UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _________________________________________ FORM 10-Q _________________________________________ (Mark One) ☒ Q S 13 15(d) 1934 UARTERLYREPORTPURSUANTTO ECTION OR OFTHESECURITIESEXCHANGEACTOF For the quarterly period ended March 31, 2023 ☐ T 13 15(d) 1934 RANSITIONREPORTPURSUANTTOSECTION OR OFTHESECURITIESEXCHANGEACTOF Commission File Number 001-31225 _________________________________________ ENPRO INDUSTRIES, INC. (Exact name of registran ...