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

Arthur F. Ryan SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001187443.

Entity Type

Individual

Total Filings

122

Latest Filing

04 May 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 04 May 2026 for CIK 0001187443.

View Source Filing

Business address: C/O Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY, 10591
Top holdings (ownership): REGN

Key facts

Arthur F. Ryan is an SEC filer tracked under CIK 0001187443.
122 filings are listed on this profile.
Common form coverage includes 4, 144, 5 and more.

Change

Latest filing: 4 filed on 04 May 2026.
Report period: 01 May 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 04 May 2026 for CIK 0001187443.

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 Arthur F. Ryan.

Latest source-backed update: 4 filed 04 May 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 04 May 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 Arthur F. Ryan

Ownership report updated

Latest ownership report period: 01 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

04 May 2026

Page type

Ownership filings

Latest period

01 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 04 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

Arthur F. Ryan has filed 122 SEC EDGAR filings since 20 Dec 2002. Common forms include 4, 144, 5, 3.

Arthur F. Ryan SEC filings Arthur F. Ryan owner filings

Latest Filings

Recent SEC filings for Arthur F. Ryan with direct links to document and filing folders.

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 May 2026
Reporting date: 01 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

OWNERSHIP DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 11 Feb 2026
Reporting date: 09 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 09 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 06 Jan 2026
Reporting date: 02 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 06 Jan 2025
Reporting date: 02 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Oct 2024
Reporting date: 01 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Sep 2024
Reporting date: 03 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Aug 2024
Reporting date: 01 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Aug 2024
Reporting date: 01 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 01 Aug 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Jul 2024
Reporting date: 01 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Jun 2024
Reporting date: 03 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 May 2024
Reporting date: 01 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 01 May 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Apr 2024
Reporting date: 01 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Mar 2024
Reporting date: 01 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Feb 2024
Reporting date: 01 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 01 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Jan 2024
Reporting date: 02 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Dec 2023
Reporting date: 01 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 08 Nov 2023
Reporting date: 07 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 07 Nov 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 06 Jul 2023
Reporting date: 03 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 03 Jul 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Apr 2023
Reporting date: 03 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Jan 2023
Reporting date: 03 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Dec 2022
Reporting date: 01 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Nov 2022
Reporting date: 01 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Oct 2022
Reporting date: 03 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 08 Sep 2022
Reporting date: 06 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 08 Aug 2022
Reporting date: 04 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Apr 2022
Reporting date: 01 Apr 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Mar 2022
Reporting date: 01 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Feb 2022
Reporting date: 01 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Jan 2022
Reporting date: 03 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Dec 2021
Reporting date: 01 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Nov 2021
Reporting date: 01 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Oct 2021
Reporting date: 01 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Aug 2021
Reporting date: 02 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Jul 2021
Reporting date: 01 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 16 Jun 2021
Reporting date: 14 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Feb 2021
Reporting date: 01 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Jan 2021
Reporting date: 04 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Dec 2020
Reporting date: 01 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Nov 2020
Reporting date: 02 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Oct 2020
Reporting date: 01 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Aug 2020
Reporting date: 03 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Jul 2020
Reporting date: 01 Jul 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 02 Jun 2020
Reporting date: 01 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 07 May 2020
Reporting date: 06 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 May 2020
Reporting date: 01 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 01 Apr 2020
Reporting date: 30 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 06 Jan 2020
Reporting date: 02 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 15 Feb 2019
Reporting date: 14 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Jan 2019
Reporting date: 02 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 16 Nov 2018
Reporting date: 14 Nov 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 16 Aug 2018
Reporting date: 15 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 17 May 2018
Reporting date: 16 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 27 Apr 2018
Reporting date: 26 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 16 Feb 2018
Reporting date: 15 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Jan 2018
Reporting date: 02 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 16 Nov 2017
Reporting date: 15 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 18 Aug 2017
Reporting date: 16 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 03 Aug 2017
Reporting date: 01 Aug 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 28 Apr 2017
Reporting date: 27 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Jan 2017
Reporting date: 03 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 16 Nov 2016
Reporting date: 15 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 25 May 2016
Reporting date: 24 May 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 29 Apr 2016
Reporting date: 28 Apr 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 001-36636

FORM 4

Filing date: 01 Oct 2015
Reporting date: 01 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 06 May 2015
Reporting date: 05 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 23 Feb 2015
Reporting date: 20 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 05 Jan 2015
Reporting date: 02 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36636

FORM 4

Filing date: 30 Sep 2014
Reporting date: 29 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36636

FORM 3

Filing date: 23 Sep 2014
Reporting date: 23 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Jan 2014
Reporting date: 02 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 26 Aug 2013
Reporting date: 22 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 001-35170

OWNERSHIP DOCUMENT

Filing date: 14 Jan 2013
Reporting date: 28 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 03 Jan 2013
Reporting date: 02 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 001-35170

OWNERSHIP DOCUMENT

Filing date: 03 Oct 2012
Reporting date: 01 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 14 Aug 2012
Reporting date: 10 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 13 Jan 2012
Reporting date: 12 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

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

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 16 Sep 2011
Reporting date: 14 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35170

3 filing

Filing date: 25 May 2011
Reporting date: 09 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 04 Jan 2011
Reporting date: 03 Jan 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 15 Jun 2010
Reporting date: 14 Jun 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19034

PRIMARY DOCUMENT

Filing date: 06 Jan 2010
Reporting date: 04 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Arthur F. Ryan files with the SEC under CIK 0001187443. 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.