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  • Insider Trading

Insider Transactions Reported by 19 Insiders of Mimecast Ltd

Location
London, United Kingdom

Quick Takeaways

  • Mimecast Ltd has 19 insiders with reported activity on this page.
  • No net insider buy/sell flow is currently reported for the last year.
  • Recent transaction rows are not currently available.

What Changed

  • No meaningful buy/sell imbalance is currently visible in the one-year window.
  • Activity will update as new Forms 3/4/5 are filed.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 17 Apr 2025.

Buys

$0

Shares: 0

Insiders: 0

Sells

$0

Shares: 0

Insiders: 0

Net

$0

Shares: 0

Insiders: 0

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Mimecast Ltd executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Dino DiMarino Chief Revenue Officer $1,409,091 Mixed 01 Oct 2021
John J. Walsh Jr. Sr. Vice Pres., Engineering $196,226 Mixed 21 May 2021
Robert Schechter Director Mixed 19 May 2022
Christopher FitzGerald Director Mixed 19 May 2022
Hagi Schwartz Director Mixed 19 May 2022
David Raissipour Chief Tech. & Product Officer Mixed 19 May 2022
Neil Murray Director Mixed 19 May 2022
Peter Bauer Chief Executive Officer, Director Mixed 19 May 2022
Rafeal E. Brown Chief Financial Officer Mixed 19 May 2022
Karen M. Anderson Chief Human Resources Officer Mixed 19 May 2022
Heather Bentley SVP, Customer Success & Supp. Mixed 19 May 2022
Shahriar Rafimayeri Chief Information Officer Mixed 19 May 2022
Robert P. Nault Sr. Vice President and GC Mixed 19 May 2022
Stephen M. Ward Director Mixed 19 May 2022
Potier Helene Auriol Director Mixed 19 May 2022
Alpna J. Doshi Director Mixed 19 May 2022
Michael Paisley Chief Security & Res. Officer Mixed 19 May 2022
Bernd Leger Chief Marketing Officer Mixed 19 May 2022
Aron J. Ain Director Mixed 19 May 2022

Top shareholders of Mimecast Ltd (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Dino DiMarino
3/4/5
Chief Revenue Officer —
mixed-class rows
17,714
mixed-class rows
 $1,409,091 — 01 Oct 2021
3/4/5
John J. Walsh Jr.
3/4/5
Sr. Vice Pres., Engineering —
mixed-class rows
83,967
mixed-class rows
 $196,226 — 21 May 2021
3/4/5

Recent Insider Transactions by Companies or Individuals for Mimecast Ltd

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* An asterisk sign (*) next to the price indicates that the price is likely invalid.