UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 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 NO. 000-26224 INTEGRA LIFESCIENCES HOLDINGS CORPORATION (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) Delaware 51-0317849 (STATE OR O ...