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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - Q ( Mark One ) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30 , 2026 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-40397 ZeroStack Corp. ( Exact name of registrant as specified in its charter ) Province of Ontario ( State or other jurisdiction of incorporation or organization ) 2626 Cole Ave , Suite 300 Dallas , TX , United States of America ( Address of principal executive offices ) ( 956 ) 923-4188 98-1956033 ( I.R.S. Employer Identification No. ) ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : 75204 ( Zip Code ) Title of each class Common Shares , no par value Trading Symbol ( s ) ZSTK Name of each exchange on which registered Nasdaq Capital Market 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 ☑ 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 ☑ No ☐