Perimeter Acquisition Corp. I Business Summary

Perimeter Acquisition Corp. I (PMTR) is a Special Purpose Acquisition Company (SPAC) designed to facilitate capital formation for private entities through strategic business combinations. The company operates as a blank-check vehicle, generating revenue post-merger by taking high-growth target companies public, primarily within the defense, national security, and American industrial sectors. Its investment focus spans critical subsectors including aerospace, space, next-generation manufacturing, and dual-use military technologies. As of early 2026, the firm remains in its pre-deal phase, holding approximately $241.5 million in trust following its upsized May 2025 IPO. Direct competitors include other specialized acquisition vehicles such as Cantor Equity Partners II, Ares Acquisition Corporation II, and Gemini Space Station; Perimeter distinguishes itself by positioning as a bridge between frontier defense innovators and the public equity markets. The leadership team is composed of seasoned professionals with backgrounds in national security, institutional finance, and public markets. Executive Chairman Jordan Blashek is a former Marine infantry officer and Co-Founder of America’s Frontier Fund, while President and CEO Josef “Joe” Valdman brings extensive expertise as the Founder of Slate Hill Partners and Co-Founder of the $6 billion ETF platform NEOS. Chief Investment Officer Todd Lemkin previously served as the CIO of Canyon Partners, a $23 billion global investment firm. The Board of Directors further bolsters the company’s strategic pedigree, featuring Vice Admiral (ret.) Sean Pybus, a former Navy SEAL commander, alongside veteran technology executives and investors such as Scott Faris, Scott Letier, Jack Selby, and Richard Berthy.