# Mimecast Limited (MIME)

Source: https://www.quantisnow.com/company/MIME
Generated: 2026-11-09T18:09:21.549Z

- Ticker: MIME
- Exchange: NASDAQ
- Sector: Technology
- Industry: Computer Software: Prepackaged Software
- IPO year: 2015
- Website: mimecast.com

## About

Mimecast Limited provides cloud security and risk management services for corporate information and email. The company offers Mimecast Email Security solution, which protects against the delivery of malware, malicious URLs and attachments, spam, viruses, impersonation attacks, phishing, and spear-phishing attacks, including business email compromise, identity theft, extortion, fraud, and other attacks, while also preventing data leaks and other internal threats, as well as provides awareness training services. It also provides Cyber Resilience Extensions, such as Mimecast Enterprise Information Archiving that unifies email data to support e-discovery, forensic analysis, and compliance initiatives; Mimecast Business Continuity and Sync & Recover, which protects email and data against the threat of downtime as a result of system failure, natural disasters, planned maintenance, system upgrades, and migrations; and Mimecast Web Security service that protects against malicious web activity initiated by user action or malware and blocks access to inappropriate websites based on acceptable use policies. In addition, the company's Cyber Resilience Extensions also comprise Mimecast Secure Messaging, a secure and private channel to share sensitive information; Mimecast Health Care Pack, which prevents breaches and protects against data exfiltration transmissions; and Mimecast Large File Send that enables employees to create security and compliance risks when they turn to file sharing services. Further, it offers Threat Intelligence Dashboard, which displays cyber threat data specific to an organization by identifying users who pose the greatest cyber risk; and Mimecast Mobile and Desktop Apps for mobile, PC, and Mac users, as well as engages in data center operations. The company sells its services through direct sales and channel partners. Mimecast Limited was founded in 2003 and is headquartered in London, the United Kingdom.

