Plum Acquisition Corp. III (PLMJF) files Form 15 to suspend SEC reporting

Rhea-AI Filing Summary

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.

Filing Explained

The signed Form 15 is dated August 14, 2026, but the supplied filing shows no rule provision selected; it therefore does not identify the specific eligibility basis for the stated termination of registration and suspension of reporting duties.

Key Figures

Exercise price per warrant: $11.50 Holders of record: None Par value per Class A share: $0.0001 +1 more

4 metrics

Exercise price per warrant $11.50 Each whole redeemable warrant exercisable for one Class A ordinary share

Holders of record None Approximate number of holders of record as of the certification date

Par value per Class A share $0.0001 Par value of Class A ordinary shares covered by the Form 15

Phone number +1 (929) 529-7125 Registrant’s principal executive offices contact number

Key Terms

Form 15, Section 12(g), Sections 13 and 15(d), redeemable warrant, +1 more

5 terms

Form 15 regulatory

"FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION"

A Form 15 is a short filing a public company uses with the U.S. Securities and Exchange Commission to stop or pause its routine public reporting requirements when it meets certain legal thresholds (such as a low number of public shareholders) or other qualifying conditions. Investors should care because filing one typically means less public financial information and lower trading liquidity—similar to a shop taking down its public notice board, making it harder to track performance and buy or sell shares.

Section 12(g) regulatory

"TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES"

Section 12(g) is a rule that requires companies to register with the government and share their financial details when they have a certain number of shareholders or assets. It matters because it makes these companies more transparent, helping investors make informed decisions and keeping the markets fair.

Sections 13 and 15(d) regulatory

"SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)"

redeemable warrant financial

"one-third of one redeemable warrant Class A ordinary shares"

A redeemable warrant is a financial tool that gives its holder the right to buy shares of a company at a fixed price within a certain period. If the holder chooses to do so, the company can buy back or cancel the warrant before it expires, often to encourage investment or manage share issuance. For investors, it provides an option to potentially buy shares at a favorable price while offering some flexibility for the issuing company.

exercise price financial

"each whole warrant exercisable for one Class A ordinary share at an exercise price"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

What did Plum Acquisition Corp. III (PLMJF) do in this Form 15 filing?

Plum Acquisition Corp. III filed Form 15 to terminate registration under Section 12(g) and suspend its duty to file periodic reports under Sections 13 and 15(d) for certain securities.

Which securities of PLMJF are covered by this Form 15?

The Form 15 covers units (each consisting of one Class A ordinary share and one-third of one redeemable warrant), Class A ordinary shares, and redeemable warrants exercisable for one Class A ordinary share at $11.50 per whole warrant.

What is the reported number of PLMJF holders of record in this notice?

Plum Acquisition Corp. III reports an approximate number of holders of record as "None" as of the certification or notice date, which supports its reliance on Exchange Act rules to end reporting obligations.

Does Plum Acquisition Corp. III intend to stop SEC periodic reporting with this Form 15?

Yes. By filing Form 15, Plum Acquisition Corp. III seeks to suspend its obligation to file periodic reports, such as annual and quarterly reports, under Sections 13 and 15(d) of the Exchange Act.

What is the exercise price of PLMJF’s redeemable warrants?

Each redeemable warrant is exercisable for one Class A ordinary share at an exercise price of $11.50 per whole warrant, as specified in the description of the securities covered.

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Available on EDGAR 08/14/2026 - 05:27 PM Accepted by SEC EDGAR 08/14/2026 - 05:27 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number: 001-40677

PLUM ACQUISITION CORP. III

(Exact name of registrant as specified in its charter)

2600 - 1066 West Hastings Street

Vancouver, British Columbia V6E 3X1

+1 (929) 529-7125

(Address, including zip code, and telephone number, including area code, of

registrant’s principal executive offices)

Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant

Class A ordinary shares, par value $0.0001 per share

Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an ☒ in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

	Rule 12g-4(a)(1)		☒
	Rule 12g-4(a)(2)		☐
	Rule 12h-3(b)(1)(i)		☒
	Rule 12h-3(b)(1)(ii)		☐
	Rule 15d-6		☐
	Rule 15d-22(b)		☐

Approximate number of holders of record as of the certification or notice date: None*

* Effective as of August 13, 2026, Plum Acquisition Corp. III, a corporation formed under the Laws of the Province of British Columbia (“Plum”), Plum III Amalco Corp., a corporation formed under the Laws of the Province of British Columbia and a direct, wholly owned subsidiary of Plum (“Amalco”), Plum III Merger Corp., a corporation formed under the Laws of the Province of British Columbia (“PubCo”), and Tactical Resources Corp., a corporation formed under the Laws of the Province of British Columbia (“TRC”), consummated the previously announced business combination (the “Business Combination”). As part of the Business Combination transactions, (i) Plum amalgamated with PubCo (the “Plum Amalgamation”) to form one corporate entity, with PubCo surviving the Plum Amalgamation, and (ii) immediately following the Plum Amalgamation, TRC and Amalco amalgamated (the “TRC Amalgamation”) to form one corporate entity with TRC surviving the TRC Amalgamation as a direct, wholly owned subsidiary of PubCo.   This Form 15 relates solely to the reporting obligations of Plum under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and does not affect the reporting obligations of PubCo under the Exchange Act.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

	PLUM ACQUISITION CORP. III
Date: August 14, 2026	By:	/s/ Kanishka Roy
	Name:	Kanishka Roy
	Title:	President, Chief Executive Officer and Chairman