STOCK TITAN

Zentek (ZTEK) links ZenGuard U.S. sales press release to Form F-3

(Neutral)
(Neutral)
Form Type
6-K/A

Rhea-AI Filing Summary

Zentek Ltd. filed Amendment No. 1 to its June 29, 2026 Form 6-K so that Exhibit 99.1 is incorporated by reference into its Registration Statement on Form F-3 (File No. 333-278886).

Exhibit 99.1 is a press release titled Zentek Established Pathway to Sell ZenGuard™ Enhanced Air Filtration Media in the U.S. The amendment states there are no other changes to the initial report.

Positive

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Negative

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Form 6-K Commission File Number 001-41310 Commission file number associated with Zentek Ltd. as a foreign private issuer
Form F-3 File Number 333-278886 Registration Statement on Form F-3 into which Exhibit 99.1 is incorporated by reference
Initial Report Furnished Date June 29, 2026 Date on which the initial Form 6-K referenced by the amendment was furnished
Amendment Signature Date July 31, 2026 Date on which Amendment No. 1 to the Form 6-K was signed by the CFO
Exhibit Number 99.1 Press release regarding ZenGuard enhanced air filtration media incorporated into the Form F-3
foreign private issuer regulatory
"FORM 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"
A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.
Form 6-K regulatory
"report on Form 6-K originally furnished with the U.S. Securities and Exchange"
A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.
Registration Statement on Form F-3 regulatory
"incorporate Exhibit 99.1 filed as part of the Initial Report into the Registrant's Registration Statement on Form F-3"
A registration statement on Form F-3 is a streamlined filing used by eligible foreign companies to register securities for sale in the U.S., often as a “shelf” that lets them offer shares quickly when market conditions are right. For investors it matters because it signals that the company can raise capital on short notice—potentially increasing liquidity but also the risk of share dilution if new stock is issued—similar to a company keeping a pre-approved credit line ready to use.
incorporated by reference regulatory
"Exhibit 99.1 included with this Amendment No. 1 are hereby incorporated by reference"
Explanatory Note regulatory
"EXPLANATORY NOTE This Amendment No. 1 (this "Amendment No. 1")"
ZenGuard™ Enhanced Air Filtration Media technical
"Zentek Established Pathway to Sell ZenGuard™ Enhanced Air Filtration Media in the U.S."

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FAQ

What is the purpose of Zentek (ZTEK) filing this Form 6-K/A?

The amendment’s purpose is to incorporate Exhibit 99.1 from the June 29, 2026 Form 6-K into Zentek’s Registration Statement on Form F-3. It explicitly states that, aside from this incorporation, no other changes are being made.

Which exhibit is incorporated by reference into Zentek (ZTEK)'s Form F-3?

The amendment incorporates Exhibit 99.1, a press release dated June 29, 2026 titled Zentek Established Pathway to Sell ZenGuard™ Enhanced Air Filtration Media in the U.S. This exhibit is now deemed part of the Form F-3 registration statement.

From what date is Exhibit 99.1 deemed part of Zentek (ZTEK)'s Form F-3?

Exhibit 99.1 is deemed part of the Form F-3 from the date the initial Form 6-K was furnished, June 29, 2026. It remains part of the registration statement to the extent not superseded by later filings.

Does Zentek (ZTEK)'s Form 6-K/A make any other changes to the initial report?

No. The amendment states that except as set forth in incorporating Exhibit 99.1 into the Form F-3, there are no other changes to the June 29, 2026 initial Form 6-K report.

How does this Form 6-K/A affect Zentek (ZTEK)'s Registration Statement on Form F-3?

The amendment causes Exhibit 99.1 to be incorporated by reference into the Form F-3 (File No. 333-278886). This means the press release now forms part of the disclosure record for the registration statement, unless later superseded.

Who signed Zentek (ZTEK)'s Form 6-K/A and when?

The amendment was signed on July 31, 2026 by Wendy Ford, Chief Financial Officer of Zentek Ltd. Her signature confirms the company has duly caused the report to be filed under the Securities Exchange Act of 1934.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER

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

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 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  ☒


EXPLANATORY NOTE

This Amendment No. 1 (this "Amendment No. 1") to the report on Form 6-K originally furnished with the U.S. Securities and Exchange Commission on June 29, 2026, Accession Number 0001062993-26-003399 (the "Initial Report"), is being filed in order to incorporate Exhibit 99.1 filed as part of the Initial Report into the Registrant's Registration Statement on Form F-3 (File No. 333-278886). Except as set forth herein, there are no other changes to the Initial Report.


DOCUMENTS INCORPORATED BY REFERENCE

Exhibit 99.1 included with this Amendment No. 1 are hereby incorporated by reference into the Registrant's Registration Statement on Form F-3 (File No. 333-278886) and shall be deemed to be a part thereof from the date on which the Initial Report was furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

 

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: July 31, 2026 By /s/ Wendy Ford
    Wendy Ford
    Chief Financial Officer


EXHIBIT INDEX

Exhibit Description of Exhibit
   
99.1 Press release dated June 29, 2026 - Zentek Established Pathway to Sell ZenGuard™ Enhanced Air Filtration Media in the U.S. (incorporated by reference to Exhibit 99.1 to the Form 6-K, Accession Number 0001062993-26-003399)