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Plum Acquisition Corp. III filed a Form 15 to terminate the registration of its securities under Section 12(g) of the Exchange Act and to suspend its duty to file periodic reports under Sections 13 and 15(d). The filing covers its units, Class A ordinary shares, and redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50. The company reports an approximate number of holders of record of these securities as none as of the certification date.
Plum Acquisition Corp. III (PLMJF) reports a change in its independent auditor. Marcum LLP, which had served as the company’s independent registered public accounting firm, resigned on June 3, 2026, after CBIZ CPAs P.C. acquired Marcum’s attest business effective November 1, 2024.
The company states that for the years ended December 31, 2025 and 2024, and through June 3, 2026, there were no disagreements with Marcum on accounting principles, financial statement disclosure, or audit procedures, and no reportable events, other than a previously disclosed material weakness in internal control over financial reporting described in its 2025 Form 10-K and March 31, 2026 Form 10-Q. Marcum’s audit reports for 2025 and 2024 contained no adverse opinions, disclaimers, or qualifications. Plum obtained a letter from Marcum, filed as Exhibit 16.1, addressing these disclosures.
Plum Acquisition Corp. III reports that Marcum LLP resigned as its independent registered public accounting firm on June 3, 2026. Marcum’s attest business was acquired by CBIZ CPAs P.C. effective November 1, 2024, and Marcum continued as auditor through the resignation date.
For the fiscal years ended December 31, 2025 and 2024, Marcum’s audit reports contained no adverse opinions, disclaimers, or qualifications regarding uncertainty, scope, or accounting principles. The company states there were no disagreements or reportable events with Marcum over accounting, disclosure, or audit procedures, except for a previously disclosed material weakness in internal control over financial reporting referenced in its 2025 Form 10-K and March 31, 2026 Form 10-Q. The company provided this disclosure to Marcum and filed Marcum’s related letter as Exhibit 16.1.
Plum Acquisition Corp. III (PLMJF) reports that, effective July 27, 2026, it completed a domestication, changing its jurisdiction of incorporation from the Cayman Islands to the Province of British Columbia, Canada under Section 206 of the Cayman Islands Companies Act and the British Columbia Business Corporations Act. Each outstanding Class A ordinary share, warrant and unit of Plum automatically became a corresponding registered security of the British Columbia entity referred to as Canadian Plum.
The domestication is undertaken in anticipation of a planned business combination among Canadian Plum, Plum III Amalco Corp., Plum III Merger Corp. (Pubco) and Tactical Resources Corp., under an existing Business Combination Agreement. After completion of the domestication, Plum’s Class A ordinary shares, warrants and units continue to trade on the OTC Markets under the symbols PLMJF, PLMWF and PLMUF, and these securities are deemed registered under Section 12(b) of the Exchange Act.
Plum Acquisition Corp. III completed a change of jurisdiction on July 27, 2026, continuing from the Cayman Islands to the Province of British Columbia, Canada under the Cayman Companies Act and the Business Corporations Act (British Columbia). After this Domestication, the entity operates as Canadian Plum, subject to Canadian and provincial law.
Each outstanding Class A ordinary share, warrant and unit automatically became a registered security of Canadian Plum. The Class A shares, warrants and units continue to trade on the OTC Markets under the symbols PLMJF, PLMWF and PLMUF, and are deemed registered under Section 12(b) of the Exchange Act pursuant to Rule 12g-3(a). The Domestication was undertaken in anticipation of a planned Business Combination among Canadian Plum, Pubco, Amalco and Tactical Resources Corp., involving successive amalgamations in which Pubco and Tactical would be the surviving entities, as further detailed in Pubco’s F-4 registration statement.
Plum Acquisition Corp. III and Tactical Resources Corp. describe progress toward completing their business combination under a Business Combination Agreement dated August 22, 2024, as amended. Plum will domesticate to British Columbia, amalgamate with a new holding company (New PubCo), and Tactical will become a wholly owned subsidiary of New PubCo, which will be renamed Tactical Resources Corp.
