Welcome to our dedicated page for Churchill SEC filings (Ticker: CCIX), 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 Churchill Capital Corp IX (NASDAQ: CCIX) provides access to the company’s regulatory documents as a special purpose acquisition company. As a blank check company formed to complete a business combination, Churchill Capital Corp IX’s filings focus on its capital structure, governance, shareholder meetings, and the regulatory steps required to pursue a merger or similar transaction.
Key filings include proxy statements such as the definitive proxy statement (DEF 14A) for the company’s annual general meeting. That document describes the proposal to ratify the selection of WithumSmith+Brown, PC as the independent registered public accounting firm for the year ending December 31, 2025, outlines voting procedures, and explains the rights of holders of Class A and Class B ordinary shares. The proxy materials also summarize the company’s formation as a Cayman Islands exempted company and its initial public offering of units consisting of Class A ordinary shares and warrants.
For the proposed business combination with Plus Automation, Inc. (PlusAI), Churchill Capital Corp IX has filed a registration statement on Form S-4 with the U.S. Securities and Exchange Commission. This joint registration statement includes a proxy statement/prospectus that will be distributed to Churchill Capital Corp IX shareholders in connection with the vote on the merger and related matters. Press releases note that the registration statement has been declared effective by the SEC and emphasize that it contains important information about Churchill Capital Corp IX, PlusAI, and the proposed transaction.
On this page, users can review these filings as they become available through the SEC’s EDGAR system, including annual reports on Form 10-K, proxy statements on Schedule 14A, and the Form S-4 related to the PlusAI transaction. AI-powered tools can help summarize lengthy documents, highlight key sections on voting, risk factors, and business descriptions, and make it easier to understand how each filing affects Churchill Capital Corp IX’s path toward completing its proposed business combination.
Churchill Capital Corp IX reported that Plus Automation, Inc. (“PlusAI”) has signed a non-binding letter of intent with TRATON Group to accelerate research and development for on-highway autonomous trucking in the U.S. and Europe under an existing collaboration. The LOI contemplates that TRATON will pay $25,000,000 to PlusAI over time under an agreed work schedule and, after the closing of the business combination between PlusAI and Churchill IX, the combined company would issue TRATON or an affiliate a warrant to purchase up to 5,000,000 shares of Class A common stock at an exercise price of $11.50 per share. The warrant would vest in stages as the combined company recognizes a total of $400 million in revenue from TRATON and would expire seven years after issuance. TRATON would also gain a one-time right to designate a single director to the combined company’s board, subject to customary qualifications.
Churchill Capital Corp IX highlights a new strategic partnership between PlusAI and Tokyo-based T2 Inc. to deploy Level 4 autonomous trucks in Japan. The collaboration combines T2’s logistics and technology expertise in Japan with PlusAI’s experience running commercial autonomous trucking programs with major global truck makers in the U.S. and Europe.
Mitsui & Co. has made an investment in PlusAI in support of this partnership, underscoring its interest in next-generation mobility and Japan’s logistics infrastructure. The communication also reminds shareholders that PlusAI plans to go public via a business combination with Churchill Capital Corp IX, for which a registration statement is effective and proxy materials are being mailed for a shareholder vote.
Churchill Capital Corp IX filed an amended Form S-4 to register up to 201,517,063 shares of Class A common stock for its proposed merger with Plus Automation, Inc. (“PlusAI”). The SPAC will first domesticate from the Cayman Islands to Delaware and then merge its subsidiaries with PlusAI, creating “PlusAI Holdings, Inc.” as the new public company.
PlusAI equity holders will receive stock valued off a $1.2 billion equity value, paid entirely in shares at $10.00 per share, plus the contingent right to up to 15,000,000 additional earnout shares if post-closing price targets or a qualifying change in control are achieved. Pro forma, PlusAI holders are expected to own roughly three-quarters or more of the combined company, while public SPAC holders’ stake varies significantly with redemption levels.
Churchill Capital Corp IX is calling an annual general meeting on December 19, 2025 to vote on a single item: ratifying WithumSmith+Brown, PC as its independent registered public accounting firm for the fiscal year ending December 31, 2025. This auditor has served the company since 2023 and handled audits for 2023 and 2024.
Shareholders of record as of November 18, 2025, holding a total of 36,662,500 ordinary shares, may vote in person in New York or online. A quorum requires at least one-third of the ordinary shares. The sponsor, directors and officers collectively own about 21.6% of outstanding ordinary shares and intend to vote in favor.
In 2024, Withum earned about $100,880 in audit fees, $32,000 in audit-related fees and $4,000 in tax fees. The board unanimously recommends voting “FOR” the auditor ratification. The company is a SPAC with approximately $304.5 million held in a trust account as of September 30, 2025 and has a pending business combination agreement with Plus Automation, Inc. (PlusAI) that is not being voted on at this meeting.
Churchill Sponsor IX LLC, M. Klein Associates, Inc. and Michael Klein report they beneficially own 7,912,500 Ordinary Shares, representing 21.6% of the Class A shares on a converted basis. The filing amends prior Schedule 13D disclosures to describe a Merger Agreement under which Churchill Capital Corp IX will combine with Plus Automation, Inc. in a two-step merger structure and to summarize related revised agreements.
The amendment describes an Amended and Restated Registration Rights Agreement obligating the issuer to file a resale registration statement within 15 business days of closing and use commercially reasonable efforts to have it effective within statutory timing windows. It also describes an Amended and Restated Sponsor Agreement in which the Sponsor and Insiders agree to vote in favor of the mergers and accept certain transfer restrictions and waivers tied to the transactions.
Churchill Capital Corp IX (CCIX) proposes a business combination with Plus Automation, Inc. (PlusAI) that would domesticate CCIX from the Cayman Islands to Delaware and rename it PlusAI Holdings, Inc. The Merger Agreement sets an Equity Value of $1,200,000,000 plus any net proceeds from permitted pre-closing financings, paid in Post-Closing Company common stock. The deal contemplates up to 15,000,000 Earnout Shares payable on price milestones and assumes conversion of PlusAI preferred stock and SAFEs into common stock at closing. CCIX completed an IPO that deposited $287.5 million into a trust account; redemptions by public shareholders reduce Available Closing SPAC Cash under illustrated scenarios producing estimated net cash per CCIX share of $7.56 (no redemptions), $6.85 (25%), $5.68 (50%) and $0.44 (maximum redemptions). Ocean Tomo provided a written fairness opinion to CCIX shareholders. The proxy lists nine shareholder proposals including approval of the Merger, Domestication, organizational documents, stock issuance, Incentive Plan and ESPP, director elections and possible adjournment.