4/5Black Rock Petroleum Co: Auditor change

Market data

n/a: no ticker symbol on the filing.

Insider trading around this filing

90 days before the flag: no open-market insider sales or purchases reported.
30 days after: none reported.

Open-market purchases and sales (Form 4 codes P and S) by officers, directors and 10% owners, by transaction date, from 2026-04-23 to 2026-08-21. Excludes option exercises, grants, gifts and tax withholding. Amended filings replace the originals; joint filings count once. Foreign private issuers do not file Form 4. Many insider sales are pre-scheduled (10b5-1 plans) and are not by themselves a sign of wrongdoing.

Verified excerpt

"On March 11, 2024, the Company was informed that Gries and Associates, LLC ("Gries") had sold its business to GreenGrowth CPAs ("GreenGrowth")."

Quoted from the filing. Source

What this means

The company changed its outside auditor (8-K Item 4.01). A dismissal or resignation, especially near an annual report or with reported disagreements, is a warning sign. Changes caused by audit firms merging are usually routine.

Type: dismissed
Disagreements reported: no
Former auditor: Gries and Associates, LLC

Why this score: also within 90 days: Going-concern doubt