SOUTHERN CO

CUSIP: 842587DZ7 Class: NOTE 4.500% 6/1

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

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

Q4 2025
Shares 5,598,000 Value ($000) $5,973 Avg Close — Range —
Q3 2025
Shares 5,736,000 Value ($000) $6,376 Avg Close — Range —