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( Mark One ) р UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended April 30 , 2021 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Delaware ( State or other jurisdiction of incorporation or organization ) Form 10 - K One University Plaza , Suite 307 Hackensack , New Jersey ( Address of principal executive offices ) Title of Each Class Common Stock , par value $ 0.001 per to CHAMPIONS ONCOLOGY , INC . ( Exact name of registrant as defined in its charter ) or Commission file number 001-11504 share 52-1401755 ( I.R.S. Employer Identification No. ) Registrant's telephone number , including area code : ( 201 ) 808-8400 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) CSBR 07601 ( Zip Code ) Name of Each Exchange on Which Registered Nasdaq Capital Market Securities registered pursuant to Section 12 ( g ) of the Act : None . Indicate by check mark whether the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No p 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 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 and posted on its corporate Website , 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 p 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 the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act .