SOUTHERN CO

CUSIP: 842587DP9 Class: NOTE 3.875%12/1

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

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

Q3 2025
Shares 655,000 Value ($000) $738 Avg Close — Range —
Q2 2025
Shares 650,000 Value ($000) $720 Avg Close — Range —
Q1 2025
Shares 650,000 Value ($000) $724 Avg Close — Range —
Q4 2024
Shares 650,000 Value ($000) $684 Avg Close — Range —
Q3 2024
Shares 650,000 Value ($000) $724 Avg Close — Range —
Q2 2024
Shares 650,000 Value ($000) $665 Avg Close — Range —
Q1 2024
Shares 650,000 Value ($000) $648 Avg Close — Range —