Perimeter Acquisition Corp I-A(PMTR) - 2025 Q3 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION (MARK ONE) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter 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: 001-42642 Perimeter Acquisition Corp. I (Exact Name of Registrant as Specified in Its Charter) | Cayman Islands | 98-1843886 | | --- | --- | | (State or other jurisdiction o ...