AMPHASTAR PHARMACEUTICALS IN

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

Empyrean Capital Partners, LP's Holding History (CIK: 0001317195)

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

Q4 2025
Shares 16,265,000 Value ($000) $14,994 Avg Close — Range —
Q3 2025
Shares 15,000,000 Value ($000) $13,637 Avg Close — Range —
Q2 2025
Shares 15,000,000 Value ($000) $13,003 Avg Close — Range —
Q1 2025
Shares 17,000,000 Value ($000) $15,110 Avg Close — Range —
Q4 2024
Shares 17,000,000 Value ($000) $15,799 Avg Close — Range —