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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 10 - Q ( Mark One ) ☑ ☐ QUARTERLY REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30 , 2021 TRANSITION REPORT UNDER SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to COMMISSION FILE NUMBER 001-39555 GREENWICH LIFESCIENCES , INC . ( Exact Name of registrant as specified in its charter ) 20-5473709 ( I.R.S. Employer Identification No. ) Delaware ( State or other jurisdiction of incorporation or organization ) 3992 Bluebonnet Dr. , Building 14 , Stafford , Texas ( Address of principal executive offices ) Title of each class : Common Stock ( 832 ) 819-3232 ( Registrant's telephone number , including area code ) Trading Symbol ( s ) GLSI 77477 ( Zip Code ) Name of each exchange on which registered : Nasdaq Capital Market Indicate by check mark whether the issuer ( 1 ) filed all reports required to be filed by Section 13 or 15 ( d ) of the Exchange Act 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 > No □ Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site , if any , every Interactive Data File required to be submitted and posted 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 and post such files ) . Yes > No □ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company , or an emerging growth company . See definitions of “ large accelerated filer , ” “ accelerated filer , ” “ smaller reporting company , " and " emerging growth company ” in Rule 12b - 2 of the Exchange Act . 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 any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes □ No ☑ As of August 1 , 2021 , the issuer had 12,969,157 shares of Common Stock issued and outstanding .