SOUTHERN CO

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

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

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

Q4 2025
Shares 53,292,000 Value ($000) $57,109 Avg Close — Range —
Q3 2025
Shares 43,579,000 Value ($000) $48,547 Avg Close — Range —
Q2 2025
Shares 27,502,000 Value ($000) $30,390 Avg Close — Range —