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SEASTAR MEDCL (ICU)
NASDAQ
$3.04+$0.006 (+0.20%)
Price as of Sep 11, 2026 7:53 PM EDT- $13.4MMarket Cap
- -65.18%1-Year Change
- BiotechnologyIndustry
SEASTAR MEDCL (ICU)
$3.04+$0.006 (+0.20%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
HUDSON BAY CAPITAL MANAGEMENT LP | 21.99% | 624,005 | +624,005 (+100.00%) | Dec 31, 2022 |
COHEN & CO FINANCIAL MANAGEMENT, LLC | 21.97% | 623,400 | +623,400 (+100.00%) | Dec 31, 2022 |
VANGUARD GROUP INC | 13.30% | 377,377 | 0 (0.00%) | Dec 31, 2025 |
GEODE CAPITAL MANAGEMENT, LLC | 1.75% | 49,593 | -6,049 (-12.20%) | Jun 30, 2026 |
SFMG, LLC | 1.55% | 43,888 | +43,888 (+100.00%) | Dec 31, 2022 |
VANGUARD CAPITAL MANAGEMENT LLC | 1.17% | 33,091 | +4,300 (+12.99%) | Jun 30, 2026 |
UBS GROUP AG | 1.11% | 31,398 | +30,605 (+97.47%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY CONCORD STREET TRUST | 23.51% | 667,277 | 0 (0.00%) | May 31, 2026 |
VANGUARD INDEX FUNDS | 9.73% | 276,225 | 0 (0.00%) | Jun 30, 2026 |
Current Ownership Distribution
- Insiders19.6M (56.70%)
- Mutual Funds10.0M (29.09%)
- Institutions4.9M (14.22%)
- Other0 (0.00%)
Insider Transactions
- 56.70% (19.6M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $13,245.70Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Messinger Michael Chief Financial Officer | Buy | Aug 18, 2026 | $2,452.50 | 750 | $3.27 | 2,500 |
Neuman John | Award | Jul 01, 2026 | $0.00 | 4,000 | $0.00 | 16,200 |
Baird Jennifer A | Award | Jul 01, 2026 | $0.00 | 4,000 | $0.00 | 10,620 |
Schlorff Eric Chief Executive Officer | Award | Jul 01, 2026 | $0.00 | 10,288 | $0.00 | 50,140 |
Vincent Bernadette N | Award | Jul 01, 2026 | $0.00 | 4,000 | $0.00 | 8,200 |
Neuman John | Award | Feb 06, 2026 | $0.00 | 3,000 | $0.00 | 12,200 |
Vincent Bernadette N | Award | Feb 06, 2026 | $0.00 | 3,000 | $0.00 | 4,200 |
Chung Kevin Chief Medical Officer | Award | Feb 06, 2026 | $0.00 | 15,000 | $0.00 | 20,819 |
Towne Bradford K Principal Accounting Officer | Award | Feb 06, 2026 | $0.00 | 7,500 | $0.00 | 9,050 |
Baird Jennifer A | Award | Feb 06, 2026 | $0.00 | 3,000 | $0.00 | 6,620 |
Van Heel Kenneth | Award | Feb 06, 2026 | $0.00 | 3,000 | $0.00 | 7,940 |
Schlorff Eric Chief Executive Officer | Award | Feb 06, 2026 | $0.00 | 30,000 | $0.00 | 39,852 |
Baird Jennifer A | Buy | Dec 19, 2025 | $987.42 | 4,200 | $0.24 | 36,200 |
Van Heel Kenneth | Buy | Aug 27, 2025 | $8,565.00 | 10,000 | $0.86 | 49,400 |
Van Heel Kenneth | Buy | Aug 26, 2025 | $22,247.50 | 25,000 | $0.89 | 39,400 |
Chung Kevin Chief Medical Officer | Buy | Aug 22, 2025 | $8,000.00 | 10,000 | $0.80 | 58,184 |
Baird Jennifer A | Award | Jul 10, 2025 | $0.00 | 4,000 | $0.00 | 32,000 |
Neuman John | Award | Jul 10, 2025 | $0.00 | 4,000 | $0.00 | 92,000 |
Van Heel Kenneth | Award | Jul 10, 2025 | $0.00 | 4,000 | $0.00 | 14,400 |
Chung Kevin Chief Medical Officer | Exempt | Jul 01, 2025 | $0.00 | 5,000 | $0.00 | 0 |
Chung Kevin Chief Medical Officer | Exempt | Jul 01, 2025 | $0.00 | 5,000 | $0.00 | 48,184 |
Baird Jennifer A | Buy | Jun 30, 2025 | $4,174.00 | 10,000 | $0.42 | 28,000 |
Van Heel Kenneth | Exempt | Jun 04, 2025 | $0.00 | 4,000 | $0.00 | 0 |
Baird Jennifer A | Exempt | Jun 04, 2025 | $0.00 | 2,667 | $0.00 | 0 |
Neuman John | Exempt | Jun 04, 2025 | $0.00 | 2,667 | $0.00 | 0 |
Baird Jennifer A | Exempt | Jun 04, 2025 | $0.00 | 2,667 | $0.00 | 18,000 |
Van Heel Kenneth | Exempt | Jun 04, 2025 | $0.00 | 4,000 | $0.00 | 10,400 |
Neuman John | Exempt | Jun 04, 2025 | $0.00 | 2,667 | $0.00 | 88,000 |
Chung Kevin Chief Medical Officer | Buy | May 20, 2025 | $5,625.00 | 4,500 | $1.25 | 18,185 |
Baird Jennifer A | Buy | May 20, 2025 | $12,815.00 | 10,000 | $1.28 | 10,000 |