UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of August 2026

Commission File Number: 001-41310

ZENTEK LTD.

(Registrant)

1123 York Road

Guelph, Ontario N1E 6Z1 Canada

(Address of Principal Executive Offices)

Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ☐            Form 40-F  ☒



SIGNATURES

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

  ZENTEK LTD.
  (Registrant)
     
Date: August 28, 2026 By /s/ Wendy Ford
    Wendy Ford
    Chief Financial Officer


EXHIBIT INDEX

Exhibit Description of Exhibit
   
99.1 Press Release dated August 28, 2026 - Zentek Provides Update on Nasdaq Listing



ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EXHIBIT 99.1