September 30,

2025

December 31,

2024

Debt - unaffiliated:

Yorkville - convertible promissory note (measured at fair value)

—

1,865

Unsecured senior convertible notes (measured at fair value)

—

620

Total debt - unaffiliated

—

2,485

Debt - related parties:

C.V. Starr Bridge Loan, net of discount

—

5,652

RWI Bridge Loan, net of discount

—

30,275

CEO promissory note

4,284

3,876

Total debt - related parties

4,284

39,803

Total debt

$

4,284

$

42,288

Balance sheet classification:

Short-term debt - unaffiliated

$

—

$

2,485

Short-term debt - related parties

4,284

3,876

Long-term debt - related parties

—

35,927

$

4,284

$

42,288