NASDAQ·Pharmaceutical Preparations

PHIOPhio Pharmaceuticals Corp.

Phio Pharmaceuticals Corp. (PHIO) has delisting / deregistration notice and auditor change flags.

Last filing: filing·May 7, 2026EDGAR ↗

PHIO Risk Flags

Consolidated view of every risk_flag row PHIOhas surfaced across DredgeCap's extractor pipeline (auditor changes, late filings, delistings, going-concern, dilution, etc.). Each row carries a verbatim source_excerpt and links to the source SEC filing on EDGAR.

Category	Severity	Source	Excerpt	EDGAR
Delisting	medium	25-NSE · Dec 21, 2021	Form 25-NSE filed 2021-12-21 (accession 0001354457-21-001484) notifies SEC of the removal of a class of securities from listing. No companion Form 15 deregistration detected within 12 months (issuer remains a reporting company as of 2026-05…	view ↗
Auditor Change	low	10-K · Mar 5, 2026	PCAOB-tagged auditor in 10-K filed 2026-03-05 (accession 0001437749-26-007078) was 'GRANT THORNTON LLP' (PCAOB Firm ID: 248). Prior 10-K filed 2025-03-31 (accession 0001683168-25-002134) was 'BDO USA, P.C.' (PCAOB Firm ID: 243).	view ↗

Related on PHIO

Auditor & opinion →

Source for auditor_change + going-concern flags.

Share-count dilution →

Source for dilution + convertible-debt flags.

Risk-flag rows are produced by DredgeCap's extractor pipeline (lib/extract-auditor-changes, extract-late-filings, etc.). Each row carries a verbatim source_excerpt from the underlying SEC filing — no AI-generated language. Refresh runs daily. Not financial advice.