Did Cyber Enviro-Tech (CETI) attach any exhibits related to the CFO change?

Yes. The company listed Exhibit 99.1 as Deborah Casper-Stone’s resignation letter. It also identified Exhibit 104 as the cover page interactive data file embedded within the Inline XBRL document, accompanying the disclosure of the management change.

Cyber Enviro-Tech (CETI) CFO resigns as company reappoints former finance chief

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

Cyber Enviro-Tech, Inc. reported a leadership change in its finance organization. On April 30, 2026, Deborah Casper‑Stone resigned as Chief Financial Officer, effective the same day, and provided a resignation letter confirming her departure.

On that same date, the company reappointed Dan Leboffe as Chief Financial Officer, effective immediately. He previously served as CETI’s CFO for over four years until March 17, 2026 and had been serving on the company’s Advisory Board between that date and his reappointment. Deborah Casper‑Stone agreed to join the Advisory Board and to be available on a limited consulting basis to assist with financial reporting.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Key Terms

Chief Financial Officer, Advisory Board, Item 5.02, resignation letter, +1 more

5 terms

Chief Financial Officer financial

"Deborah Casper-Stone resigned from her position as Chief Financial Officer of Cyber Enviro-Tech, Inc."

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

Advisory Board financial

"Deborah has agreed to serve on the Company’s Advisory Board and her resignation letter is attached."

Item 5.02 regulatory

"Item 5.02 – Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers"

resignation letter regulatory

"Deborah has agreed to serve on the Company’s Advisory Board and her resignation letter is attached."

Inline XBRL document technical

"104 | Cover Page Interactive Data File (embedded within the Inline XBRL document)"

Understanding 8-K Material Events →

05/08/2026 - 04:32 PM

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 30, 2026

Cyber Enviro-Tech, Inc.

Exact name of Registrant as Specified in its Charter

Wyoming		333-267560		86-3601702
State or Other Jurisdiction of Incorporation		Commission File Number		IRS Employer Identification Number

6991 E. Camelback Road, Suite D-300

Scottsdale, Arizona 85251

Address of Principal Executive Offices, Including Zip Code

307-200-2803

Registrant's Telephone Number, Including Area Code

Not applicable

Former name or former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Class A Common Stock		CETI		OTCQB

Indicate by check mark whether the registrant is an emerging growth company as defined in in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Item 5.02 – Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

(b) Resignation of Chief Financial Officer

On April 30, 2026, Deborah Casper-Stone resigned from her position as Chief Financial Officer of Cyber Enviro-Tech, Inc. (the “Company”), effective the same date. Deborah has agreed to serve on the Company’s Advisory Board and her resignation letter is attached.

On April 30, 2026, the Company reappointed Dan Leboffe as its Chief Financial Officer, effective immediately. Dan had been CETI’s CFO for over four years until March 17, 2026 and between then and now had served on the Company’s Advisory Board.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.	Description
99.1	Resignation Letter
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

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 hereunto duly authorized.

	CYBER ENVIRO-TECH, INC.


	By:	/s/ Kim D. Southworth
Date: May 8, 2026	Name:	Kim D. Southworth, Chief Executive Officer

Exhibit 99.1

Dear Mr. Southworth,

Please accept this letter as formal notice of my resignation from my position as Chief Financial Officer of Cyber Enviro Tech, effective April 30, 2026.

I appreciate the opportunity to have served the company.

I will be available on a consultant basis with limited availability to assist with financial reporting as you need.

Thank you again for the opportunity. I continue to wish the company success.

Sincerely,

Deborah Casper-Stone

Source: View Original Filing on SEC EDGAR

FAQ

What executive change did Cyber Enviro-Tech (CETI) disclose in this 8-K?

Cyber Enviro-Tech disclosed that Deborah Casper-Stone resigned as Chief Financial Officer effective April 30, 2026. On the same date, the company reappointed former CFO Dan Leboffe to the role, restoring a leader who previously served as CFO for over four years.

When did Deborah Casper-Stone resign as Cyber Enviro-Tech (CETI) CFO?

Deborah Casper-Stone resigned as Chief Financial Officer effective April 30, 2026. Her resignation was formalized in a letter addressed to CEO Kim D. Southworth, in which she also expressed appreciation for the opportunity to serve the company.

Who is the new Chief Financial Officer of Cyber Enviro-Tech (CETI)?

Cyber Enviro-Tech reappointed Dan Leboffe as Chief Financial Officer effective April 30, 2026. He previously held the CFO role for over four years until March 17, 2026 and had been serving on the company’s Advisory Board before returning to the CFO position.

What role will former CFO Deborah Casper-Stone have at Cyber Enviro-Tech (CETI)?

After resigning as CFO, Deborah Casper-Stone agreed to serve on Cyber Enviro-Tech’s Advisory Board. In her resignation letter, she also offered to be available on a consultant basis with limited availability to assist with financial reporting as needed.

Where is Cyber Enviro-Tech (CETI) headquartered and what is its trading symbol?

Cyber Enviro-Tech’s principal executive offices are located at 6991 E. Camelback Road, Suite D-300, Scottsdale, Arizona 85251. Its Class A Common Stock trades under the symbol CETI on the OTCQB marketplace, as stated in the disclosure.

Filing Exhibits & Attachments

4 documents

Press Releases

EX-99 RESIGNATION LETTER 2.2 KB