Filer Snapshot

Mimecast Ltd SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001644675.

Entity Type

Company

Total Filings

574

Latest Filing

31 May 2022

Industry

Services Prepackaged Software

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Source: SEC Forms 3/4/5

4/A filed on 31 May 2022 for CIK 0001644675.

View Source Filing
Industry
Services Prepackaged Software (Office Of Technology)
Business address
1 Finsbury Avenue, London, United Kingdom, EC2M 2PF
State of incorporation
United Kingdom
Fiscal year end
31 March

Quick Takeaways

  • Mimecast Ltd is an SEC filer tracked under CIK 0001644675.
  • 574 filings are listed on this profile.
  • Common form coverage includes 4/A, 15-12B, 4 and more.

What Changed

  • Latest filing: 4/A filed on 31 May 2022.
  • Report period: 19 May 2022.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4/A filed on 31 May 2022 for CIK 0001644675.

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A newly filed 4/A can change the filing history, ownership context, or next research path for Mimecast Ltd.

Latest source-backed update
4/A filed 31 May 2022
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  • Latest filing on record: 4/A filed 31 May 2022.
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Filer Overview

Mimecast Ltd has filed 574 SEC EDGAR filings since 16 Jun 2015. Common forms include 4/A, 15-12B, 4, 8-K and more.

