NASDAQ·Perfumes, Cosmetics & Other Toilet Preparations

UGUNITED GUARDIAN INC

UNITED GUARDIAN INC (UG) has auditor change and delisting / deregistration notice flags.

Last filing: filing·May 12, 2026EDGAR ↗

UG Risk Flags

Consolidated view of every risk_flag row UGhas 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
Auditor Change	high	10-K · Mar 22, 2024	PCAOB-tagged auditor in 10-K filed 2024-03-22 (accession 0001171843-24-001526) was 'GRASSI & CO., CPAs, P.C.' (PCAOB Firm ID: 606). Prior 10-K filed 2023-03-23 (accession 0001171843-23-001846) was 'Baker Tilly US, LLP' (PCAOB Firm ID: 23).	view ↗
Delisting	medium	25 · Mar 13, 2009	Form 25 filed 2009-03-13 (accession 0001171843-09-000241) 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 2026-05-15)…	view ↗

Related on UG

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.