THUNDER MOUNTAIN GOLD INC

CIK 711034 THMG·Mining · All EDGAR filings ↗

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An amendment is grouped with the report it amends; every 12b-25 notice is one group

Auditor change high SEC item code 2026-06-08

The auditor resigned. Assure CPA, LLC → Sadler, Gibb & Associates, LLC

Evidence

Going concern Filing comparison 2026-03-31

Substantial doubt about ability to continue as a going concern → No going-concern disclosure

Evidence

Blank check: No
Comparable: Yes
Current state: none
Current state label: No going-concern disclosure
Direction: eased
Prior filed: 2025-03-31
Prior form: 10-K/A
Prior state: substantial_doubt
Prior state label: Substantial doubt about ability to continue as a going concern
Source: ASC 205-40 going-concern note comparison
Why: Disclosure about the company's ability to continue as a going concern changed compared with its previous report.

Accounting standard newly cited Filing comparison 2026-03-31

Income Taxes The Company adopted ASU 2023-09, Improvements to Income Tax Disclosures, effective January 1, 2025.

Evidence

Adopted: 2023-09
Adoption year stated: 2025
Contexts: Income Taxes The Company adopted ASU 2023-09, Improvements to Income Tax Disclosures, effective January 1, 2025.
New standards: 2023-09, 2024-03
Prior filed: 2025-03-31
Prior form: 10-K/A
Restates existing policy: No
Source: accounting standards update (ASU) reference comparison
Why: An accounting standard (ASU) appears in this filing that did not appear in the previous comparable one, in a sentence describing it as adopted. That is a change in what the company discloses, which is not always a change of policy in the current period: the filing may state an adoption date years earlier.