Andrew John Hugh MacIntyre Sims - 01 Jul 2026 Form 4 Insider Report for PLUS THERAPEUTICS, INC. (PSTV)

Reporting relationship: Chief Financial Officer
Issuer ticker: PSTV
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jul 2026, 16:30:08 UTC
Prior SEC filing: 18 May 2026
Source filing: View source filing
Reporting owner signature: Andrew Sims, as attorney-in-fact

Key filing fact

Andrew John Hugh MacIntyre Sims filed Form 4 for PLUS THERAPEUTICS, INC. (PSTV) on 01 Jul 2026.

Key facts

This page summarizes Andrew John Hugh MacIntyre Sims's Form 4 filing for PLUS THERAPEUTICS, INC. (PSTV).
6 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 01 Jul 2026, 16:30.

Change

Previous filing in this sequence was filed on 18 May 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 0001802687 Primary reporting owner

Sims Andrew John Hugh MacIntyre

Relationship: Chief Financial Officer
Address: C/O PLUS THERAPEUTICS INC., 6420 LEVIT GREEN BOULEVARD, SUITE 310, HOUSTON
Signature: Andrew Sims, as attorney-in-fact
Signature date: 01 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PSTV transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,533
Change %: +22%
Price: $0.000000^*
Shares after: 8,489
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1, F2

PSTV transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,165
Change %: +14%
Price: $0.000000^*
Shares after: 9,654
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1, F3

PSTV transaction

Common Stock

Options Exercise

Transaction value
Shares: +287
Change %: +3%
Price: $0.000000^*
Shares after: 9,941
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1, F4

Reported derivative securities

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

PSTV transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,533
Change %: -5.1%
Price: $0.000000^*
Shares after: 28,522
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,533
Exercise price: $0.000000
Footnotes: F2

PSTV transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,165
Change %: -4.1%
Price: $0.000000^*
Shares after: 27,357
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,165
Exercise price: $0.000000
Footnotes: F3

PSTV transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -287
Change %: -1%
Price: $0.000000^*
Shares after: 27,070
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 287
Exercise price: $0.000000
Footnotes: F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the issuer's Common Stock.

Footnote F2

Represents the vesting of an RSU grant which occurs in twelve substantially equal quarterly installments beginning on October 1, 2025.

Footnote F3

Represents the vesting of an RSU grant which occurs in twelve substantially equal quarterly installments beginning on April 1, 2026.

Footnote F4

Represents the vesting of an RSU grant which occurs in twelve substantially equal quarterly installments beginning on July 1, 2026.