THUNDER MOUNTAIN GOLD INC 8-K

What Happened
Thunder Mountain Gold Inc. announced that Assure CPA, LLC resigned as its independent registered public accounting firm because Assure merged into Sadler Gibb & Associates LLC under an asset purchase agreement. The Company was notified on June 3, 2026; the Audit Committee approved Assure’s resignation on June 3 and approved the engagement of Sadler Gibb & Associates LLC on June 4, 2026. The company filed a letter from Assure CPA dated June 5, 2026 as Exhibit 16.1.

Key Details

• Assure CPA, LLC ceased operating as a public accounting firm after merging into Sadler Gibb & Associates LLC (notification: June 3, 2026).
• Sadler Gibb & Associates LLC was engaged as Thunder Mountain’s independent registered public accounting firm for the fiscal year ending 2026 (Audit Committee approval: June 4, 2026).
• Assure’s audit reports for the fiscal years ended 2024 and 2025 were not qualified or adverse, but each included an explanatory paragraph expressing substantial doubt about the Company’s ability to continue as a going concern.
• For fiscal years 2024 and 2025 and the interim period through May 31, 2026, there were no disagreements or “reportable events” between the Company and Assure; the Company has requested Assure’s concurrence letter (filed as Exhibit 16.1). The Company did not consult Sadler Gibb on accounting matters during that period.

Why It Matters
A change in independent auditor can affect investor confidence and future audit reporting. Here, the change resulted from Assure CPA’s merger and not from a dispute over accounting or auditing matters—Assure’s prior reports were clean of qualifications except for going-concern disclosures. Investors should note the new auditor (Sadler Gibb & Associates) will audit the Company’s 2026 financial statements, and should watch upcoming filings for any differences in audit opinion, disclosures, or additional commentary on the Company’s going-concern status.