John Langton Sennott Jr. SEC EDGAR Filings (CIK 0001362376)

SEC EDGAR filings, ownership reports, and insider transactions for John Langton Sennott Jr..

Business address
C/O Alleghany Corporation, 1411 Broadway, 34 Th Floor, New York, NY, 10018
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John Langton Sennott Jr. has filed 55 SEC EDGAR filings since 18 May 2006

Latest Filings

Recent SEC filings for John Langton Sennott Jr. including 4, 3, 4/A.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Jun 2025 11 Jun 2025 001-42695
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 11 Jun 2025 11 Jun 2025 001-42695
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2019 30 Jun 2019 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2019 15 Jan 2019 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Feb 2019 03 Feb 2019 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2019 31 Dec 2018 001-09371
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Oct 2018 30 Sep 2018 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2018 30 Jun 2018 001-09371
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Apr 2018 30 Mar 2018 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2018 26 Feb 2018 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Jan 2018 26 Jan 2018 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Jan 2018 21 Jan 2018 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2018 29 Dec 2017 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2017 29 Sep 2017 001-09371
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jul 2017 30 Jun 2017 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2017 31 Mar 2017 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2017 27 Feb 2017 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Jan 2017 19 Jan 2016 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2017 30 Dec 2016 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2016 30 Sep 2016 001-09371
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Jul 2016 30 Jun 2016 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2016 31 Mar 2016 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Feb 2016 26 Feb 2016 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2016 31 Dec 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Oct 2015 30 Sep 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2015 30 Jun 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Apr 2015 31 Mar 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2015 24 Feb 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Feb 2015 03 Feb 2015 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2015 31 Dec 2014 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2014 30 Sep 2014 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jul 2014 30 Jun 2014 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2014 31 Mar 2014 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2014 30 Jun 2013 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2014 15 Jan 2014 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2013 03 Jun 2013 001-09371
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2013 09 May 2013 001-09371
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 26 Apr 2013 16 Apr 2013 001-09371
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Feb 2012 26 Feb 2012 001-32938
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 27 Feb 2012 22 Feb 2012 001-32938
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Feb 2012 22 Feb 2012 001-32938
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2011 26 Feb 2011 001-32938
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2011 22 Feb 2011 001-32938
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2010 26 Feb 2010 001-32938
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Feb 2010 22 Feb 2010 001-32938

About this filer

John Langton Sennott Jr. files with the SEC under CIK 0001362376. 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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