Cytta Corp. replaces independent auditor with RBSM LLP

Cytta Corp. changed its independent auditor.

Accepted by SEC EDGAR 06/01/2026 - 02:26 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Cytta Corp. changed its independent auditor. The board dismissed Sadler, Gibb and Associates, LLC on May 28, 2026 and appointed RBSM LLP as the new independent registered public accounting firm for the fiscal year ending September 30, 2025.

Sadler previously reviewed the company’s quarterly financial statements for periods ending December 31, 2024, March 31, 2025, and June 30, 2025, and there were no reportable events as defined in Regulation S-K. Sadler had not completed audit procedures or issued any report on the September 30, 2025 financial statements. Cytta states it has not consulted RBSM on accounting principles, potential audit opinions, disagreements, or reportable events prior to this appointment.

8-K Event Classification

Item 4.01 — Changes in Registrant's Certifying Accountant

1 item

Item 4.01 Changes in Registrant's Certifying Accountant Governance

The company changed its independent auditing firm, which may involve disagreements on accounting matters.

Key Figures

Auditor dismissal date: May 28, 2026 New auditor fiscal year: Year ending September 30, 2025 Interim review period end: December 31, 2024 +2 more

5 metrics

Auditor dismissal date May 28, 2026 Board dismissed Sadler, Gibb and Associates, LLC

New auditor fiscal year Year ending September 30, 2025 First year for RBSM LLP engagement

Interim review period end December 31, 2024 Quarterly financial statements reviewed by Sadler

Interim review period end March 31, 2025 Quarterly financial statements reviewed by Sadler

Interim review period end June 30, 2025 Quarterly financial statements reviewed by Sadler

Key Terms

independent registered public accounting firm, reportable events, disagreement, Emerging growth company, +1 more

5 terms

independent registered public accounting firm financial

"dismissed Sadler, Gibb and Associates, LLC as the Company’s independent registered public accounting firm"

An independent registered public accounting firm is an outside accounting company officially registered with the government regulator to examine and report on a public company's financial records and controls. Investors treat its reports like an impartial inspector’s certificate — they add credibility to financial statements, help spot errors or misleading claims, and reduce the risk that shareholders are relying on unchecked or biased numbers.

reportable events regulatory

"there were no reportable events (as defined in Item 304(a)(1)(v) of Regulation S-K)"

Reportable events are significant incidents or changes a company is legally required to disclose to regulators and the public, such as major safety problems, legal actions, financial irregularities, or management changes. They matter to investors because these events can alter a company’s risk profile or future performance, much like a dashboard warning light signals a problem that could affect a car’s safety or reliability. Timely disclosure helps investors make informed decisions and maintain market fairness.

disagreement regulatory

"any matter that was the subject of a disagreement (as that term is defined in Item 304(a)(1)(iv) of Regulation S-K)"

Emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Regulation S-K regulatory

"as defined in Item 304(a)(1)(v) of Regulation S-K"

A set of U.S. Securities and Exchange Commission rules that tell public companies which narrative and qualitative details must be disclosed in filings, such as risk factors, management discussion, executive pay, legal proceedings and business description. Think of it as a standardized checklist or blueprint that ensures investors get the same types of background information from every company so they can compare risks, management quality and strategy before making investment decisions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change did Cytta Corp. (CYCA) make to its independent auditor?

Cytta Corp. dismissed Sadler, Gibb and Associates, LLC and appointed RBSM LLP as its new independent registered public accounting firm for the fiscal year ending September 30, 2025. This change was approved by the board of directors on May 28, 2026.

Were there any reportable events with Cytta Corp.’s former auditor Sadler?

Cytta Corp. states there were no reportable events with Sadler as defined in Item 304(a)(1)(v) of Regulation S-K. Sadler’s engagement covered quarterly reviews for periods ending December 31, 2024, March 31, 2025, and June 30, 2025, but not a completed 2025 audit.

Did Sadler complete Cytta Corp.’s audit for the year ended September 30, 2025?

Sadler did not complete audit procedures or issue any report on Cytta Corp.’s financial statements for the year ended September 30, 2025. Its work was limited to reviews of specified interim quarterly financial statements before the auditor change.

Has Cytta Corp. consulted RBSM LLP before appointing it as auditor?

Cytta Corp. reports it has not consulted RBSM LLP on applying accounting principles, potential audit opinions, disagreements, or reportable events before RBSM’s appointment. This applies to the company’s two most recent fiscal years and interim periods through June 30, 2025.

For which periods did Sadler review Cytta Corp.’s financial statements?

Sadler reviewed Cytta Corp.’s quarterly financial statements for the periods ending December 31, 2024, March 31, 2025, and June 30, 2025. These engagements were reviews of interim financials, not a completed annual audit for the fiscal year ending September 30, 2025.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

May 28, 2026

Date of Report

(Date of earliest event reported)

CYTTA CORP.

(Exact name of registrant as specified in its charter)

Nevada		000-55976		98-0505761
(State or other jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

5450 W Sahara Avenue, Suite 300A

Las Vegas, NV 89146

(Address of principal executive offices, including zip code)

(702) 900-7022

(Registrant’s telephone number, including area code)

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
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
None		N/A		N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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 4.01 Change in Registrant’s Certifying Accountant

(a) Dismissal of Previous Independent Registered Public Accounting Firm

On May 28^th, 2026, the Board of Directors of Cytta Corp. (the “Company”) dismissed Sadler, Gibb and Associates, LLC (“Sadler”) as the Company’s independent registered public accounting firm.

During the Company’s fiscal year ended September 30, 2025, Sadler’s engagement by the Company consisted of conducting reviews of the Company’s quarterly financial statements for the periods ending December 31, 2024, March 31, 2025, and June 30^th, 2025, and there were no reportable events (as defined in Item 304(a)(1)(v) of Regulation S-K). Sadler had not completed its audit procedures or issued any reports on the Company’s September 30, 2025, Financial Statements.

The Company provided Sadler with a copy of the disclosures it is making in this Current Report on Form 8-K and requested that Sadler furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether it agrees with the statements made by the Company herein and, if not, stating the respects in which it does not agree.

(b) Appointment of a New Independent Registered Public Accounting Firm

On May 28^th, 2026, the Board of Directors approved the appointment of RBSM LLP. (“RBSM”) as the Company’s new independent registered public accounting firm commencing for its fiscal year ending September 30, 2025.

In connection with the Company’s appointment of RBSM as the Company’s independent registered public accounting firm, the Company has not consulted RBSM on any matter relating to either (i) the application of accounting principles to a specific transaction, either completed or contemplated, or the type of audit opinion that might be rendered on the Company’s financial statements or (ii) any matter that was the subject of a disagreement (as that term is defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) or a “reportable event” (as that term is defined in Item 304(a)(1)(v) of Regulation S-K).

During the Company’s two most recent fiscal years ended September 30, 2024, and 2023, and the subsequent interim periods through June 30, 2025, neither the Company nor anyone acting on its behalf consulted with RBSM regarding any of the matters described in Items 304(a)(2)(i) and (ii) of Regulation S-K.

2

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 hereunto duly authorized.

	Cytta Corp.
June 1, 2026	By:	/s/ Gary Campbell
	Name:	Gary Campbell
	Title:	Chief Executive Officer

3

Filing Exhibits & Attachments

5 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 4.9 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 12.9 KB
• EX-101 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE 898 B
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 8.1 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE 2.0 KB