Filer Snapshot

George L. Sing SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001225471.

Entity Type

Individual

Total Filings

70

Latest Filing

06 Jan 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 Jan 2026 for CIK 0001225471.

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

Quick Takeaways

  • George L. Sing is an SEC filer tracked under CIK 0001225471.
  • 70 filings are listed on this profile.
  • Common form coverage includes 4, 144.

What Changed

  • Latest filing: 4 filed on 06 Jan 2026.
  • Report period: 02 Jan 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 Jan 2026 for CIK 0001225471.

View Source Filing

Return Loop

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A newly filed 4 can change the filing history, ownership context, or next research path for George L. Sing.

Latest source-backed update
4 filed 06 Jan 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 06 Jan 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for George L. Sing

Ownership report updated

Latest ownership report period: 02 Jan 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

06 Jan 2026

Page type

Ownership filings

Latest period

02 Jan 2026

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

Open ownership filings Browse recent public updates

Filer Overview

George L. Sing has filed 70 SEC EDGAR filings since 06 Jan 2004. Common forms include 4, 144.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for George L. Sing with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2026 02 Jan 2026 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Dec 2025 30 Dec 2025 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 31 Dec 2024 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2024 04 Sep 2024 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2024 03 May 2024 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2024 26 Feb 2024 000-19034
144 Open 144 document View SEC filing for 144 26 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2024 22 Feb 2024 000-19034
144 Open 144 document View SEC filing for 144 23 Feb 2024
144 Open 144 document View SEC filing for 144 22 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Feb 2024 08 Feb 2024 000-19034
144 Open 144 document View SEC filing for 144 09 Feb 2024
144 Open 144 document View SEC filing for 144 08 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2024 02 Jan 2024 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2023 03 Jan 2023 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2022 25 Feb 2022 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2022 03 Jan 2022 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2021 19 Nov 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2021 16 Nov 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2021 26 Aug 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2021 16 Aug 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Aug 2021 11 Aug 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Aug 2021 06 Aug 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2021 04 Jan 2021 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Aug 2020 31 Aug 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Aug 2020 25 Aug 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2020 20 Aug 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2020 20 Aug 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Jul 2020 07 Jul 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jun 2020 29 Jun 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2020 28 May 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2020 11 May 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2020 26 Feb 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2020 02 Jan 2020 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2019 02 Jan 2019 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2018 09 May 2018 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2018 02 Jan 2018 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2017 03 Jan 2017 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2016 04 Jan 2016 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2015 18 Nov 2015 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2015 27 May 2015 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Feb 2015 20 Feb 2015 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2015 02 Jan 2015 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Feb 2014 21 Feb 2014 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Feb 2014 14 Feb 2014 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2014 02 Jan 2014 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Nov 2013 26 Nov 2013 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2013 10 May 2013 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2013 02 Jan 2013 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Nov 2012 29 Nov 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2012 16 Nov 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2012 13 Nov 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Aug 2012 22 Aug 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jul 2012 26 Jul 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2012 30 May 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2012 03 Jan 2012 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2011 22 Nov 2011 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2011 03 Jan 2011 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jun 2010 09 Jun 2010 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2010 18 May 2010 000-19034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2010 04 Jan 2010 000-19034

About this filer

George L. Sing files with the SEC under CIK 0001225471. 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.
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