Key facts
- This page summarizes Michael Messinger's Form 4 filing for SeaStar Medical Holding Corp (ICU).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 11 Dec 2025, 18:49.
Michael Messinger - 09 Dec 2025 Form 4 Insider Report for SeaStar Medical Holding Corp (ICU)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- ICU
- Reported as of
- 09 Dec 2025
- Net transaction value
- +$5,098
- SEC form
- 4
- Accepted by SEC
- 11 Dec 2025, 18:49:59 UTC
- Prior SEC filing
- 08 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Michael Messinger
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Michael Messinger filed Form 4 for SeaStar Medical Holding Corp (ICU) on 11 Dec 2025.
Change
- Previous filing in this sequence was filed on 08 Dec 2025.
- Current net transaction value: +$5,098.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001615039
Primary reporting owner
Messinger Michael
- Relationship
- Chief Financial Officer
- Address
- 3513 BRIGHTON BLVD, SUITE 410, DENVER, UNITED ARAB EMIRATES
- Signature
- /s/ Michael Messinger
- Signature date
- 11 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ICU
transaction
Common Stock
Purchase
- Transaction value
- $5,098
- Shares
- +14,500
- Change %
- +483%
- Price
- $0.3516
- Shares after
- 17,500
- Date
- 09 Dec 2025
- Ownership
- Direct
* marks a reported price that did not pass the local price check.