Tactical reports receiving a Nasdaq approval letter for listing New PubCo common shares on the Nasdaq Capital Market under ticker “TREO”, with closing of the transaction expected on or about July 28, 2026, subject to customary conditions and final TSX Venture Exchange approval. Tactical expects to be delisted from the TSX Venture Exchange following closing.
Each Tactical common share will be exchanged for approximately 4.45396581 New PubCo common shares. Tactical implemented a 5‑for‑1 share consolidation effective December 5, 2025, and no additional consolidation is required. Of the New PubCo shares issued to Tactical shareholders, 37% will be subject to six‑month transfer restrictions, while 63% will be freely tradeable upon issuance, subject to securities laws.
Plum Acquisition Corp. III has called a July 29, 2026 extraordinary meeting to ask shareholders to extend the deadline to complete its previously approved business combination with Tactical Resources Corp. from July 30, 2026 to December 31, 2026 through an Articles Extension.
Holders of Class A Public Shares may redeem for their pro rata share of the Trust Account if the extension is implemented. As of July 15, 2026, the Trust held approximately $501,297, implying a redemption price of about $11.80 per share, compared with a May 1, 2026 OTC Pink trading price of $10.40.
If the extension is not approved and the business combination is not completed by July 30, 2026, Plum would cease operations, redeem all Public Shares from the Trust Account and liquidate, and its warrants would expire worthless. Initial shareholders, who hold 97.0% of outstanding ordinary shares, intend to vote in favor of both the extension and a related adjournment proposal.
Plum Acquisition Corp. III reports that, in connection with an Asset Purchase Agreement among Plum III Merger Corp. (PubCo), Sierra Blanca Quarry, LLC and Tactical Resources Corp. dated April 7, 2026, Tactical has prepared unaudited pro forma condensed consolidated financial information. The pro forma balance sheet and income statement as of April 30, 2026 are furnished as Exhibit 99.1 to illustrate the potential impact of the Asset Purchase Agreement and the broader Business Combination among Plum, Tactical and PubCo.
The companies emphasize that these pro formas are based on assumptions and management estimates and are not necessarily indicative of actual results if the Business Combination closes or of future performance. The information is being furnished, not filed, and has not been audited, reviewed, or compiled by Plum’s or Tactical’s auditors. Detailed forward-looking statement and risk disclosures highlight uncertainties around completion, timing and outcomes of the Business Combination and related financing and operational factors.
Plum Acquisition Corp. III furnished unaudited pro forma financial information for its planned Business Combination involving Plum III Merger Corp. and Tactical Resources Corp.. The pro forma condensed consolidated balance sheet as of April 30, 2026 shows total assets of $39,197,462, total liabilities of $25,403,121 and total equity of $13,794,340 for the combined company. Key adjustments include a $30,000,000 increase to inventory for a crushed aggregate acquisition, a $7,500,000 prepaid advance liability, and a $2,000,000 commitment fee payable.
The pro forma condensed consolidated income statement for the nine months ended April 30, 2026 reflects a combined net loss of $5,749,756 and a loss and comprehensive loss of $5,833,663. Additional pro forma expenses include $375,000 of debt issuance expenses and a $2,000,000 SEPA commitment fee expense. Management states that these pro forma figures are illustrative only, based on assumptions and estimates, are unaudited, and may differ significantly from actual results if and when the Business Combination closes.
Plum Acquisition Corp. III is asking shareholders to approve an amendment to extend the deadline to complete its previously announced business combination from July 30, 2026 to December 31, 2026. The board recommends voting FOR the Extension Amendment and an Adjournment Proposal to allow additional proxy solicitation if needed.
The proxy confirms that holders of Class A public shares may redeem for a pro rata portion of the trust account; the redemption price was approximately $11.80 per share based on approximately $501,297 in the Trust Account as of July 2, 2026. The last quoted market price on the OTC Pink was $10.40 on May 1, 2026. Initial Shareholders beneficially hold 97.0% of outstanding ordinary shares.