• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form DEFA14A filed by PLUS THERAPEUTICS Inc.

    7/12/24 4:40:13 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care
    Get the next $PSTV alert in real time by email
    DEFA14A 1 edge20019156x3_defa14a.htm DEFA 14A

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
    SCHEDULE 14A
    Proxy Statement Pursuant to Section 14(a) of the
    Securities Exchange Act of 1934
     

    Filed by the Registrant ☒
     
    Filed by a Party other than the Registrant ☐
     
    Check the appropriate box:
     
    ☐
    Preliminary Proxy Statement
     
    ☐
    Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) 
     
    ☐
    Definitive Proxy Statement
     
    ☒
    Definitive Additional Materials
     
    ☐
    Soliciting Material under §240.14a-12
     
    Plus Therapeutics, Inc.
    (Name of Registrant as Specified In Its Charter)
     
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)
     
    Payment of Filing Fee (Check all boxes that apply):
     
    ☒
    No fee required
     
    ☐
    Fee paid previously with preliminary materials
     
    ☐
    Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11



     

    Plus Therapeutics, Inc.
    Supplement to the Definitive Proxy Statement
    for the 2024 Annual Meeting of Stockholders
    to be held on Thursday, August 15, 2024

    Supplement No. 1 to Definitive Proxy Statement Dated July 10, 2024
     
     
    Plus Therapeutics, Inc. (the “Company”) is filing this amendment and supplement (this “Supplement”) dated July 12, 2024 to its definitive proxy statement dated July 10, 2024 (the “Proxy Statement”), relating to the Company’s 2024 Annual Meeting of Stockholders (the “Annual Meeting”) to be held on August 15, 2024. We are providing this Supplement solely to clarify the total number of shares of Common Stock available for grant under the Plus Therapeutics, Inc. 2015 New Employee Incentive Plan, which is used for awards that are intended to constitute “employment inducement awards” under applicable Nasdaq listing rules.
     
    The total number of shares of Common Stock available for grant as of the close of business on July 5, 2024 under the Plus Therapeutics, Inc. 2015 New Employee Incentive Plan is 62,908, which is the number of available shares disclosed on page 30 of the Proxy Statement. Accordingly, the reference to 1,024 shares of Common Stock available for grant under the Plus Therapeutics, Inc. 2015 New Employee Incentive Plan on page 40 of the Proxy Statement under the heading “Information regarding Equity Incentive Program, Dilution and Overhang” is hereby replaced with 62,908 shares of Common Stock.
     
    This Supplement should be read in conjunction with the Proxy Statement. Except as specifically set forth in this Supplement, this Supplement does not change or update any of the other disclosures contained in the Proxy Statement. If you have already voted, you do not need to vote again unless you would like to change or revoke your prior vote on any proposal. If you would like to change or revoke your prior vote on any proposal, please refer to the Proxy Statement for instructions on how to do so. Capitalized terms used but not otherwise defined in this Supplement have the meanings assigned to those terms in the Proxy Statement. This Supplement should be read in conjunction with the Proxy Statement. From and after the date of this Supplement, any references to the “Proxy Statement” are to the Proxy Statement as supplemented hereby.


    Get the next $PSTV alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $PSTV

    DatePrice TargetRatingAnalyst
    2/3/2026$2.00Buy
    Lake Street
    9/3/2025$5.00Hold → Buy
    D. Boral Capital
    3/17/2025$9.00Buy
    D. Boral Capital
    More analyst ratings

    $PSTV
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Plus Therapeutics Provides Business Update on REYOBIQ™ Clinical Program and U.S. CNSide® Commercialization

    HOUSTON, Jan. 22, 2026 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) (the "Company"), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today provides a business update and highlights REYOBIQ clinical progress and CNSide US commercialization. "Our 2 key goals in 2026 are CNSide commercial scale-up and REYOBIQ pivotal trial readiness," said Dr. Marc H. Hedrick, President & Chief Executive of Plus Therapeutics. "Our recently completed upsized $15 million offering will fuel faster progress in these core areas of the business and extend our cash runway through 2027." Overview of anticipated

    1/22/26 7:45:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics to Provide Business Update and Host Conference Call on Thursday, January 22, 2026 at 9:00 A.M. ET

