SCYX · Annual Report (Form 10-K) · Filed March 4, 2026

Scynexis Inc — 10-K exhibit

scyx-ex32_1.htm

EX-32.1

Exhibit 32.1

CERTIFICATION

Pursuant to the requirement set forth in Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350), David Angulo, Chief Executive Officer of SCYNEXIS, Inc. (the “Company”), and Ivor Macleod, Chief Financial Officer of the Company, each hereby certifies that, to the best of his knowledge:

The Company’s Annual Report on Form 10-K for the period ended December 31, 2025, to which this Certification is attached as Exhibit 32.1 (the “Periodic Report”), fully complies with the requirements of Section 13(a) or Section 15(d) of the Exchange Act, and

The information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

In Witness Whereof, the undersigned have set their hands hereto as of March 3, 2026.



/s/ David Angulo, M.D.				/s/ Ivor Macleod
David Angulo, M.D. Chief Executive Officer Principal Executive Officer				Ivor Macleod Chief Financial Officer Principal Financial Officer

This certification accompanies the Form 10-K to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of SCYNEXIS, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-K), irrespective of any general incorporation language contained in such filing.

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