Table of Contents UNITED STATES 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 March 31, 2024 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: 001-40880 XERIS BIOPHARMA HOLDINGS, INC. SECURITIES AND EXCHANGE COMMISSION (Exact name of the registrant as specified in its charte ...