Services Prepackaged Software Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for Mimecast Ltd with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 31 May 2022 19 May 2022
15-12B Open 15-12B document View SEC filing for 15-12B 15-12B 31 May 2022 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 May 2022 19 May 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 May 2022 19 May 2022 001-37637
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 23 May 2022 333-238622
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 20 May 2022 333-231792
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 20 May 2022 333-256552
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 20 May 2022 333-225260
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 20 May 2022 333-208384
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 20 May 2022 333-218286
25-NSE Open 25-NSE document View SEC filing for 25-NSE 19 May 2022 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 May 2022 06 May 2022 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Apr 2022 21 Apr 2022 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 28 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 04 Apr 2022 31 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Apr 2022 31 Mar 2022 001-37637
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 21 Mar 2022 11 Mar 2022 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Mar 2022 11 Mar 2022 001-37637
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 03 Mar 2022 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Mar 2022 03 Mar 2022 001-37637
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-89285
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 09 Feb 2022 001-37637
DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 09 Feb 2022 001-37637
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 04 Feb 2022 005-89285
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Feb 2022 31 Dec 2021 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Feb 2022 03 Feb 2022 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2022 01 Feb 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 28 Jan 2022 005-89285
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 27 Jan 2022 005-89285
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 26 Jan 2022 005-89285
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 21 Jan 2022 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Jan 2022 20 Jan 2022 001-37637
PREM14A Open PREM14A document View SEC filing for PREM14A PRELIMINARY PROXY STATEMENT 13 Jan 2022 12 Jan 2022 001-37637
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Dec 2021 001-37637
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Dec 2021 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Dec 2021 07 Dec 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2021 01 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Nov 2021 19 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2021 05 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Nov 2021 01 Nov 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2021 30 Sep 2021 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Nov 2021 02 Nov 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Oct 2021 19 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Oct 2021 15 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 07 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2021 06 Oct 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Oct 2021 06 Oct 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 01 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 01 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 01 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 01 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Sep 2021 20 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Sep 2021 15 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Sep 2021 14 Sep 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Sep 2021 005-89285
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Sep 2021 07 Sep 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Sep 2021 31 Aug 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2021 19 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Aug 2021 16 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Aug 2021 16 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Aug 2021 10 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Aug 2021 09 Aug 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2021 30 Jun 2021 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2021 03 Aug 2021 001-37637
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 26 Jul 2021 06 Oct 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jul 2021 19 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jul 2021 15 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jul 2021 07 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2021 01 Jul 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Jul 2021 28 Jun 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Jun 2021 22 Jun 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2021 15 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2021 14 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2021 15 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2021 10 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jun 2021 09 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2021 07 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2021 01 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2021 28 May 2021
S-8 Open S-8 document View SEC filing for S-8 S-8 27 May 2021 333-256552
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 27 May 2021 31 Mar 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2021 21 May 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 May 2021 17 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 May 2021 19 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 May 2021 17 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 May 2021 17 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 May 2021 14 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 May 2021 07 May 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2021 06 May 2021 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2021 11 May 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 May 2021 03 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 May 2021 01 May 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2021 26 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2021 26 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2021 26 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Apr 2021 19 Apr 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Apr 2021 005-89285
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2021 07 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Apr 2021 05 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2021 01 Apr 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Apr 2021 31 Mar 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Mar 2021 19 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2021 15 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2021 15 Mar 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Mar 2021 16 Mar 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Mar 2021 08 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Feb 2021 19 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Feb 2021 19 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Feb 2021 16 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Feb 2021 16 Feb 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WRMIME13G_A2 12 Feb 2021 005-89285
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Feb 2021 005-89285
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2021 08 Feb 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G-A FOR MIMECAST LIMITED BY ABDIEL QUALIFIED MASTER FUND, LP 04 Feb 2021 005-89285
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2021 01 Feb 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Feb 2021 31 Dec 2020 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Feb 2021 28 Jan 2021 001-37637
SC 13G Open SC 13G document View SEC filing for SC 13G 02 Feb 2021 005-89285
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Jan 2021 26 Jan 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 15 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 19 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 15 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 15 Jan 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jan 2021 12 Jan 2021 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jan 2021 07 Jan 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 11 Jan 2021 005-89285
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2021 04 Jan 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 04 Jan 2021 01 Jan 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Dec 2020 23 Dec 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Dec 2020 22 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Dec 2020 21 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2020 18 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2020 18 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Dec 2020 15 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Dec 2020 15 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Dec 2020 14 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Dec 2020 07 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2020 03 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2020 01 Dec 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2020 30 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Nov 2020 19 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Nov 2020 18 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2020 16 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2020 16 Nov 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2020 30 Sep 2020 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Nov 2020 02 Nov 2020 001-37637