    HOUSTON, Jan. 21, 2026 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) (the "Company"), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today announces that the Company will provide a business update on Thursday, January 22, 2026 before the market open. Plus Therapeutics' management team will then host a conference call and webcast at 9:00 a.m. ET to discuss and provide additional details. Webcast and Conference Call Date/Time:Thursday, January 22, 2026 @ 9:00 AM ETWebcast:https://event.choruscall.com/mediaframe/webcast.html?webcastid=x5QZCyIkParticipant Dial-in:1-888-349-0106   Please di

    1/21/26 4:15:00 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics Announces Pricing of Upsized $15 Million Public Offering

    HOUSTON, Jan. 14, 2026 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) (the "Company"), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today announces the pricing of its underwritten public offering of 39,473,684 units, with each unit consisting of one share of common stock and one warrant (the "Warrants"). Each unit is being sold to the public at a price of $0.38 per unit. The gross proceeds to the Company from this offering are expected to be approximately $15 million, before deducting underwriting discounts and commissions and other estimated offering expenses. Each Warrant will be im

    1/14/26 8:00:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Lake Street initiated coverage on Plus Therapeutics with a new price target

    Lake Street initiated coverage of Plus Therapeutics with a rating of Buy and set a new price target of $2.00

    2/3/26 8:52:26 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics upgraded by D. Boral Capital with a new price target

    D. Boral Capital upgraded Plus Therapeutics from Hold to Buy and set a new price target of $5.00

    9/3/25 8:18:22 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    D. Boral Capital initiated coverage on Plus Therapeutics with a new price target

    D. Boral Capital initiated coverage of Plus Therapeutics with a rating of Buy and set a new price target of $9.00

    3/17/25 7:41:57 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    SEC Filings

    View All

    SEC Form 8-K filed by PLUS THERAPEUTICS Inc.

    8-K - PLUS THERAPEUTICS, INC. (0001095981) (Filer)

    1/22/26 7:30:35 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    SEC Form 8-K filed by PLUS THERAPEUTICS Inc.

    8-K - PLUS THERAPEUTICS, INC. (0001095981) (Filer)

    1/16/26 4:05:24 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    SEC Form 424B4 filed by PLUS THERAPEUTICS Inc.

    424B4 - PLUS THERAPEUTICS, INC. (0001095981) (Filer)

    1/14/26 4:02:19 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Executive Officer Hedrick Marc H converted options into 159,681 shares, increasing direct ownership by 89% to 339,787 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    1/2/26 4:30:06 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Chief Financial Officer Sims Andrew John Hugh Macintyre converted options into 38,323 shares, increasing direct ownership by 56% to 106,461 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    1/2/26 4:30:04 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Chief Financial Officer Sims Andrew John Hugh Macintyre bought $10,200 worth of shares (20,000 units at $0.51), increasing direct ownership by 42% to 68,138 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    11/5/25 8:30:03 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Financial Officer Sims Andrew John Hugh Macintyre bought $10,200 worth of shares (20,000 units at $0.51), increasing direct ownership by 42% to 68,138 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    11/5/25 8:30:03 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Director Lenk Robert P bought $53,779 worth of shares (110,000 units at $0.49), increasing direct ownership by 375% to 139,327 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    8/25/25 7:30:05 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Director Hawkins Richard J bought $5,996 worth of shares (4,000 units at $1.50), increasing direct ownership by 36% to 15,188 units (SEC Form 4)

    4 - PLUS THERAPEUTICS, INC. (0001095981) (Issuer)

    9/17/24 7:00:04 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Leadership Updates

    Live Leadership Updates

    View All

    Plus Therapeutics Updates on CNSide® Diagnostic Platform Launch

    Expands commercial readiness and diagnostic, manufacturing footprint Appoints new leadership in commercial strategy and technical operations HOUSTON, Oct. 21, 2025 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the "Company"), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system (CNS) cancers, announces continued operational execution and commercial progress in the launch of its wholly owned subsidiary, CNSide Diagnostic LLC's, Cerebrospinal Fluid (CSF) Tumor Cell Enumeration laboratory developed test (LDT). Recent accomplishments include expansion of the CNSide manufacturing footprint,