## Latest MIME news and filings

- 2025-05-19 13:01 UTC [Aware Taps Proven Cybersecurity Leader Lona Therrien to Boost Brand as Chief Marketing Officer](https://www.quantisnow.com/insight/aware-taps-proven-cybersecurity-leader-lona-therrien-to-boost-brand-6047091)
- 2022-05-31 22:56 UTC [SEC Form 4] [SEC Form 4: Bauer Peter returned 2,887,177 units of Ordinary Shares to the company and returned 4,500 units of Restricted Share Units to the company, closing all direct ownership in the company to cover taxes (Amendment)](https://www.quantisnow.com/insight/sec-form-4-bauer-peter-returned-2887177-units-of-ordinary-2969280)
- 2022-05-31 10:06 UTC [SEC Form 15-12B] [SEC Form 15-12B filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-15-12b-filed-by-mimecast-limited-2962724)
- 2022-05-23 21:08 UTC [SEC Form 4] [SEC Form 4: Paisley Michael returned 4,307 units of Ordinary Shares to the company and returned 23,229 units of Restricted Share Units to the company, closing all direct ownership in the company (tax liability)](https://www.quantisnow.com/insight/sec-form-4-paisley-michael-returned-4307-units-of-ordinary-2930788)
- 2022-05-23 21:06 UTC [SEC Form 4] [SEC Form 4: Schwartz Hagi returned 36,735 units of Ordinary Shares to the company and returned 2,742 units of Restricted Share Units to the company, closing all direct ownership in the company (for tax liability)](https://www.quantisnow.com/insight/sec-form-4-schwartz-hagi-returned-36735-units-of-ordinary-2930759)
- 2022-05-23 21:05 UTC [SEC Form 4] [SEC Form 4: Murray Neil returned 699,315 units of Ordinary Shares to the company and returned 2,742 units of Restricted Share Units to the company, closing all direct ownership in the company (tax withholding)](https://www.quantisnow.com/insight/sec-form-4-murray-neil-returned-699315-units-of-ordinary-2930741)
- 2022-05-23 21:04 UTC [SEC Form 4] [SEC Form 4: Anderson Karen M. returned 8,649 units of Ordinary Shares to the company and returned 31,196 units of Restricted Share Units to the company, closing all direct ownership in the company to satisfy tax liability](https://www.quantisnow.com/insight/sec-form-4-anderson-karen-m-returned-8649-units-of-2930738)
- 2022-05-23 21:03 UTC [SEC Form 4] [SEC Form 4: Nault Robert P returned 16,795 units of Ordinary Shares to the company and returned 28,821 units of Restricted Share Units to the company, closing all direct ownership in the company to cover taxes](https://www.quantisnow.com/insight/sec-form-4-nault-robert-p-returned-16795-units-of-2930713)
- 2022-05-23 21:02 UTC [SEC Form 4] [SEC Form 4: Bentley Heather returned 9,435 units of Ordinary Shares to the company and returned 33,327 units of Restricted Share Units to the company, closing all direct ownership in the company to cover withholding tax](https://www.quantisnow.com/insight/sec-form-4-bentley-heather-returned-9435-units-of-ordinary-2930706)
- 2022-05-23 21:02 UTC [SEC Form 4] [SEC Form 4: Auriol Potier Helene returned 5,209 units of Restricted Share Units to the company and returned 1,233 units of Ordinary Shares to the company, closing all direct ownership in the company (withholding tax)](https://www.quantisnow.com/insight/sec-form-4-auriol-potier-helene-returned-5209-units-of-2930705)
- 2022-05-23 21:02 UTC [SEC Form 4] [SEC Form 4: Bauer Peter returned 2,887,177 units of Ordinary Shares to the company and returned 4,500 units of Restricted Share Units to the company, closing all direct ownership in the company to satisfy withholding tax](https://www.quantisnow.com/insight/sec-form-4-bauer-peter-returned-2887177-units-of-ordinary-2930704)
- 2022-05-23 21:02 UTC [SEC Form 4] [SEC Form 4: Brown Rafeal E. returned 42,742 units of Ordinary Shares to the company and returned 59,103 units of Restricted Share Units to the company, closing all direct ownership in the company (withholding obligation)](https://www.quantisnow.com/insight/sec-form-4-brown-rafeal-e-returned-42742-units-of-2930703)
- 2022-05-23 21:01 UTC [SEC Form 4] [SEC Form 4: Schechter Robert returned 12,214 units of Ordinary Shares to the company and returned 2,742 units of Restricted Share Units to the company, closing all direct ownership in the company (tax withholding)](https://www.quantisnow.com/insight/sec-form-4-schechter-robert-returned-12214-units-of-ordinary-2930692)
- 2022-05-23 21:01 UTC [SEC Form 4] [SEC Form 4: Raissipour David returned 69,500 units of Restricted Share Units to the company, closing all direct ownership in the company (tax liability)](https://www.quantisnow.com/insight/sec-form-4-raissipour-david-returned-69500-units-of-restricted-2930684)
- 2022-05-23 20:58 UTC [SEC Form 4] [SEC Form 4: Fitzgerald Christopher returned 85,692 units of Ordinary Shares to the company and returned 2,742 units of Restricted Share Units to the company, closing all direct ownership in the company to satisfy withholding tax](https://www.quantisnow.com/insight/sec-form-4-fitzgerald-christopher-returned-85692-units-of-ordinary-2930595)
- 2022-05-23 20:58 UTC [SEC Form 4] [SEC Form 4: Leger Bernd returned 33,260 units of Restricted Share Units to the company, closing all direct ownership in the company (tax liability)](https://www.quantisnow.com/insight/sec-form-4-leger-bernd-returned-33260-units-of-restricted-2930593)
- 2022-05-23 20:57 UTC [SEC Form 4] [SEC Form 4: Ward Stephen M returned 18,955 units of Ordinary Shares to the company and returned 2,742 units of Restricted Share Units to the company, closing all direct ownership in the company (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-ward-stephen-m-returned-18955-units-of-2930588)
- 2022-05-23 20:57 UTC [SEC Form 4] [SEC Form 4: Ain Aron J returned 21,130 units of Ordinary Shares to the company and returned 6,672 units of Restricted Share Units to the company, closing all direct ownership in the company (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-ain-aron-j-returned-21130-units-of-2930584)
