MARGARET K. SEIF SEC EDGAR Filings (CIK 0001206591)

SEC EDGAR filings, ownership reports, and insider transactions for MARGARET K. SEIF.

Business address
C/O Kopin Corporation,, 125 North Drive, Westborough, MA, 01581
Top holdings (ownership)
KOPN
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MARGARET K. SEIF has filed 109 SEC EDGAR filings since 01 May 2003

Latest Filings

Recent SEC filings for MARGARET K. SEIF 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 27 Jun 2025 26 Jun 2025 000-19882
4 Open 4 document View SEC filing for 4 03 Sep 2024 06 Jun 2024 000-19882
3 Open 3 document View SEC filing for 3 03 Sep 2024 06 Jun 2024 000-19882
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2019 29 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 26 Mar 2019 23 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2019 13 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2019 11 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2019 09 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 26 Feb 2019 25 Feb 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2019 22 Feb 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 05 Feb 2019 04 Feb 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 14 Jan 2019 11 Jan 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2018 03 Dec 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 09 Nov 2018 08 Nov 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2018 01 Oct 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2018 17 Sep 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2018 04 Sep 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Jun 2018 05 Jun 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 09 May 2018 07 May 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 09 Apr 2018 05 Apr 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2018 29 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 27 Mar 2018 25 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2018 12 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2018 11 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2018 05 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2018 05 Feb 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2018 05 Jan 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2017 05 Dec 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 29 Nov 2017 28 Nov 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 28 Nov 2017 27 Nov 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2017 21 Aug 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 21 Jul 2017 20 Jul 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 21 Jun 2017 20 Jun 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2017 22 May 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 24 Apr 2017 20 Apr 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 29 Mar 2017 27 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 27 Mar 2017 26 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 21 Mar 2017 17 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2017 13 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2017 12 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2017 08 Mar 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 22 Feb 2017 21 Feb 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2017 20 Jan 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2016 13 Dec 2016 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2016 19 Aug 2016 001-07819
4 Open 4 document View SEC filing for 4 05 Apr 2016 04 Apr 2016 001-07819
4 Open 4 document View SEC filing for 4 15 Mar 2016 12 Mar 2016 001-07819
4 Open 4 document View SEC filing for 4 11 Mar 2016 09 Mar 2016 001-07819
4 Open 4 document View SEC filing for 4 15 Jun 2015 12 Jun 2015 001-07819
4 Open 4 document View SEC filing for 4 13 May 2015 12 May 2015 001-07819
4 Open 4 document View SEC filing for 4 14 Apr 2015 13 Apr 2015 001-07819
4 Open 4 document View SEC filing for 4 17 Mar 2015 15 Mar 2015 001-07819
4 Open 4 document View SEC filing for 4 13 Mar 2015 11 Mar 2015 001-07819
4 Open 4 document View SEC filing for 4 13 Feb 2015 12 Feb 2015 001-07819
4 Open 4 document View SEC filing for 4 13 Jan 2015 12 Jan 2015 001-07819
4 Open 4 document View SEC filing for 4 22 Dec 2014 19 Dec 2014 001-07819
4 Open 4 document View SEC filing for 4 02 Dec 2014 01 Dec 2014 001-07819
4 Open 4 document View SEC filing for 4 16 Jul 2014 15 Jul 2014 001-07819
4 Open 4 document View SEC filing for 4 17 Jun 2014 16 Jun 2014 001-07819
4 Open 4 document View SEC filing for 4 16 May 2014 15 May 2014 001-07819
4 Open 4 document View SEC filing for 4 16 Apr 2014 15 Apr 2014 001-07819
4 Open 4 document View SEC filing for 4 18 Mar 2014 17 Mar 2014 001-07819
4 Open 4 document View SEC filing for 4 14 Mar 2014 12 Mar 2014 001-07819
4 Open 4 document View SEC filing for 4 20 Feb 2014 18 Feb 2014 001-07819
4 Open 4 document View SEC filing for 4 17 Jan 2014 15 Jan 2014 001-07819
4 Open 4 document View SEC filing for 4 07 Jan 2014 04 Jan 2014 001-07819
4 Open 4 document View SEC filing for 4 17 Dec 2013 16 Dec 2013 001-07819
4 Open 4 document View SEC filing for 4 04 Dec 2013 03 Dec 2013 001-07819
4 Open 4 document View SEC filing for 4 27 Aug 2013 23 Aug 2013 001-07819
4 Open 4 document View SEC filing for 4 05 Jun 2013 04 Jun 2013 001-07819
4 Open 4 document View SEC filing for 4 03 Jun 2013 31 May 2013 001-07819
4 Open 4 document View SEC filing for 4 14 Mar 2013 12 Mar 2013 001-07819
4 Open 4 document View SEC filing for 4 07 Mar 2013 06 Mar 2013 001-07819
4 Open 4 document View SEC filing for 4 25 Feb 2013 22 Feb 2013 001-07819
4 Open 4 document View SEC filing for 4 08 Jan 2013 05 Jan 2013 001-07819
4 Open 4 document View SEC filing for 4 12 Dec 2012 11 Dec 2012 001-07819
4 Open 4 document View SEC filing for 4 03 Dec 2012 30 Nov 2012 001-07819
4 Open 4 document View SEC filing for 4 27 Aug 2012 24 Aug 2012 001-07819
4 Open 4 document View SEC filing for 4 22 Mar 2012 20 Mar 2012 001-07819
4 Open 4 document View SEC filing for 4 19 Mar 2012 15 Mar 2012 001-07819
4 Open 4 document View SEC filing for 4 02 Mar 2012 29 Feb 2012 001-07819
4 Open 4 document View SEC filing for 4 29 Feb 2012 27 Feb 2012 001-07819
4 Open 4 document View SEC filing for 4 24 May 2011 20 May 2011 001-07819
4 Open 4 document View SEC filing for 4 28 Feb 2011 25 Feb 2011 001-07819
4 Open 4 document View SEC filing for 4 23 Feb 2011 18 Feb 2011 001-07819
4 Open 4 document View SEC filing for 4 06 Jan 2011 04 Jan 2011 001-07819
4 Open 4 document View SEC filing for 4 07 Dec 2010 03 Dec 2010 001-07819
4 Open 4 document View SEC filing for 4 30 Nov 2010 29 Nov 2010 001-07819
4 Open 4 document View SEC filing for 4 07 Jan 2010 05 Jan 2010 001-07819

About this filer

MARGARET K. SEIF files with the SEC under CIK 0001206591. 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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