AMPHASTAR PHARMACEUTICALS IN

CUSIP: 03209RAB9 Class: NOTE 2.000% 3/1

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 8,733,000 Value ($000) $8,096 Avg Close — Range —
Q3 2025
Shares 11,610,000 Value ($000) $10,568 Avg Close — Range —
Q2 2025
Shares 20,125,000 Value ($000) $17,446 Avg Close — Range —
Q1 2025
Shares 23,215,000 Value ($000) $20,691 Avg Close — Range —
Q4 2024
Shares 40,569,000 Value ($000) $37,942 Avg Close — Range —
Q3 2024
Shares 40,950,000 Value ($000) $43,430 Avg Close — Range —