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

PLUS THERAPEUTICS, INC.

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.

item 4.01 item 9.01

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