Core Insights - Plus Therapeutics, Inc. is expanding its team at CNSide Diagnostics, LLC to enhance its capabilities in the CNS cancer diagnostics market, which is valued at over $6 billion in the U.S. [2][7] - The company is making progress towards a national launch and expanding test coverage, with plans for additional agreements with payors beyond existing contracts with UnitedHealthcare and Humana [2][8] Team Expansion - Mr. Prem Gurnani has been appointed as Senior Director of Lab Operations and Systems Implementation, bringing over 16 years of experience in diagnostics and clinical operations [8] - Ms. Elaine Luckey joins as Director of Quality and Regulatory Affairs, with over 20 years of experience in quality and regulatory affairs in laboratory environments [8] Equity Grants - The company granted stock options to Mr. Gurnani and Ms. Luckey, allowing them to purchase up to 33,750 shares each, with an exercise price equal to the closing stock price on December 4, 2025 [4][6] - Each executive also received 11,250 restricted stock units (RSUs), which will vest over three years, with one-third vesting on January 1, 2027 [5][6] Company Overview - Plus Therapeutics is a clinical-stage pharmaceutical company focused on developing targeted radiotherapeutics for challenging CNS cancers, aiming to improve clinical outcomes [8][9] - The company is advancing a pipeline of product candidates, particularly in leptomeningeal metastases and recurrent glioblastoma, supported by strategic partnerships for development and manufacturing [9]

Core Points - Plus Therapeutics, Inc. has received an additional 180-day extension from Nasdaq to comply with the $1.00 minimum bid price requirement, now having until May 11, 2026, to meet this requirement [1][2] - The extension does not affect the current listing status of the company's common stock on the Nasdaq Capital Market under the symbol "PSTV" [2] - If the closing bid price reaches at least $1.00 per share for 10 consecutive business days during the extension period, Nasdaq will confirm compliance and close the matter [2] Company Overview - Plus Therapeutics is a clinical-stage pharmaceutical company based in Houston, Texas, focused on developing targeted radiotherapeutics for central nervous system cancers [4] - The company combines image-guided local beta radiation with targeted drug delivery approaches, advancing a pipeline of product candidates, particularly in leptomeningeal metastases and recurrent glioblastoma [4] - Plus Therapeutics has established a supply chain through strategic partnerships to support the development, manufacturing, and potential commercialization of its products [4] Subsidiary Information - CNSide Diagnostics, LLC, a wholly owned subsidiary of Plus Therapeutics, develops proprietary laboratory tests, including CNSide®, to identify tumor cells that have metastasized to the central nervous system [5] - The CNSide® CSF Assay Platform allows for quantitative analysis of cerebrospinal fluid, aiding in the management of patients with leptomeningeal metastases [5]

Core Insights - Plus Therapeutics, Inc. is advancing its commercial readiness and diagnostic capabilities through the launch of its subsidiary, CNSide Diagnostic LLC, focusing on a laboratory-developed test for cerebrospinal fluid tumor cell enumeration [1][2][3] Commercial Developments - The company has expanded its manufacturing footprint and made significant progress in commercial readiness, including the appointment of key leadership roles to drive the CNSide diagnostic business [2][3] - CNSide has signed a national policy agreement with UnitedHealthcare, providing coverage for over 51 million people in the U.S., marking a significant step in expanding payor coverage [3][4] Leadership Appointments - Russ Havranek has been promoted to Executive Vice President, Commercial and Corporate Strategy, while Daniel Ortega has been appointed Vice President, Development and Technical Operations, both expected to play crucial roles in the company's growth [2][3][4] - Havranek brings over 28 years of experience in developing and commercializing diagnostic and therapeutic products, while Ortega has nearly 20 years of experience in the pharmaceutical industry [4][7] Manufacturing and Operations - CNSide has secured a new state-of-the-art laboratory in Houston, which will support current and future commercial production needs and enhance collaboration opportunities [6][7] - The new facility is strategically located within the Texas Medical Center, the largest medical center globally, which will facilitate scientific advancement and clinical development [7][11] Product and Service Focus - CNSide Diagnostics develops proprietary laboratory-developed tests aimed at identifying tumor cells that have metastasized to the central nervous system, particularly for patients with carcinomas and melanomas [8] - The CNSide CSF Assay Platform allows for quantitative analysis of cerebrospinal fluid, improving patient management for those with leptomeningeal metastases [8][9]

Core Insights - Plus Therapeutics, Inc. announced positive data from a retrospective analysis of the CNSide CSF Assay Platform, which can quantify leptomeningeal metastases (LM) and monitor changes in targetable mutations over time [1][2] - The CNSide CSF Assay may catalyze the initiation of LM treatment and enable personalized cancer therapy by allowing real-time adaptation of treatment based on tumor biology [1][3] Company Overview - Plus Therapeutics is a clinical-stage pharmaceutical company focused on developing targeted radiotherapeutics for central nervous system cancers, with a pipeline that includes programs for leptomeningeal metastases and recurrent glioblastoma [6][7] - CNSide Diagnostics, LLC, a subsidiary of Plus Therapeutics, develops proprietary laboratory tests designed to identify tumor cells that have metastasized to the central nervous system [4] Research Findings - The analysis involved 613 CNSide assays ordered for 218 patients, with a significant majority (74%) being female and the most common cancers analyzed being breast (n=105) and lung (n=65) [2] - The CNSide CSF Assay demonstrated a diagnostic sensitivity 2.8 times greater than standard CSF cytology, influencing clinical management decisions in over 90% of LM cases [3][6] - The study found that 67% (412/613) of patients had detectable CSF tumor cells, with notable findings in patients undergoing multiple CSF draws [6] Clinical Implications - The CNSide CSF Assay can detect gene amplification in CSF tumor cells, providing therapeutic insights for targeting LM tumors [3] - Longitudinal analysis using CNSide may offer insights for modifying treatment strategies over time [3] Market Context - Leptomeningeal metastases occur in approximately 5% of patients with metastatic cancer, but postmortem studies suggest the frequency may be as high as 20%, indicating a need for more sensitive diagnostic options [5]