Richard S. Langdon SEC EDGAR Filings (CIK 0001226760)

SEC EDGAR filings, ownership reports, and insider transactions for Richard S. Langdon.

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Richard S. Langdon has filed 35 SEC EDGAR filings since 11 Apr 2003

Latest Filings

Recent SEC filings for Richard S. Langdon including 4, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2024 16 Feb 2024 001-33147
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 27 Dec 2019 01 Jan 2017 000-51638
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2019 01 Apr 2019 001-33147
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2018 02 Apr 2018 001-33147
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2017 03 Apr 2017 001-33147
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Apr 2016 20 Apr 2016 001-33147
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2015 31 Mar 2015 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Mar 2015 06 Mar 2015 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 May 2014 06 May 2014 001-33147
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 04 Apr 2014 27 Mar 2014 000-51638
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2012 28 Feb 2012 001-32369
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2011 11 May 2011 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2011 01 Mar 2011 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 23 Aug 2010 19 Aug 2010 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2010 16 Aug 2010 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2010 11 Aug 2010 001-33147
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2010 29 Jun 2010 001-32369
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2010 01 Mar 2010 001-33147

About this filer

Richard S. Langdon files with the SEC under CIK 0001226760. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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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