SeaStar Medical Holding ICU Insider Ownership

NASDAQ ICU
$4.02 +0.30 (+8.06%)
As of: Sep 30, 2026 · 2:50 PM EDT

Insider Holdings by Owner

692.93K Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
16.97%
▲+0.881% pp QoQ
Shares Held by Insiders
692.93K
filed for Sep 2026
▲+5.48% QoQ
Shares Outstanding
4.08Mn
4,084,283 shares
Direct Holdings
589.43K
Indirect: 103.50K
Net Shares Traded (QoQ)
+35.99K
net buying in Sep 2026
Insiders Holding Shares
19
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

As of September 29, 2026, the three largest insider holders of ICU are Employees' Pension Plan Trust Dow (TenPercentOwner, 177.99K shares), Carbide Employees' Pension Plan Trust Union (TenPercentOwner, 118.66K shares), Funding America, Inc. Lm (TenPercentOwner, 103.50K shares).

Form 4 Holdings

Insiders Holding ICU

Insiders 19
Shares held 692.93K
Of outstanding 16.97%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Employees' Pension Plan Trust Dow TenPercentOwner 177,994 0 177,994 25.7% 01 Nov, 2022
2 Carbide Employees' Pension Plan Trust Union TenPercentOwner 118,662 0 118,662 17.1% 01 Nov, 2022
3 Funding America, Inc. Lm TenPercentOwner 0 103,500 103,500 14.9% 01 Nov, 2022
4 Sponsor, Llc Lmfao TenPercentOwner 103,500 0 103,500 14.9% 01 Nov, 2022
5 Eric Schlorff Chief Executive Officer 50,534 0 50,534 7.3% 02 Jul, 2026
6 David A Green Chief Financial Officer 30,100 0 30,100 4.3% 16 Apr, 2024
7 Kevin Chung Chief Medical Officer 28,254 0 28,254 4.1% 02 Jul, 2026
8 John Neuman Director 16,568 0 16,568 2.4% 02 Jul, 2026
9 Heel Kenneth Van Director 12,138 0 12,138 1.8% 02 Jul, 2026
10 Jennifer A Baird Director 10,893 0 10,893 1.6% 02 Jul, 2026
11 Caryl Baron Interim Cfo 9,476 0 9,476 1.4% 29 Nov, 2023
12 Bradford K Towne Principal Accounting Officer 9,050 0 9,050 1.3% 10 Feb, 2026
13 Bernadette N Vincent Director 8,248 0 8,248 1.2% 02 Jul, 2026
14 Rick Barnett Director 3,467 0 3,467 0.5% 16 Apr, 2024
15 Michael Messinger Chief Financial Officer 2,570 0 2,570 0.4% 19 Aug, 2026
16 Richard D. Russell Director 2,412 0 2,412 0.3% 16 Apr, 2024
17 Allan Collins Director 2,174 0 2,174 0.3% 16 Apr, 2024
18 Bruce M. Rodgers Director 1,781 0 1,781 0.3% 16 Apr, 2024
19 Andres Lobo Director 1,612 0 1,612 0.2% 16 Apr, 2024

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

126 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
18 Aug, 2026 Michael Messinger Chief Financial Officer Acquired P 750 $3.27 $2.45K 2,500 Direct
01 Jul, 2026 Jennifer A Baird Director Acquired A 4,000 $0.00 $0 10,620 Direct
01 Jul, 2026 Heel Kenneth Van Director Acquired A 4,000 $0.00 $0 11,940 Direct
01 Jul, 2026 John Neuman Director Acquired A 4,000 $0.00 $0 16,200 Direct
01 Jul, 2026 Bernadette N Vincent Director Acquired A 4,000 $0.00 $0 8,200 Direct
01 Jul, 2026 Eric Schlorff Chief Executive Officer Acquired A 10,288 $0.00 $0 50,140 Direct
01 Jul, 2026 Kevin Chung Chief Medical Officer Acquired A 7,202 $0.00 $0 28,021 Direct
06 Feb, 2026 Kevin Chung Chief Medical Officer Acquired A 15,000 $0.00 $0 20,819 Direct
06 Feb, 2026 John Neuman Director Acquired A 3,000 $0.00 $0 12,200 Direct
06 Feb, 2026 Heel Kenneth Van Director Acquired A 3,000 $0.00 $0 7,940 Direct
06 Feb, 2026 Eric Schlorff Chief Executive Officer Acquired A 30,000 $0.00 $0 39,852 Direct
06 Feb, 2026 Bradford K Towne Principal Accounting Officer Acquired A 7,500 $0.00 $0 9,050 Direct
06 Feb, 2026 Bernadette N Vincent Director Acquired A 3,000 $0.00 $0 4,200 Direct
06 Feb, 2026 Jennifer A Baird Director Acquired A 3,000 $0.00 $0 6,620 Direct
19 Dec, 2025 Jennifer A Baird Director Acquired P 4,200 $58.78 $246.86K 145 Direct
09 Dec, 2025 Michael Messinger Chief Financial Officer Acquired P 14,500 $87.90 $1.27Mn 70 Direct
26 Aug, 2025 Heel Kenneth Van Director Acquired P 25,000 $222.48 $5.56Mn 158 Direct
27 Aug, 2025 Heel Kenneth Van Director Acquired P 10,000 $214.13 $2.14Mn 198 Direct
22 Aug, 2025 Kevin Chung Chief Medical Officer Acquired P 10,000 $200.00 $2.00Mn 233 Direct
04 Jun, 2025 Bernadette N Vincent Director Acquired M 2,667 $0.00 $0 32 Direct