| Schedule of Debt Instruments and their Changes |
The following tables sets forth a summary of
the debt instruments and their changes during the three and six months ended June 30, 2026 and 2025 (in thousands):
| |
|
Convertible
Loans Payable |
|
|
Tasly Convertible
Note - Related
Party |
|
|
Convertible Promissory
Note - Related
Party |
|
|
Convertible
Senior
Notes |
|
|
Promissory Notes |
|
|
PPP Loan |
|
|
D&O Insurance Financing |
|
| Balance at January 1, 2026 |
|
$ |
7,877 |
|
|
$ |
2,290 |
|
|
$ |
1,870 |
|
|
$ |
42 |
|
|
$ |
1,049 |
|
|
$ |
1,390 |
|
|
$ |
297 |
|
| Debt repayments |
|
|
(195 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(24 |
) |
|
|
— |
|
|
|
(222 |
) |
| Change in fair value |
|
|
555 |
|
|
|
242 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Conversion of debt to equity |
|
|
(1,260 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Debt forgiven |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,392 |
) |
|
|
|
|
| Accrued stated interest |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
1 |
|
|
|
15 |
|
|
|
2 |
|
|
|
— |
|
| Balance at March 31,
2026; Current debt |
|
$ |
6,977 |
|
|
$ |
2,532 |
|
|
$ |
1,870 |
|
|
$ |
43 |
|
|
$ |
1,040 |
|
|
$ |
— |
|
|
$ |
75 |
|
| Issuance of debt |
|
|
1,500 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Debt repayments |
|
|
(765 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(75 |
) |
| Change in fair value |
|
|
3,910 |
|
|
|
97 |
|
|
|
244 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Conversion of debt to equity |
|
|
(3,460 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Debt forgiven |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Accrued stated interest |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
2 |
|
|
|
14 |
|
|
|
— |
|
|
|
— |
|
| Balance at June 30,
2026; Current debt |
|
$ |
8,162 |
|
|
$ |
2,629 |
|
|
$ |
2,114 |
|
|
$ |
45 |
|
|
$ |
1,054 |
|
|
$ |
— |
|
|
$ |
— |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounting basis |
|
|
Fair
value option |
|
|
|
Fair
value option |
|
|
|
Fair
value option |
|
|
|
Effective
interest method |
|
|
|
Simple
interest method |
|
|
|
Compounding
Interest |
|
|
|
Simple
interest method |
|
| Interest rate |
|
|
10%
- 12% |
|
|
|
24% |
|
|
|
— |
|
|
|
0%-12%
|
|
|
|
0%-12%
|
|
|
|
1% |
|
|
|
7% |
|
| Conversion price(s) per share, as affected
by the Reverse Stock Splits |
|
|
various
|
|
|
|
$14,400.00 |
|
|
|
7,500.00
and $16,650.00 |
|
|
|
$3,750.00,
$16,650.00, and $30,000.00 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Maturity |
|
|
various |
|
|
|
3/31/2024 |
|
|
|
12/31/2026 |
|
|
|
7/11/2025 |
|
|
|
various |
|
|
|
— |
|
|
|
4/11/2026 |
|
| |
|
Junior Convertible Notes |
|
|
Tasly Convertible Note - Related Party |
|
|
Convertible
Senior
Notes |
|
|
Promissory Notes |
|
|
PPP Loan |
|
| Balance at January 1, 2025 |
|
$ |
18,419 |
|
|
$ |
2,234 |
|
|
$ |
25,268 |
|
|
$ |
910 |
|
|
$ |
1,376 |
|
| Issuance of debt |
|
|
— |
|
|
|
— |
|
|
|
750 |
|
|
|
— |
|
|
|
— |
|
| Change in fair value |
|
|
— |
|
|
|
156 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Stated interest |
|
|
545 |
|
|
|
— |
|
|
|
572 |
|
|
|
15 |
|
|
|
3 |
|
| Amortization of debt discount and issuance
costs |
|
|
1 |
|
|
|
— |
|
|
|
(1 |
) |
|
|
— |
|
|
|
— |
|
| Balance at March 31,
2025; Current debt |
|
$ |
18,965 |
|
|
$ |
2,390 |
|
|
$ |
26,589 |
|
|
$ |
925 |
|
|
$ |
1,379 |
|
| Issuance of debt |
|
|
— |
|
|
|
— |
|
|
|
700 |
|
|
|
— |
|
|
|
— |
|
| Change in fair value |
|
|
— |
|
|
|
(38 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Stated interest |
|
|
553 |
|
|
|
191 |
|
|
|
604 |
|
|
|
15 |
|
|
|
4 |
|
| Amortization of debt discount and issuance
costs |
|
|
15 |
|
|
|
— |
|
|
|
2 |
|
|
|
— |
|
|
|
— |
|
| Balance at June 30,
2025; Current debt |
|
|
19,533 |
|
|
|
2,543 |
|
|
|
27,895 |
|
|
|
940 |
|
|
|
1,383 |
|
|
| Schedule of Contractual Future Minimum Payments |
As of June 30, 2026, the contractual future
minimum payments for the Company’s outstanding borrowing arrangements were as follows (in thousands):
| |
|
Remaining
six months
of 2026 |
|
|
2027 |
|
|
Total |
|
| Tasly convertible note - related party |
|
$ |
2,629 |
|
|
$ |
— |
|
|
$ |
2,629 |
|
| Convertible promissory note - related party |
|
|
2,114 |
|
|
|
— |
|
|
|
2,114 |
|
| Convertible loans payable |
|
|
— |
|
|
|
8,162 |
|
|
|
8,162 |
|
| Convertible senior notes |
|
|
45 |
|
|
|
— |
|
|
|
45 |
|
| Promissory notes |
|
|
1,054 |
|
|
|
— |
|
|
|
1,054 |
|
| Total contractual obligations |
|
$ |
5,842 |
|
|
$ |
8,162 |
|
|
$ |
14,004 |
|
|