SOUTHERN CO

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

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q3 2025
Shares 1,950,000 Value ($000) $2,197 Avg Close — Range —
Q2 2025
Shares 1,950,000 Value ($000) $2,161 Avg Close — Range —
Q1 2025
Shares 6,847,000 Value ($000) $7,629 Avg Close — Range —
Q4 2024
Shares 14,847,000 Value ($000) $15,615 Avg Close — Range —
Q3 2024
Shares 12,227,000 Value ($000) $13,612 Avg Close — Range —
Q2 2024
Shares 48,927,000 Value ($000) $50,122 Avg Close — Range —