Marc H. Hedrick - 14 May 2026 Form 4 Insider Report for PLUS THERAPEUTICS, INC. (PSTV)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: PSTV
Reported as of: 14 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 May 2026, 16:08:39 UTC
Prior SEC filing: 01 Apr 2026
Source filing: View source filing
Reporting owner signature: Andrew Sims, as attorney-in-fact

Key filing fact

Marc H. Hedrick filed Form 4 for PLUS THERAPEUTICS, INC. (PSTV) on 18 May 2026.

Key facts

This page summarizes Marc H. Hedrick's Form 4 filing for PLUS THERAPEUTICS, INC. (PSTV).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 18 May 2026, 16:08.

Change

Previous filing in this sequence was filed on 01 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001203672 Primary reporting owner

HEDRICK MARC H

Relationship: Chief Executive Officer, Director
Address: C/O PLUS THERAPEUTICS INC., 6420 LEVIT GREEN BOULEVARD, SUITE 310, HOUSTON
Signature: Andrew Sims, as attorney-in-fact
Signature date: 18 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PSTV transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +23,834
Change %: +16%
Price: $0.000000^*
Shares after: 170,037
Date: 14 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 23,834
Exercise price: $0.000000
Footnotes: F1

PSTV transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +23,834
Change %
Price: $0.000000^*
Shares after: 23,834
Date: 14 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 23,834
Exercise price: $5.76
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs awarded vest ratably over twelve quarters in substantially equal 1/12th increments, commencing with 1/12th vesting on July 1, 2026 and the remainder vesting quarterly thereafter.

Footnote F2

The options vest over four years in substantially equal 1/48th increments on each monthly anniversary of the issuance and vest on a change of control in accordance with the Optionee's employment agreement.