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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 Indiana Form 10 - K TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number : 001-36341 ( State or other jurisdiction of incorporation or organization ) or Vectrus , Inc. ( Exact name of registrant as specified in its charter ) Title of Each Class Common Stock , Par Value $ .01 Per Share to 2424 Garden of the Gods Road , Colorado Springs , Colorado ( Address of Principal Executive Offices ) Registrant's telephone number , including area code : ( 719 ) 591-3600 Trading symbol ( s ) VEC SECURITIES REGISTERED PURSUANT TO SECTION 12 ( b ) OF THE ACT : ( I.R.S. Employer Identification No. ) 80919 ( Zip Code ) 38-3924636 Name of Exchange on Which Registered New York Stock Exchange SECURITIES REGISTERED PURSUANT TO SECTION 12 ( g ) OF THE ACT : NONE Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No p Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes No p Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes þ No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes þ No