UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 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): December 11, 2017  
Mercury Systems, Inc.
(Exact Name of Registrant as Specified in Charter)  
 
 
 
 
 
Massachusetts
 
000-23599
 
04-2741391
(State or Other Jurisdiction
of Incorporation)
 
(Commission
File Number)
 
(IRS Employer
Identification No.)
50 Minuteman Road, Andover, Massachusetts 01810
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code: (978) 256-1300
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 Instruction 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))
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
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.  ☐  

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  Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Charles A. Speicher, the Company’s Vice President, Controller, Chief Accounting Officer, and Assistant Treasurer, resigned from his position with the Company effective as of the end of the day on December 8, 2017. As disclosed in the Company’s current report on Form 8-K filed on September 26, 2017, Mr. Speicher had previously informed the Company of his intention to leave his position with the Company. The Board of Directors has designated Gerald M. Haines II, the Company’s Executive Vice President, Chief Financial Officer, and Treasurer, as the Company’s Chief Accounting Officer effective upon Mr. Speicher’s resignation on December 8, 2017.

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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.
 
 
 
 
 
 
 
 
Dated: December 11, 2017
 
 
 
MERCURY SYSTEMS, INC.

 
 
 
 
 
 
 
By:
/s/ Gerald M. Haines II
 
 
 
 
 
 
Gerald M. Haines II
 
 
 
 
 
 
Executive Vice President, Chief Financial Officer, and Treasurer
 
 

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