PLUS THERAPEUTICS, INC. (PSTV) IPO — S-1 Filing, Stock & Insider Activity

PLUS THERAPEUTICS, INC. IPO — Status & S-1 Filing

Ticker: PSTV
Status: Registered — S-1 filed with the SEC
S-1 filed: 2026-01-09
Exchange: NASDAQ
Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
Shares offered: 22,321,429
SEC CIK: 0001095981 · View the S-1 on SEC EDGAR →

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-07-01

PLUS THERAPEUTICS, INC. (PSTV) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 4 Form 8-K material event filings were reported by PSTV in the last 90 days. InsiderAlpha tracks every PSTV SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About PLUS THERAPEUTICS, INC. (PSTV)

SIC classification	Surgical & Medical Instruments & Apparatus (SIC 3841)
SEC CIK	0001095981

90-Day SEC Filing Activity

Form 4 filings (90d)	15
Form 8-K filings (90d)	4
Latest Form 4 filing	2026-07-01

Recent PSTV Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-07-01	Sims Andrew John Hugh MacIntyre	Chief Financial Officer	M — Option exercise	287	$0.00	—	SEC
2026-07-01	Guse Kyle	Insider	M — Option exercise	922	$0.00	—	SEC
2026-07-01	ANDREWS RONALD ASBURY	Insider	M — Option exercise	922	$0.00	—	SEC
2026-07-01	van Es-Johansson An	Insider	M — Option exercise	922	$0.00	—	SEC
2026-07-01	HEDRICK MARC H	Chief Executive Officer	M — Option exercise	6.4K	$0.00	—	SEC
2026-07-01	HEDRICK MARC H	Chief Executive Officer	M — Option exercise	8.1K	$0.00	—	SEC
2026-07-01	HEDRICK MARC H	Chief Executive Officer	M — Option exercise	2.0K	$0.00	—	SEC
2026-07-01	Clowes Howard	Insider	M — Option exercise	922	$0.00	—	SEC
2026-07-01	Hawkins Richard J	Insider	M — Option exercise	922	$0.00	—	SEC
2026-07-01	Sims Andrew John Hugh MacIntyre	Chief Financial Officer	M — Option exercise	1.5K	$0.00	—	SEC
2026-07-01	Sims Andrew John Hugh MacIntyre	Chief Financial Officer	M — Option exercise	1.2K	$0.00	—	SEC
2026-04-01	HEDRICK MARC H	Chief Executive Officer	M — Option exercise	201.6K	$0.00	—	SEC
2026-04-01	Sims Andrew John Hugh MacIntyre	Chief Financial Officer	M — Option exercise	38.3K	$0.00	—	SEC
2026-04-01	Sims Andrew John Hugh MacIntyre	Chief Financial Officer	M — Option exercise	29.1K	$0.00	—	SEC
2026-04-01	HEDRICK MARC H	Chief Executive Officer	M — Option exercise	159.7K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for PLUS THERAPEUTICS, INC. (PSTV). Updated in real time as new filings are submitted to the SEC.

Most-Active PSTV Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
HEDRICK MARC H	8	—
Sims Andrew John Hugh MacIntyre	8	—
ANDREWS RONALD ASBURY	5	—
Guse Kyle	4	—
Clowes Howard	4	—

Recent PSTV Form 8-K Material Events

2026-06-05 — Item 1.01, 9.01 [SEC]
2026-05-15 — Item 5.07 [SEC]
2026-05-15 — Item 2.02, 9.01 [SEC]
2026-04-21 — Item 8.01, 9.01 · Regulatory · positive [SEC]
Plus Therapeutics regained compliance with Nasdaq's minimum bid price requirement following a 1-for-25 reverse stock split that became effective on April 2, 2026. The company received written notification from Nasdaq on April 20, 2026 confirming it had resolved the listing defici
2026-04-09 — Item 5.02, 9.01 · Leadership · positive [SEC]
Plus Therapeutics appointed Dr. Eric J. Daniels as Chief Development Officer effective April 20, 2026. Dr. Daniels brings extensive pharmaceutical development experience from his prior role as CDO at Kiora Pharmaceuticals and co-founding experience at multiple biotech companies.

Recent Insider Filings

2026-07-01 — ANDREWS RONALD ASBURY (Insider)
2026-07-01 — Guse Kyle (Insider)
2026-07-01 — van Es-Johansson An (Insider)
2026-07-01 — HEDRICK MARC H (Chief Executive Officer)
2026-07-01 — Clowes Howard (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in PSTV insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

PSTV Insider Trading — FAQ

What is the latest insider trade for PSTV?: PLUS THERAPEUTICS, INC. (PSTV) had 15 insider filings in the last 90 days, with the most recent on 2026-07-01. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying PSTV stock?: 0 insider purchases of PSTV were filed in the last 90 days.
How many insiders are selling PSTV stock?: 0 insider sales of PSTV were filed in the last 90 days.
Where can I see PSTV SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every PSTV SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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