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8-KThe Red FlagsRed Alert

Auditor Change

Filed Jun 22, 2026 · 7d ago · Accession 0001437749-26-021336

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
ISTR
CIK
1602658
Form type
8-K
Filing date
Jun 22, 2026
Report date
Jun 17, 2026
Document
istr20260604_8k.htm
Size
161 KB