STEPHEN T. CHEN

Business address
1 Grove St, Unit 812007, Wellesley, MA, 02482-8201
Top holdings (ownership)
AIMD
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STEPHEN T. CHEN has filed 242 SEC EDGAR filings since 03 May 2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 27 Jun 2022 27 Jun 2022 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Oct 2020 09 Oct 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Oct 2020 08 Oct 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 08 Oct 2020 05 Oct 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Oct 2020 28 Sep 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Sep 2020 17 Sep 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Sep 2020 11 Sep 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 08 Sep 2020 27 Aug 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Aug 2020 24 Aug 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Aug 2020 10 Aug 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Aug 2020 30 Jul 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2020 01 Jul 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2020 25 Jun 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jun 2020 23 Jun 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 29 May 2020 26 May 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2020 14 May 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2020 15 May 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2020 13 May 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Apr 2020 23 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Apr 2020 21 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 17 Apr 2020 15 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2020 09 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Apr 2020 07 Apr 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2020 31 Mar 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Mar 2020 13 Mar 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2020 18 Mar 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Mar 2020 12 Mar 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Mar 2020 05 Mar 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Feb 2020 18 Feb 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2020 12 Feb 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Feb 2020 05 Feb 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Feb 2020 31 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jan 2020 27 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jan 2020 21 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jan 2020 09 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2020 03 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2020 02 Jan 2020 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 31 Dec 2019 31 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Dec 2019 27 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Dec 2019 20 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 18 Dec 2019 17 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2019 13 Dec 2019 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2019 09 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Dec 2019 09 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 05 Dec 2019 03 Dec 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Dec 2019 29 Nov 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Nov 2019 25 Nov 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Nov 2019 18 Nov 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Nov 2019 13 Nov 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Nov 2019 01 Nov 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 31 Oct 2019 31 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Oct 2019 24 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Oct 2019 18 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2019 14 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 Oct 2019 09 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Oct 2019 03 Oct 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Sep 2019 27 Sep 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2019 24 Sep 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 Sep 2019 13 Sep 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Sep 2019 10 Sep 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Sep 2019 06 Sep 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Sep 2019 30 Aug 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Aug 2019 26 Aug 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2019 16 Aug 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2019 02 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2019 07 Aug 2019 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2019 10 Jul 2019 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2019 10 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 05 Aug 2019 01 Aug 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jul 2019 25 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jul 2019 22 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jul 2019 17 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jul 2019 12 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Jul 2019 08 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jul 2019 02 Jul 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jul 2019 27 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jun 2019 24 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jun 2019 17 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2019 13 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2019 10 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2019 04 Jun 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2019 31 May 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 May 2019 06 May 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 May 2019 01 May 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2019 29 Apr 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Apr 2019 24 Apr 2019 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 23 Apr 2019 15 Apr 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Apr 2019 17 Apr 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2019 08 Apr 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 05 Apr 2019 03 Apr 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Apr 2019 29 Mar 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Mar 2019 21 Mar 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Mar 2019 08 Mar 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2019 04 Mar 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Feb 2019 21 Feb 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Feb 2019 15 Feb 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 Feb 2019 13 Feb 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2019 07 Feb 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Feb 2019 04 Feb 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Feb 2019 30 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jan 2019 28 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jan 2019 23 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jan 2019 15 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jan 2019 10 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Jan 2019 08 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jan 2019 07 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jan 2019 03 Jan 2019 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jan 2019 31 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Dec 2018 26 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 21 Dec 2018 19 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2018 13 Dec 2018 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 13 Dec 2018 07 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Dec 2018 07 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Dec 2018 04 Dec 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Dec 2018 28 Nov 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2018 01 Nov 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 31 Oct 2018 31 Oct 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2018 18 Sep 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Sep 2018 11 Sep 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Sep 2018 23 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 04 Sep 2018 29 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 27 Aug 2018 22 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Aug 2018 20 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Aug 2018 10 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2018 07 Aug 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2018 30 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jul 2018 26 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jul 2018 24 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jul 2018 20 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jul 2018 13 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jul 2018 11 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jul 2018 06 Jul 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jul 2018 29 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jun 2018 27 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jun 2018 25 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Jun 2018 21 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Jun 2018 22 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jun 2018 15 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jun 2018 13 Jun 2018 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2018 04 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2018 08 Jun 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2018 04 Jun 2018 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2018 09 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jun 2018 31 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 May 2018 24 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2018 21 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2018 17 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 May 2018 14 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 May 2018 09 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2018 04 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 May 2018 01 May 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2018 27 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Apr 2018 24 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 23 Apr 2018 19 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 18 Apr 2018 13 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2018 09 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Apr 2018 04 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Apr 2018 02 Apr 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Mar 2018 28 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Mar 2018 26 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Mar 2018 23 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Mar 2018 19 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Mar 2018 14 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 13 Mar 2018 12 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2018 08 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Mar 2018 05 Mar 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Mar 2018 27 Feb 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Feb 2018 22 Feb 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Feb 2018 31 Jan 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jan 2018 18 Jan 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jan 2018 09 Jan 2018 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Nov 2017 11 Sep 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Nov 2017 26 Oct 2017 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 02 Nov 2017 01 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 18 Oct 2017 16 Oct 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Sep 2017 25 Sep 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2017 18 Sep 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 14 Sep 2017 13 Sep 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2017 05 Sep 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 31 Aug 2017 30 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Aug 2017 24 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Aug 2017 18 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2017 11 Aug 2017 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2017 01 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 08 Aug 2017 01 Aug 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 25 Jul 2017 24 Jul 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jul 2017 11 Jul 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jul 2017 05 Jul 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jun 2017 27 Jun 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jun 2017 22 Jun 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jun 2017 19 Jun 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jun 2017 19 Jun 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jun 2017 12 Jun 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jun 2017 08 Jun 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2017 06 Jun 2017 000-20791
4/A Open Document Open Filing PRIMARY DOCUMENT 06 Jun 2017 31 May 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2017 31 May 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2017 19 May 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 12 May 2017 11 May 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 27 Apr 2017 25 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Apr 2017 19 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 17 Apr 2017 14 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2017 07 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 07 Apr 2017 05 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Apr 2017 05 Apr 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 03 Apr 2017 30 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Mar 2017 22 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 21 Mar 2017 20 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 Mar 2017 15 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 10 Mar 2017 09 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 06 Mar 2017 06 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 02 Mar 2017 02 Mar 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 01 Mar 2017 27 Feb 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2017 21 Feb 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 Feb 2017 14 Feb 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jan 2017 18 Jan 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jan 2017 20 Jan 2017 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 29 Nov 2016 23 Nov 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 09 Sep 2016 07 Sep 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Aug 2016 26 Aug 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Aug 2016 19 Aug 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 16 Aug 2016 15 Aug 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2016 27 Jul 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 May 2016 10 May 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2016 13 Apr 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 30 Mar 2016 28 Mar 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 24 Mar 2016 22 Mar 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 11 Mar 2016 11 Mar 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2016 25 Feb 2016 000-20791
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2015 17 Dec 2015 000-20791