    10/21/25 7:30:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics Announces Biotech Industry Veteran Kyle Guse Joins its Board of Directors

    HOUSTON, April 23, 2025 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the "Company"), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system (CNS) cancers, announces the appointment of Kyle Guse, J.D., M.B.A. to the Company's Board of Directors where he will serve as chair of the Audit Committee and on the Compensation Committee. "Kyle's decades of financial, transactional and operational experience in our industry will make an immediate and positive impact to Plus' board of directors," said Marc H. Hedrick, M.D., Plus Therapeutics President and Chief Executive Officer. "Furthermore, in his

    4/23/25 8:00:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics Appoints Dr. Michael Rosol as Chief Development Officer

    AUSTIN, Texas, Feb. 20, 2025 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (Nasdaq: PSTV) (the "Company"), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system (CNS) cancers, today announced the appointment of Michael Rosol, Ph.D., as Chief Development Officer. Dr. Rosol will lead the company's clinical, pre-clinical, and biomarker development activities. "Plus is at an inflection point in our clinical development as we move from mid-stage to pivotal trials next year," said Marc H. Hedrick, M.D., Plus Therapeutics President and Chief Executive Officer. "Mike's background in oncology and radiotherapeutic

    2/20/25 7:30:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Financials

    Live finance-specific insights

    View All

    Plus Therapeutics Provides Business Update on REYOBIQ™ Clinical Program and U.S. CNSide® Commercialization

    HOUSTON, Jan. 22, 2026 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) (the "Company"), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today provides a business update and highlights REYOBIQ clinical progress and CNSide US commercialization. "Our 2 key goals in 2026 are CNSide commercial scale-up and REYOBIQ pivotal trial readiness," said Dr. Marc H. Hedrick, President & Chief Executive of Plus Therapeutics. "Our recently completed upsized $15 million offering will fuel faster progress in these core areas of the business and extend our cash runway through 2027." Overview of anticipated

    1/22/26 7:45:00 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics to Provide Business Update and Host Conference Call on Thursday, January 22, 2026 at 9:00 A.M. ET

    HOUSTON, Jan. 21, 2026 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) (the "Company"), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today announces that the Company will provide a business update on Thursday, January 22, 2026 before the market open. Plus Therapeutics' management team will then host a conference call and webcast at 9:00 a.m. ET to discuss and provide additional details. Webcast and Conference Call Date/Time:Thursday, January 22, 2026 @ 9:00 AM ETWebcast:https://event.choruscall.com/mediaframe/webcast.html?webcastid=x5QZCyIkParticipant Dial-in:1-888-349-0106   Please di

    1/21/26 4:15:00 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    Plus Therapeutics Reports Third Quarter Financial Results and Recent Business Highlights

    US market introduction of the CNSide® CSF diagnostics platform, with first national coverage agreement with UnitedHealthcare Presented positive RESPECT-LM Ph1 clinical trial results HOUSTON, Oct. 30, 2025 (GLOBE NEWSWIRE) -- Plus Therapeutics, Inc. (NASDAQ:PSTV) ("Plus" or the "Company"), a clinical-stage pharmaceutical company developing targeted radiotherapeutics with advanced platform technologies for central nervous system (CNS) cancers, today announces financial results for the third quarter ended September 30, 2025 and provides an overview of recent and upcoming business highlights. "Our team continues to execute solidly across the three most important business verticals: diagnost

    10/30/25 4:15:00 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    $PSTV
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G filed by PLUS THERAPEUTICS Inc.

    SC 13G - PLUS THERAPEUTICS, INC. (0001095981) (Subject)

    6/5/24 7:26:01 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    SEC Form SC 13G/A filed by PLUS THERAPEUTICS Inc. (Amendment)

    SC 13G/A - PLUS THERAPEUTICS, INC. (0001095981) (Subject)

    2/13/23 3:25:03 PM ET
    $PSTV
    Medical/Dental Instruments
    Health Care

    SEC Form SC 13G/A filed by PLUS THERAPEUTICS Inc. (Amendment)

    SC 13G/A - PLUS THERAPEUTICS, INC. (0001095981) (Subject)

    2/11/22 7:53:23 AM ET
    $PSTV
    Medical/Dental Instruments
    Health Care