ICU insider buying and SEC filings, explained
SeaStar Medical Holding Corp · CIK 1831868
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq, Nasdaq
- Industry (SIC)
- Surgical & Medical Instruments & Apparatus
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- LMF Acquisition Opportunities Inc
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 18, 2026 | Purchase (code P) | Michael Messinger (CFO) bought 750 shares at $3.27 ($2K), reported as a purchase (code P). Holdings up 43% to 2,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Dec 19, 2025 | Purchase (code P) | Jennifer A Baird (Director) bought 4,200 shares at $0.2400 ($1K), reported as a purchase (code P). Holdings up 13% to 36,200 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 22, 2025 |
| Dec 9, 2025 | Purchase (code P) | Michael Messinger (CFO) bought 14,500 shares at $0.3500 ($5K), reported as a purchase (code P). Holdings up 483% to 17,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
13 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 8:30 AM ET 8-K | Other event (Item 8.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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