SeaStar Medical Holding Ownership & Insider Activity

SeaStar Medical Holding (ICU) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 13.5% of shares outstanding. Institutional investors hold 2.1%. Over the past 90 days, insiders made 1 purchase worth $2K.

Shares Outstanding

5.261M

Shares Float

5.235M

Insider Shares Owned

572.988K

Insider % Owned

13.5%

Institutional Shares Held

109.752K

Institutional % Held

2.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$2K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$2K

SeaStar Medical Holding Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 18, 2026	Michael Messinger	CHIEF FINANCIAL OFFICER	BUY	750.000	$3.27	$2K