SeaStar Medical Holding Corp (ICU) IPO - S-1 Filing, Stock & Insider Activity
SeaStar Medical Holding Corp IPO - Status & S-1 Filing
- Ticker: ICU
- Status: Registered - S-1 filed with the SEC
- S-1 filed: 2026-04-28
- Exchange: NASDAQ
- Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
- Shares offered: 1,664,543
- SEC CIK: 0001831868 · View the S-1 on SEC EDGAR →
Track every registration update on the InsiderAlpha IPO tracker.
Last SEC filing
SeaStar Medical Holding Corp (ICU) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 4 Form 8-K material event filings were reported by ICU in the last 90 days. InsiderAlpha tracks every ICU SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About SeaStar Medical Holding Corp (ICU)
SeaStar Medical Holding Corp trades under the ticker ICU. InsiderAlpha tracks 31 primary SEC Form 4 filings from 9 reporting insiders for ICU since 2024, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
| SEC CIK | 0001831868 |
90-Day SEC Filing Activity
| Form 4 filings (90d) | 6 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Latest Form 4 filing | 2026-07-02 |
Recent ICU Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jennifer A. Baird | Director | A - Grant or award | 4.0K | $0.00 | - | SEC | |
| Eric Schlorff | Chief Executive Officer | A - Grant or award | 10.3K | $0.00 | - | SEC | |
| Kevin Chung | Chief Medical Officer | A - Grant or award | 7.2K | $0.00 | - | SEC | |
| Bernadette N. Vincent | Director | A - Grant or award | 4.0K | $0.00 | - | SEC | |
| John Neuman | Director | A - Grant or award | 4.0K | $0.00 | - | SEC | |
| Heel Kenneth van | Director | A - Grant or award | 4.0K | $0.00 | - | SEC | |
| John Neuman | Director | A - Grant or award | 3.0K | $0.00 | - | SEC | |
| Eric Schlorff | Chief Executive Officer | A - Grant or award | 30.0K | $0.00 | - | SEC | |
| Jennifer A. Baird | Director | A - Grant or award | 3.0K | $0.00 | - | SEC | |
| Kevin Chung | Chief Medical Officer | A - Grant or award | 15.0K | $0.00 | - | SEC | |
| Bradford K. Towne | Principal Accounting Officer | A - Grant or award | 7.5K | $0.00 | - | SEC | |
| Bernadette N. Vincent | Director | A - Grant or award | 3.0K | $0.00 | - | SEC | |
| Heel Kenneth van | Director | A - Grant or award | 3.0K | $0.00 | - | SEC | |
| Heel Kenneth van | Insider | P - Open-market purchase | 10.0K | $0.86 | $9K | SEC | |
| Heel Kenneth van | Insider | P - Open-market purchase | 25.0K | $0.89 | $22K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for SeaStar Medical Holding Corp (ICU). Updated in real time as new filings are submitted to the SEC.
Most-Active ICU Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Heel Kenneth van | 1 | - |
| Jennifer A. Baird | 1 | - |
| Kevin Chung | 1 | - |
| Bernadette N. Vincent | 1 | - |
| Eric Schlorff | 1 | - |
Recent ICU Form 8-K Material Events
- - Item 5.02 [SEC]
- - Item 5.02 [SEC]
- - Item 5.02, 5.07, 9.01 [SEC]
- - Item 2.02, 9.01 [SEC]
- - Item 8.01 [SEC]
Recent Insider Filings
- - Eric Schlorff (Chief Executive Officer)
- - Kevin Chung (Chief Medical Officer)
- - Bernadette N. Vincent (Director)
- - John Neuman (Director)
- - Heel Kenneth van (Director)
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 ICU 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 |
ICU Insider Trading - FAQ
- What is the latest insider trade for ICU?
- SeaStar Medical Holding Corp (ICU) had 6 insider filings in the last 90 days, with the most recent on 2026-07-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying ICU stock?
- 0 insider purchases of ICU were filed in the last 90 days.
- How many insiders are selling ICU stock?
- 0 insider sales of ICU were filed in the last 90 days.
- Where can I see ICU SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks ICU Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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- $LAB STANDARD BIOTOOLS INC.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live ICU dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.