.

View Source Filing

Business address: 201 Elliott Avenue West, Seattle, WA, 98119
Top holdings (ownership): OMER

Key facts

Gregory A. Demopulos MD is an SEC filer tracked under CIK 0001472160.
51 filings are listed on this profile.
Common form coverage includes 4, SC 13G/A, SC 13G and more.

Change

Latest filing: 4 filed on 20 Feb 2026.
Report period: 18 Feb 2026.

Research use

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.

Evidence

Source: SEC Forms 3/4/5

4 filed on 20 Feb 2026 for CIK 0001472160.

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 Gregory A. Demopulos MD.

Latest source-backed update: 4 filed 20 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 20 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 Gregory A. Demopulos MD

Ownership report updated

Latest ownership report period: 18 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

20 Feb 2026

Page type

Ownership filings

Latest period

18 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 20 Feb 2026.

Open ownership filings Browse recent public updates

Filer Overview

Gregory A. Demopulos MD has filed 51 SEC EDGAR filings since 07 Oct 2009. Common forms include 4, SC 13G/A, SC 13G, 3.

Gregory A. Demopulos MD SEC filings Gregory A. Demopulos MD owner filings

Latest Filings

Recent SEC filings for Gregory A. Demopulos MD with direct links to document and filing folders.

4 File 001-34475

FORM 4

Filing date: 20 Feb 2026
Reporting date: 18 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

Filing date: 15 Oct 2025
Reporting date: 13 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

Filing date: 01 Jul 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

Filing date: 29 Apr 2024
Reporting date: 25 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SCHEDULE 13G/A

Filing date: 14 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

Filing date: 21 Nov 2023
Reporting date: 17 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

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

4 File 001-34475

FORM 4

Filing date: 27 Sep 2023
Reporting date: 22 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 14 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 23 Sep 2022
Reporting date: 21 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 14 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 06 Jul 2021
Reporting date: 02 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 17 Jun 2021
Reporting date: 15 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 21 May 2021
Reporting date: 19 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 08 Apr 2021
Reporting date: 07 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 12 Feb 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

4 filing

Filing date: 03 Mar 2020
Reporting date: 01 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 14 Feb 2020
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G - AMENDMENT NO 10

Filing date: 13 Feb 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 12 Feb 2019
Reporting date: 08 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 11 Apr 2018
Reporting date: 08 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 14 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

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

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 28 Feb 2017
Reporting date: 26 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 14 Feb 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 07 Dec 2016
Reporting date: 05 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 02 Dec 2016
Reporting date: 30 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 01 Mar 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

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

SC 13G/A

Filing date: 11 Feb 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

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

4 File 001-34475

FORM 4 SUBMISSION

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

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 29 Jan 2015
Reporting date: 28 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 16 Jan 2015
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

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

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 31 Oct 2014
Reporting date: 29 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 19 May 2014
Reporting date: 18 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

Filing date: 12 Feb 2014
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4 SUBMISSION

Filing date: 03 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

FORM 4

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

4 File 001-34475

FORM 4

Filing date: 27 Sep 2013
Reporting date: 25 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

AMENDMENT NO. 3 TO SCHEDULE 13G

Filing date: 22 Jan 2013
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

PRIMARY DOCUMENT

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

4 File 001-34475

PRIMARY DOCUMENT

Filing date: 09 Oct 2012
Reporting date: 07 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

AMENDMENT NO. 2 TO SCHEDULE 13G

Filing date: 17 Jan 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

PRIMARY DOCUMENT

Filing date: 10 Jan 2012
Reporting date: 08 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

PRIMARY DOCUMENT

Filing date: 22 Aug 2011
Reporting date: 18 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SCHEDULE 13G AMENDMENT NO. 1

Filing date: 24 Jan 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34475

PRIMARY DOCUMENT

Filing date: 09 Apr 2010
Reporting date: 07 Apr 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G

Filing date: 11 Feb 2010
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Gregory A. Demopulos MD files with the SEC under CIK 0001472160. 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.

Gregory A. Demopulos MD SEC EDGAR Filings

Save this filer page for the next filing cycle

Key facts

Change

Research use

Evidence

Why revisit this filer page

What changed recently for Gregory A. Demopulos MD

Filer Overview

Latest Filings

FORM 4

FORM 4

FORM 4

FORM 4

SCHEDULE 13G/A

FORM 4

FORM 4

FORM 4

SC 13G/A filing

4 filing

SC 13G/A filing

4 filing

4 filing

4 filing

4 filing

SC 13G/A filing

4 filing

SC 13G/A

SC 13G - AMENDMENT NO 10

FORM 4 SUBMISSION

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

SC 13G/A

FORM 4 SUBMISSION

FORM 4

FORM 4

AMENDMENT NO. 3 TO SCHEDULE 13G

PRIMARY DOCUMENT

PRIMARY DOCUMENT

AMENDMENT NO. 2 TO SCHEDULE 13G

PRIMARY DOCUMENT

PRIMARY DOCUMENT

SCHEDULE 13G AMENDMENT NO. 1

PRIMARY DOCUMENT

SC 13G

About this filer

FAQ

Related pages for Gregory A. Demopulos MD