Plus Therapeutics, Inc.

PSTVNASDAQHealthcare● Active

$5.70

+$0.17(+2.98%)

Market Cap$13779645

P/E Ratio—

52W High$23.5

52W Low$2.9

Avg Volume309K

Open$5.41

Beta1.37

Overview

Plus Therapeutics, Inc. (PSTV) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · PSTV · as of Jun 9, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

∞

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

Plus Therapeutics, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 9, 2026

PSTV insider buying and selling by quarter

PSTV insider selling · PSTV insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

11.2M5.6M0

2024 Q2

2024 Q3

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 9, 2026

Active insiders

Most active in past 12 months · PSTV ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

PSTV executive sell shares · PSTV board member insider trading · PSTV insider trading SEC filing

Showing 30 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Apr 1, 2026	Sims Andrew John Hugh MacIntyre CFO	Option	29,129	—	—	173,913	Form 4
Apr 1, 2026	Sims Andrew John Hugh MacIntyre CFO	Option	38,323	—	—	144,784	Form 4
Apr 1, 2026	HEDRICK MARC H CEO · Director	Option	201,632	—	—	701,100	Form 4
Apr 1, 2026	HEDRICK MARC H CEO · Director	Option	159,681	—	—	499,468	Form 4
Jan 1, 2026	HEDRICK MARC H CEO · Director	Option	159,681	—	—	339,787	Form 4
Jan 1, 2026	Sims Andrew John Hugh MacIntyre CFO	Option	38,323	—	—	106,461	Form 4
Nov 4, 2025	Sims Andrew John Hugh MacIntyre CFO	Purchase	20,000	$0.51	$10K	68,138	Form 4
Oct 1, 2025	HEDRICK MARC H CEO · Director	Option	159,681	—	—	180,106	Form 4
Oct 1, 2025	Sims Andrew John Hugh MacIntyre CFO	Option	38,323	—	—	48,138	Form 4
Aug 22, 2025	Lenk Robert P Director	Purchase	110,000	$0.49	$54K	139,327	Form 4
Sep 13, 2024	Hawkins Richard J Director	Purchase	4,000	$1.50	$6K	15,188	Form 4
Sep 12, 2024	Hawkins Richard J Director	Purchase	6,285	$1.35	$9K	11,188	Form 4
Sep 11, 2024	Petersen Greg Director	Purchase	12,500	$1.35	$17K	48,921	Form 4
Sep 11, 2024	Clowes Howard Director	Purchase	5,000	$1.34	$7K	26,497	Form 4
Sep 10, 2024	HEDRICK MARC H CEO · Director	Purchase	8,000	$1.23	$10K	20,425	Form 4
Sep 10, 2024	Sims Andrew John Hugh MacIntyre CFO	Purchase	4,098	$1.27	$5K	9,815	Form 4
May 8, 2024	Sims Andrew John Hugh MacIntyre CFO	Purchase	4,902	$2.04	$10K	5,717	Form 4
May 8, 2024	HEDRICK MARC H CEO · Director	Purchase	12,255	$2.04	$25K	12,425	Form 4
May 8, 2024	Petersen Greg Director	Purchase	12,255	$2.04	$25K	36,421	Form 4
May 8, 2024	Clowes Howard Director	Purchase	9,804	$2.04	$20K	21,497	Form 4
May 8, 2024	Hawkins Richard J Director	Purchase	4,902	$2.04	$10K	4,903	Form 4
May 8, 2024	Lenk Robert P Director	Purchase	4,167	$2.04	$9K	29,327	Form 4
Nov 20, 2023	HEDRICK MARC H CEO · Director	Sale	2,068	$1.96	$4K	170	Form 4
Nov 16, 2023	Lenk Robert P Director	Purchase	1,000	$1.95	$2K	25,160	Form 4
Nov 15, 2023	Lenk Robert P Director	Purchase	1,000	$1.77	$2K	24,160	Form 4

Sims Andrew John Hugh MacIntyre

CFO

Option

Date

Apr 1

29,129

Price

—

Value

—

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Option

Date

Apr 1

38,323

Price

—

Value

—

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Option

Date

Apr 1

201,632

Price

—

Value

—

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Option

Date

Apr 1

159,681

Price

—

Value

—

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Option

Date

Jan 1

159,681

Price

—

Value

—

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Option

Date

Jan 1

38,323

Price

—

Value

—

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Purchase

Date

Nov 4

20,000

Price

$0.51

Value

$10K

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Option

Date

Oct 1

159,681

Price

—

Value

—

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Option

Date

Oct 1

38,323

Price

—

Value

—

View Form 4 on SEC.gov

Lenk Robert P

Director

Purchase

Date

Aug 22

110,000

Price

$0.49

Value

$54K

View Form 4 on SEC.gov

Hawkins Richard J

Director

Purchase

Date

Sep 13

4,000

Price

$1.50

Value

$6K

View Form 4 on SEC.gov

Hawkins Richard J

Director

Purchase

Date

Sep 12

6,285

Price

$1.35

Value

$9K

View Form 4 on SEC.gov

Petersen Greg

Director

Purchase

Date

Sep 11

12,500

Price

$1.35

Value

$17K

View Form 4 on SEC.gov

Clowes Howard

Director

Purchase

Date

Sep 11

5,000

Price

$1.34

Value

$7K

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Purchase

Date

Sep 10

8,000

Price

$1.23

Value

$10K

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Purchase

Date

Sep 10

4,098

Price

$1.27

Value

$5K

View Form 4 on SEC.gov

Sims Andrew John Hugh MacIntyre

CFO

Purchase

Date

May 8

4,902

Price

$2.04

Value

$10K

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Purchase

Date

May 8

12,255

Price

$2.04

Value

$25K

View Form 4 on SEC.gov

Petersen Greg

Director

Purchase

Date

May 8

12,255

Price

$2.04

Value

$25K

View Form 4 on SEC.gov

Clowes Howard

Director

Purchase

Date

May 8

9,804

Price

$2.04

Value

$20K

View Form 4 on SEC.gov

Hawkins Richard J

Director

Purchase

Date

May 8

4,902

Price

$2.04

Value

$10K

View Form 4 on SEC.gov

Lenk Robert P

Director

Purchase

Date

May 8

4,167

Price

$2.04

Value

$9K

View Form 4 on SEC.gov

HEDRICK MARC H

CEO · Director

Sale

Date

Nov 20

2,068

Price

$1.96

Value

$4K

View Form 4 on SEC.gov

Lenk Robert P

Director

Purchase

Date

Nov 16

1,000

Price

$1.95

Value

$2K

View Form 4 on SEC.gov

Lenk Robert P

Director

Purchase

Date

Nov 15

1,000

Price

$1.77

Value

$2K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 2

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About PSTV insider trading

PSTV insider trades

Plus Therapeutics, Inc. (PSTV) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Sims Andrew John Hugh MacIntyre (CFO), HEDRICK MARC H (CEO · Director), Lenk Robert P (Director). Over the past 12 months, 3 insiders have filed transactions with the SEC. PSTV insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Plus Therapeutics, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

PSTV insider trading · 5 questions

The insiders of Plus Therapeutics, Inc. (PSTV) include executives and directors such as Sims Andrew John Hugh MacIntyre (CFO), HEDRICK MARC H (CEO · Director), Lenk Robert P (Director), among others. Over the past 12 months, 3 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

PSTV board member insider tradingwho are PSTV insidersPSTV insider rosterPlus Therapeutics, Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026