8-K

Mimecast Limited

Date: March 16, 2021

/s/ Robert P. Nault

Robert P. Nault

Senior Vice President and General Counsel

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 16, 2021

MIMECAST LIMITED

(Exact name of Registrant as Specified in Its Charter)

Bailiwick of Jersey

001-37637

Not Applicable

(State or other jurisdiction of

incorporation or organization)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

1 Finsbury Avenue

London EC2M 2PF

United Kingdom

EC2M 2PF

(Address of principal executive offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: (781) 996-5340

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)

(Trading

Symbol)

(Name of each exchange

on which registered)

Ordinary Shares, nominal value $0.012 per share

MIME

The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01

Other Events.

On March 16, 2021, Mimecast Limited, a corporation organized under the laws of the Bailiwick of Jersey, Channel Islands (the “Company”), posted a public statement and an incident report on the Mimecast Blog on its website (www.mimecast.com/blog). The public statement and incident report are being furnished as Exhibit 99.1 and Exhibit 99.2 to this Current Report on Form 8-K, respectively.

The Company currently intends that any further announcements regarding the information included in the public statement will be disclosed on the Mimecast Blog on the Company’s website (www.mimecast.com/blog).

The information in this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2 attached hereto, is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01

Financial Statements and Exhibits

(d) Exhibits.


Exhibit Number		Description

99.1*		Public Statement from Mimecast Limited dated March 16, 2021

99.2*		Incident Report from Mimecast Limited dated March 16, 2021

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

*	Furnished herewith.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.