---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-26-003531"
form_type: "8-K"
ticker: "CYCA"
cik: "0001383088"
company_name: "CYTTA CORP."
filed_at: "2026-06-01T18:26:36+00:00"
generated_at: "2026-06-01T18:28:17.243250+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Cytta Corp. dismisses auditor Sadler Gibb before FY2025 audit completion, appoints RBSM LLP

## Summary
- Board dismissed Sadler, Gibb and Associates as independent auditor on May 28, 2026.
- Sadler had not completed audit procedures or issued any report on FY2025 financial statements.
- No reportable events or disagreements occurred during Sadler's engagement.
- Appointed RBSM LLP as new auditor for fiscal year ending September 30, 2025, effective same day.
- Company had no prior consultations with RBSM on accounting principles or disagreements.

## SEC filing metadata
- accession: 0001477932-26-003531
- form_type: 8-K
- ticker: CYCA
- cik: 0001383088
- company_name: CYTTA CORP.
- filed_at: 2026-06-01T18:26:36+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1383088/000147793226003531/0001477932-26-003531-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1383088/000147793226003531/cyca_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-26-003531
- JSON: https://secwatch.observer/filing/0001477932-26-003531.json
- Plain text: https://secwatch.observer/filing/0001477932-26-003531.txt

## Source-grounded claims
- claim_id: 46386cb01bb736d83dc262fb0c04e4aa07397a29
  claim: CYTTA CORP. engaged RBSM LLP. as its auditor.
  evidence_excerpt: 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.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1383088/000147793226003531/0001477932-26-003531-index.htm
- claim_id: f5ce5ef1270b569aabf85fe8f3361c16f6e0e3a3
  claim: CYTTA CORP. dismissed Sadler, Gibb and Associates, LLC as its auditor.
  evidence_excerpt: 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.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1383088/000147793226003531/0001477932-26-003531-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.