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 ☐ 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: 001-42883 RICE ACQUISITION CORPORATION 3 (Exact Name of Registrant as Specified in Its Charter) | Cayman Islands | 98-1863122 | | --- | --- | | (State or other jurisdiction of | (I.R.S. Employer | | inc ...