---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-161239"
form_type: "8-K"
ticker: "PSTV"
cik: "0001095981"
company_name: "PLUS THERAPEUTICS, INC."
filed_at: "2025-07-18T23:59:59+00:00"
generated_at: "2026-05-18T05:33:49.217522+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Plus Therapeutics dismisses BDO, engages CBIZ as new auditor; prior reports note going concern

## Summary
- Audit committee dismissed BDO USA, P.C. as independent auditor on July 16, 2025.
- Engaged CBIZ CPAs P.C. as new independent registered public accounting firm effective immediately.
- BDO's 2023 and 2024 audit reports included a going-concern explanatory paragraph; no disagreements.
- Material weakness in internal control over grant revenue accounting was disclosed for FY2023.
- No reportable events or disagreements occurred during the two most recent fiscal years.

## SEC filing metadata
- accession: 0001193125-25-161239
- form_type: 8-K
- ticker: PSTV
- cik: 0001095981
- company_name: PLUS THERAPEUTICS, INC.
- filed_at: 2025-07-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1095981/000119312525161239/0001193125-25-161239-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1095981/000119312525161239/d45208d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-161239
- JSON: https://secwatch.observer/filing/0001193125-25-161239.json
- Plain text: https://secwatch.observer/filing/0001193125-25-161239.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.