Company: PSTV
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001140361-25-013256
Chunk: 0

Company: PLUS THERAPEUTICS, INC.
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 0
---
TABLE OF CONTENTS

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 |

#### TABLE OF CONTENTS

#### Notice of Special Meeting of Stockholders

#### and Proxy Statement

#### Virtual Special Meeting
<div align='center'>Friday, May 2, 2025

9:00 a.m. Eastern Time

www.virtualshareholdermeeting.com/PSTV2025SM

For further information, please contact Plus Therapeutics’ Investor Relations at https://ir.plustherapeutics.com/.</div>

TABLE OF CONTENTS

PLUS THERAPEUTICS, INC. 2710 Reed Rd, Suite 160 Houston, TX 77051 NOTICE OF SPECIAL MEETING OF STOCKHOLDERS To Be Held on May 2, 2025

| MEETING LOCATION:                            |
| www.virtualshareholdermeeting.com/PSTV2025SM |

Dear Plus Therapeutics, Inc. Stockholder: You are cordially invited to attend a Special Meeting of Stockholders of Plus Therapeutics, Inc. (the “Special Meeting”) on May 2, 2025, commencing at 9:00 a.m. Eastern Time. The Special Meeting will be a completely virtual meeting. The items of business for the meeting, as more fully described in the attached proxy statement, are: Proposal No.