Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Plum Acquisition Corp. IV (the “Company”) on Form 10-K for the period ended December 31, 2024, as filed with the Securities and Exchange Commission (the “Report”), we, Kanishka Roy, the Chief Executive Officer of the Company, and Steven Handwerker, the Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of our knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of and for the period covered by the Report.

Dated: March 31, 2025	/s/ Kanishka Roy
	Kanishka Roy
	Chief Executive Officer
	(Principal Executive Officer)
	/s/ Steven Handwerker
	Steven Handwerker
	Chief Financial Officer
	(Principal Financial Officer)