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 September 30, 2025 OR AVIENT CORPORATION (Exact name of registrant as specified in its charter) ________________________________________________ of incorporation or organization) 33587 Walker Road 440 ...