- 2022-05-23 20:56 UTC [SEC Form 4] [SEC Form 4: Doshi Alpna J. returned 6,790 units of Ordinary Shares to the company and returned 4,277 units of Restricted Share Units to the company, closing all direct ownership in the company (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-doshi-alpna-j-returned-6790-units-of-2930578)
- 2022-05-23 20:54 UTC [SEC Form 4] [SEC Form 4: Rafimayeri Shahriar returned 6,095 units of Ordinary Shares to the company and returned 27,678 units of Restricted Share Units to the company, closing all direct ownership in the company to satisfy withholding obligation](https://www.quantisnow.com/insight/sec-form-4-rafimayeri-shahriar-returned-6095-units-of-ordinary-2930558)
- 2022-05-23 20:44 UTC [SEC Form 8-K] [Mimecast Limited filed SEC Form 8-K: Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Material Modification to Rights of Security Holders, Changes in Control of Registrant, Leadership Update, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/mimecast-limited-filed-sec-form-8-k-entry-into-a-material-2930434)
- 2022-05-23 10:28 UTC [Market Insight] [HC Wainwright & Co. Maintains Buy on Mimecast, Raises Price Target to $69](https://www.quantisnow.com/insight/hc-wainwright-co-maintains-buy-on-mimecast-raises-price-target-2925924)
- 2022-05-20 21:30 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-mimecast-limited-2924652)
- 2022-05-20 21:30 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-mimecast-limited-2924651)
- 2022-05-20 21:29 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-mimecast-limited-2924647)
- 2022-05-20 21:28 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-mimecast-limited-2924633)
- 2022-05-20 21:28 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-mimecast-limited-2924632)
- 2022-05-19 12:35 UTC [SEC Form 25-NSE filed by Mimecast Limited](https://www.quantisnow.com/insight/sec-form-25-nse-filed-by-mimecast-limited-2914574)
- 2022-05-19 12:06 UTC [Permira Completes Acquisition of Mimecast](https://www.quantisnow.com/insight/permira-completes-acquisition-of-mimecast-2914291)
- 2022-05-12 22:16 UTC [Independence Realty Trust Set to Join S&P MidCap 400; Alpha and Omega Semiconductor & Dynavax Technologies to Join S&P SmallCap 600](https://www.quantisnow.com/insight/independence-realty-trust-set-to-join-sp-midcap-400-alpha-2880811)
- 2022-05-12 21:19 UTC [Market Chatter] ['Independence Realty Trust Set to Join S&P MidCap 400; Alpha and Omega Semiconductor & Dynavax Technologies to Join S&P SmallCap 600' -S&P Dow Jones Indices](https://www.quantisnow.com/insight/independence-realty-trust-set-to-join-sp-midcap-400-alpha-2880423)
- 2022-05-06 20:32 UTC [SEC Form 8-K] [Mimecast Limited filed SEC Form 8-K: Other Events](https://www.quantisnow.com/insight/mimecast-limited-filed-sec-form-8-k-other-events-2845940)
- 2022-04-21 20:24 UTC [SEC Form 8-K] [Mimecast Limited filed SEC Form 8-K: Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/mimecast-limited-filed-sec-form-8-k-other-events-financial-statements-2751896)
- 2022-04-21 20:05 UTC [Mimecast Announces Hearing Date with the Royal Court of Jersey to Review Pending Permira Transaction](https://www.quantisnow.com/insight/mimecast-announces-hearing-date-with-the-royal-court-of-jersey-2751458)
- 2022-04-04 22:00 UTC [SEC Form 4] [SEC Form 4: Paisley Michael converted options into 1,378 units of Ordinary Shares and covered exercise/tax liability with 1,222 units of Restricted Share Units, increasing direct ownership by 166% to 7,803 units (for withholding tax)](https://www.quantisnow.com/insight/sec-form-4-paisley-michael-converted-options-into-1378-units-2675172)
- 2022-04-04 21:45 UTC [SEC Form 4] [SEC Form 4: Rafimayeri Shahriar converted options into 1,547 units of Ordinary Shares and covered exercise/tax liability with 1,053 units of Restricted Share Units, increasing direct ownership by 72% to 7,803 units to cover withholding tax](https://www.quantisnow.com/insight/sec-form-4-rafimayeri-shahriar-converted-options-into-1547-units-2675055)
- 2022-04-04 21:30 UTC [SEC Form 4] [SEC Form 4: Anderson Karen M. converted options into 4,316 units of Ordinary Shares and covered exercise/tax liability with 1,926 units of Restricted Share Units, increasing direct ownership by 112% to 9,180 units (for tax liability)](https://www.quantisnow.com/insight/sec-form-4-anderson-karen-m-converted-options-into-4316-2674928)
- 2022-04-04 21:15 UTC [SEC Form 4] [SEC Form 4: Bentley Heather converted options into 2,216 units of Ordinary Shares and covered exercise/tax liability with 1,966 units of Restricted Share Units, increasing direct ownership by 27% to 9,180 units (withholding obligation)](https://www.quantisnow.com/insight/sec-form-4-bentley-heather-converted-options-into-2216-units-2674658)
- 2022-04-04 21:00 UTC [SEC Form 4] [SEC Form 4: Brown Rafeal E. sold $398 worth of Ordinary Shares (5 units at $79.52), converted options into 18,977 units of Ordinary Shares and covered exercise/tax liability with 11,926 units of Restricted Share Units, increasing direct ownership by 24% to 29,376 units to cover taxes](https://www.quantisnow.com/insight/sec-form-4-brown-rafeal-e-sold-398-worth-of-2674375)
- 2022-04-04 20:45 UTC [SEC Form 4] [SEC Form 4: Bauer Peter converted options into 4,680 units of Ordinary Shares, gifted 4,680 units of Ordinary Shares and covered exercise/tax liability with 2,070 units of Restricted Share Units, closing all direct ownership in the company to satisfy withholding obligation](https://www.quantisnow.com/insight/sec-form-4-bauer-peter-converted-options-into-4680-units-2674123)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/MIME
- Earnings history: https://www.quantisnow.com/earnings/MIME
- Dividend history: https://www.quantisnow.com/dividends/MIME
- Insider transactions: https://www.quantisnow.com/insiders/MIME
- Options chain: https://www.quantisnow.com/options/MIME
- SEC 8-K filings only: https://www.quantisnow.com/company/MIME/8-k
- RSS and alerts for MIME: https://www.quantisnow.com/docs/rss-feeds.md