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 28 Oct 2020 01 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Oct 2020 19 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Oct 2020 16 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Oct 2020 15 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2020 08 Oct 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Oct 2020 07 Oct 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Oct 2020 06 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2020 01 Oct 2020
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Sep 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Sep 2020 21 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Sep 2020 21 Sep 2020
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 18 Sep 2020 02 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2020 15 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2020 14 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2020 15 Sep 2020
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 17 Sep 2020 01 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Sep 2020 02 Sep 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2020 31 Aug 2020 001-37637
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Sep 2020 01 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Sep 2020 01 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Sep 2020 01 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Aug 2020 19 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2020 17 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2020 17 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Aug 2020 11 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Aug 2020 07 Aug 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2020 30 Jun 2020 001-37637
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2020 03 Aug 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Jul 2020 29 Jul 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jul 2020 30 Jul 2020 001-37637
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 24 Jul 2020 08 Oct 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jul 2020 20 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2020 15 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jul 2020 09 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jul 2020 09 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jul 2020 09 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jun 2020 19 Jun 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jun 2020 15 Jun 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jun 2020 03 Jun 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2020 01 Jun 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2020 01 Jun 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2020 01 Jun 2020
S-8 Open S-8 document View SEC filing for S-8 S-8 22 May 2020 333-238622
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 22 May 2020 31 Mar 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 May 2020 19 May 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 May 2020 19 May 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 May 2020 06 Apr 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2020 11 May 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 May 2020 01 May 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Apr 2020 27 Apr 2020 001-37637
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Apr 2020 20 Apr 2020
EFFECT Open EFFECT document View SEC filing for EFFECT 16 Apr 2020 333-215642
POS AM Open POS AM document View SEC filing for POS AM POS AM 14 Apr 2020 333-215642
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 01 Apr 2020
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2019 30 Jun 2019 001-37637
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Feb 2019 31 Dec 2018 001-37637
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 20180930 08 Nov 2018 30 Sep 2018 001-37637
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2018 30 Jun 2018 001-37637
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DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 27 Jul 2018 04 Oct 2018 001-37637
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8-K Open 8-K document View SEC filing for 8-K 8-K 24 Jul 2018 23 Jul 2018 001-37637
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S-8 Open S-8 document View SEC filing for S-8 FORM S-8 29 May 2018 333-225260
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8-K Open 8-K document View SEC filing for 8-K FORM 8-K 02 Apr 2018 31 Mar 2018 001-37637
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6-K Open 6-K document View SEC filing for 6-K 6-K 18 Dec 2017 18 Dec 2017 001-37637
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6-K Open 6-K document View SEC filing for 6-K 6-K 08 Nov 2017 30 Sep 2017 001-37637
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6-K Open 6-K document View SEC filing for 6-K FORM 6-K 07 Jul 2017 07 Jul 2017 001-37637
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 26 May 2017 005-89285
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6-K Open 6-K document View SEC filing for 6-K 6-K 09 May 2017 31 Mar 2017 001-37637
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EFFECT Open EFFECT document View SEC filing for EFFECT 14 Mar 2017 333-215642
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6-K Open 6-K document | Open XBRL data View SEC filing for 6-K 6-K 09 Feb 2017 31 Dec 2016 001-37637
6-K Open 6-K document View SEC filing for 6-K 6-K 09 Feb 2017 31 Dec 2016 001-37637
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 08 Feb 2017 005-89285
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F-3 Open F-3 document View SEC filing for F-3 F-3 20 Jan 2017 333-215642
6-K Open 6-K document View SEC filing for 6-K 6-K 23 Nov 2016 23 Nov 2016 001-37637
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K 6-K 09 Nov 2016 30 Sep 2016 001-37637
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 09 Nov 2016 30 Sep 2016 001-37637
6-K Open 6-K document View SEC filing for 6-K 6-K 20 Oct 2016 20 Oct 2016 001-37637
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 19 Oct 2016 005-89285
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6-K Open 6-K document View SEC filing for 6-K 6-K 29 Sep 2016 29 Sep 2016 001-37637
424B4 Open 424B4 document View SEC filing for 424B4 424B4 29 Sep 2016 333-213598
EFFECT Open EFFECT document View SEC filing for EFFECT 28 Sep 2016 333-213598
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Sep 2016
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F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 26 Sep 2016 333-213598
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F-1 Open F-1 document | Open XBRL data View SEC filing for F-1 F-1 12 Sep 2016 333-213598
6-K Open 6-K document | Open XBRL data View SEC filing for 6-K FORM 6-K 08 Aug 2016 30 Jun 2016 001-37637
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SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 07 Jun 2016 005-89285
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20-F Open 20-F document | Open XBRL data View SEC filing for 20-F 20-F 25 May 2016 31 Mar 2016 001-37637
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SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 25 Feb 2016 005-89285
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6-K Open 6-K document View SEC filing for 6-K FORM 6-K 11 Feb 2016 31 Dec 2015 001-37637
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SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 01 Feb 2016 005-89285
S-8 Open S-8 document View SEC filing for S-8 S-8 08 Dec 2015 333-208384
424B4 Open 424B4 document View SEC filing for 424B4 424B4 19 Nov 2015 333-207454
EFFECT Open EFFECT document View SEC filing for EFFECT 18 Nov 2015 333-207454
CERTNAS Open CERTNAS document View SEC filing for CERTNAS AUTO-GENERATED PAPER DOCUMENT 18 Nov 2015 001-37637
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Nov 2015
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8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A 16 Nov 2015 001-37637
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 13 Nov 2015 333-207454
F-1/A Open F-1/A document View SEC filing for F-1/A F-1/A 06 Nov 2015 333-207454
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Nov 2015
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 Nov 2015
CORRESP Open CORRESP document View SEC filing for CORRESP 29 Oct 2015
F-1 Open F-1 document View SEC filing for F-1 F-1 16 Oct 2015 333-207454
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Sep 2015
DRS/A Open DRS/A document View SEC filing for DRS/A 01 Sep 2015 377-01041
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Aug 2015
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Aug 2015
DRS/A Open DRS/A document View SEC filing for DRS/A 18 Aug 2015 377-01041
DRS/A Open DRS/A document View SEC filing for DRS/A 21 Jul 2015 377-01041
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Jul 2015
DRS Open DRS document View SEC filing for DRS 16 Jun 2015 377-01041

About this filer

Mimecast Ltd files with the SEC under CIK 0001644675. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Prepackaged Software.

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.