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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - Q X QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31 , 2021 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number : 1-32731 to CHIPOTLE MEXICAN GRILL , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 610 Newport Center Drive , Suite 1300 Newport Beach , CA ( Address of Principal Executive Offices ) 84-1219301 ( IRS Employer Identification No. ) 92660 ( Zip Code ) Registrant's telephone number , including area code : ( 949 ) 524-4000 Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Trading Symbol ( s ) CMG Common stock , par value $ 0.01 per share Name of each exchange on which registered New York Stock Exchange 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 . x Yes ☐ 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 ) . x Yes - No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of “ large accelerated filer , ” “ accelerated filer , ” “ smaller reporting company , " and " emerging growth company ” in Rule 12b - 2 of the Exchange Act ( check one ) : ☐ Large accelerated filer ☐ Accelerated filer ☐ Non - accelerated filer Smaller reporting company ☐ 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 accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . " Yes x No Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . As of April 26 , 2021 , there were 28,150,479 shares of the registrant's common stock , par value of $ 0.01 per share outstanding .