Welcome to our dedicated page for Perimeter Acquisition I SEC filings (Ticker: PMTRU), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Perimeter Acquisition Corp. I (PMTRU) provides access to the company’s regulatory disclosures as a special purpose acquisition company (SPAC) and shell company in the financial services sector. As a public acquisition vehicle listed on the Nasdaq Global Market, Perimeter Acquisition Corp. I files documents with the U.S. Securities and Exchange Commission that describe its capital structure, offering terms, and progress as it pursues a business combination.
Key filings for a SPAC such as Perimeter Acquisition Corp. I typically include its registration statement on Form S-1 for the initial public offering of units, as well as Current Reports on Form 8-K that may contain the audited balance sheet reflecting the proceeds placed in a trust account after the offering. Over time, additional filings can document material events, amendments to governing documents, or the announcement and completion of a proposed business combination.
On Stock Titan, these SEC filings are paired with AI-powered summaries designed to explain the core points of lengthy documents in clear language. Investors can review annual and quarterly reports when available, as well as transaction-related filings, while AI highlights important sections such as the description of the trust account, unit and warrant terms, and risk factors relevant to Perimeter Acquisition Corp. I’s structure and strategy.
Users interested in insider activity and governance can also look for ownership-related filings, including Form 4 submissions if and when they are filed, to understand changes in beneficial ownership of the company’s securities. This page offers a centralized view of Perimeter Acquisition Corp. I’s regulatory history, helping readers interpret how its SPAC framework, defense and national security focus, and capital structure are reflected in official SEC documents.
Perimeter Acquisition Corp. I, a Cayman Islands blank check company, filed its annual report describing its status and strategy as a special purpose acquisition company. Formed on March 6, 2025, it has not yet selected a merger target and has generated no operating revenues.
The company intends to complete an initial business combination focused on U.S. and allied defense, national security, aerospace, space, government services and related sectors, leveraging a management team with deep investing and government experience. As of December 31, 2025, it reported $239,298,018 available for a business combination after $8,452,500 of deferred underwriting fees.
Non‑affiliate voting stock had an aggregate market value of approximately $245,605,500 on June 30, 2025, based on a $10.17 Nasdaq price. As of March 30, 2026, there were 24,788,000 Class A and 6,037,500 Class B ordinary shares outstanding. Sponsor and insider economics, including 6,037,500 founder shares bought for $25,000 and 638,000 private placement units at $10.00 each, create potential conflicts that are extensively detailed, along with lock‑up and transfer restrictions.
Perimeter Acquisition Corp I received an updated ownership filing from a group of Harraden Circle investment entities and Frederick V. Fortmiller, Jr. They report beneficial ownership of 2,300,498 shares of Class A common stock, representing 9.28% of the class as of the event date.
All reported shares carry shared voting and dispositive power, with no sole voting or dispositive authority. The position is held across several Delaware limited partnerships, including Harraden Circle Investors, Special Opportunities, Strategic Investments, and Concentrated funds, with Mr. Fortmiller as managing member of key general partners and the adviser.
The filers certify the shares were not acquired and are not held for the purpose or effect of changing or influencing control of Perimeter Acquisition Corp I, and are instead reported on a passive basis under Schedule 13G/A.
Healthcare of Ontario Pension Plan Trust Fund filed an amended Schedule 13G reporting its ownership in Perimeter Acquisition Corp. I, a Cayman Islands blank check company. HOOPP reports beneficial ownership of 450,000 Class A ordinary shares, representing 1.8% of the class based on 24,788,000 shares outstanding as of November 12, 2025.
HOOPP has sole voting and dispositive power over these shares and no shared power. The filing states the securities were acquired and are held in the ordinary course of business, and not for the purpose of changing or influencing control of the issuer.
Perimeter Acquisition Corp. I filed its inaugural Form 10-Q covering the period from inception (March 6, 2025) to March 31, 2025. The company is a Cayman Islands-incorporated special-purpose acquisition company (SPAC) that has not yet consummated its IPO; consequently, no Class A ordinary shares are outstanding as of the reporting date.
Balance Sheet
- Total assets: $410,349, consisting almost entirely of deferred offering costs ($402,557) and prepaid expenses ($7,792).
- Total current liabilities: $431,444, driven by accrued offering costs ($296,420) and a related-party promissory note ($132,570).
- Resulting shareholders’ deficit: $(21,095), reflecting an accumulated deficit of $(46,095) offset by paid-in capital of $24,396 and 6,037,500 Class B founder shares (par value $0.0001; carrying value $604).
Operations
- The company incurred $46,095 of formation, general and administrative expenses, resulting in an identical net loss for the brief operating period.
- Basic and diluted loss per Class B share: $(0.01) on a weighted average of 5.25 million shares.
Capitalization Events
- On May 2 and May 12, 2025 (subsequent to quarter-end), the sponsor and independent directors received 1,725,000 additional founder shares for no consideration, bringing founder shares outstanding to 6,037,500. Up to 787,500 of these shares are subject to forfeiture if the underwriters’ over-allotment option is not exercised.
Regulatory & Status Disclosures
- The registrant has not yet filed all required reports under Section 13 or 15(d) for the preceding 12 months, reflecting its recent formation.
- It is classified as a non-accelerated filer, smaller reporting company, and emerging growth company.
- The company is a shell company as defined by Rule 12b-2.
Liquidity Outlook
The SPAC is dependent on completing its proposed IPO to fund operations and repay the related-party note. Until that time, the balance sheet shows negative equity and reliance on sponsor financing.