For the year ended December 31,

2024

2023

2022

(in thousands)

Cash Interest Expense

Coupon interest expense - 2023 Notes

$

—

$

23

$

545

Coupon interest expense - 2025 Notes

928

2,360

4,637

Coupon interest expense - 2027 Notes

938

2,385

4,688

Coupon interest expense - 2029 Notes

6,613

4,078

—

Non-cash Interest Expense

Amortization of debt discount/transaction costs- 2023 Notes

—

4

97

Amortization of debt discount/transaction costs- 2025 Notes

98

240

457

Amortization of debt discount/transaction costs- 2027 Notes

90

220

408

Amortization of debt discount/transaction costs- 2029 Notes

1,069

654

—

Total Interest Expense

$

9,736

$

9,964

$

10,832