4/5BIO KEY INTERNATIONAL INC (BKYI): Auditor change

Market data

Price before filing: $5.31 (2026-07-08 close, split/dividend-adjusted)
Market cap at flag: $3.3M (2026-07-09) · Latest: $2.7M (2026-10-16)

What happened next

Return from the last close before the filing date to the first close on/after the window end. Pending windows have not fully elapsed. Past performance says nothing certain about the future.

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 2026-04-10 to 2026-08-08. 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

"(the " Company ") approved the engagement of M&K CPAS, PLLC (" M&K ") as the Company's independent registered public accounting firm and on July 7, 2026, dismissed Bush & Associates CPA LLC (" Bush & Associates ") as the Company's independent registered public accounting firm."

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
New auditor: M&K CPAS, PLLC

Why this score: also within 90 days: Going-concern doubt, Late quarterly report (NT 10-Q)