v3.25.2
Investments (Tables)
6 Months Ended
Jun. 30, 2025
Summary of Marketable Equity Securities Marketable equity securities as of June 30, 2025 and December 31, 2024, and activity for the six months ended June 30, 2025 and year ended December 31, 2024, are as follows:

 

 

Cost

 

 

Cost of Shares Sold

 

 

Gross Unrealized Gain (Loss)

 

 

Fair Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Marketable equity securities, June 30, 2025

 

$

27,050

 

 

$

-

 

 

$

(13,820

)

 

$

13,230

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Marketable equity securities, December 31, 2024

 

$

17,860

 

 

$

-

 

 

$

9,190

 

 

$

27,050

 

Schedule of Long-term Investment - Equity Securities

Long-term investments in Seastar Medical private placement warrants consist of the following:

 

June 30, 2025

 

 

 

December 31, 2024

 

 

June 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 Seastar Medical Holding Corporation warrants

$

4,111

 

 

 

$

4,255

 

 

$

11,155

 

 End of period

$

4,111

 

 

 

$

4,255

 

 

$

11,155

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

June 30, 2025

 

 

 

 

 

 

June 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 Beginning of year

$

4,255

 

 

 

 

 

 

$

156,992

 

 Unrealized loss on equity securities

 

(144

)

 

 

 

 

 

 

(145,837

)

 End of period

$

4,111

 

 

 

 

 

 

$

11,155

 

Summary of Investment in Unconsolidated Affiliates

Long-term investments in SeaStar Medical common stock consist of the following:

 

June 30, 2025

 

 

 

December 31, 2024

 

 

June 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 Seastar Medical Holding Corporation common stock

$

44,060

 

 

 

$

200,790

 

 

$

785,565

 

 End of period

$

44,060

 

 

 

$

200,790

 

 

$

785,565

 

 

 

 

 

 

 

 

 

 

 

 

June 30, 2025

 

 

 

 

 

 

June 30, 2024

 

 

 

 

 

 

 

 

 

 

 

 Beginning of year

$

200,790

 

 

 

 

 

 

$

1,145,486

 

 Unrealized loss on equity investment

 

(156,730

)

 

 

 

 

 

 

(359,921

)

 End of period

$

44,060

 

 

 

 

 

 

$

785,565