SOUTHERN CO

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

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2025
Shares 10,607,000 Value ($000) $11,344 Avg Close — Range —
Q3 2025
Shares 141,259,000 Value ($000) $157,420 Avg Close — Range —
Q2 2025
Shares 127,487,000 Value ($000) $140,158 Avg Close — Range —