Mark Kuperschmid SEC EDGAR Filings (CIK 0001688208)

SEC EDGAR filings, ownership reports, and insider transactions for Mark Kuperschmid.

Business address
Mast Capital Management, Llc, 200 Clarendon Street, 51 St Floor, Boston, MA, 02116
Top holdings (ownership)
GECC
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Mark Kuperschmid has filed 19 SEC EDGAR filings since 09 Dec 2016

Latest Filings

Recent SEC filings for Mark Kuperschmid including 4, 4/A, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 16 May 2023 12 May 2023 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2022 15 Jun 2022 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Jan 2021 21 Jan 2021 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Dec 2020 21 Dec 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Nov 2020 20 Nov 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Oct 2020 21 Oct 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Oct 2020 28 Sep 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2020 21 Sep 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Aug 2020 21 Aug 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2020 15 Jul 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jun 2020 15 Jun 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 May 2020 15 May 2020 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2018 03 Dec 2018 814-01211
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 04 Dec 2018 29 Nov 2018 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Dec 2018 29 Nov 2018 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Nov 2018 19 Nov 2018 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2018 29 May 2018 814-01211
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Nov 2017 10 Nov 2017 814-01211
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Dec 2016 03 Nov 2016 814-01211

About this filer

Mark Kuperschmid files with the SEC under CIK 0001688208. 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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