| Schedule of Activities and Ending Reserve Balances for Each Significant Category of Discounts and Allowances |
| | | | | | | | | | | | | | | Three Months Ended March 31, 2025 | | | Chargebacks | | | | | Other Fees, | | | | | | and Discounts | | | | | Co-pay | | | | | | for Prompt | | | | | Assistance | | | | (in thousands) | | Payment | | Rebates | | and Returns | | Total | Balances at December 31, 2024 | | $ | 110,778 | | $ | 123,738 | | $ | 41,129 | | $ | 275,645 | Provision related to sales made in: | | | | | | | | | | | | | Current period | | | 139,766 | | | 34,476 | | | 22,611 | | | 196,853 | Prior period - increase (decrease) | | | 797 | | | 3,545 | | | (773) | | | 3,569 | Payments and customer credits issued | | | (182,426) | | | (47,061) | | | (29,927) | | | (259,414) | Balances at March 31, 2025 | | $ | 68,915 | | $ | 114,698 | | $ | 33,040 | | $ | 216,653 |
| | | | | | | | | | | | | | | Three Months Ended March 31, 2024 | | | Chargebacks | | | | | Other Fees, | | | | | | and Discounts | | | | | Co-pay | | | | | | for Prompt | | | | | Assistance | | | | (in thousands) | | Payment | | Rebates | | and Returns | | Total | Balances at December 31, 2023 | | $ | 73,953 | | $ | 121,137 | | $ | 49,795 | | $ | 244,885 | Provision related to sales made in: | | | | | | | | | | | | | Current period | | | 223,619 | | | 56,432 | | | 42,359 | | | 322,410 | Prior period - increase (decrease) | | | (504) | | | 1,399 | | | 410 | | | 1,305 | Payments and customer credits issued | | | (228,278) | | | (74,958) | | | (40,799) | | | (344,035) | Balances at March 31, 2024 | | $ | 68,790 | | $ | 104,010 | | $ | 51,765 | | $ | 224,565 |
|