ALLETE INC

CUSIP: 018522300 Class: Common Stock

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q3 2025
Shares 539 Value ($000) $36 Avg Close — Range —
Q2 2025
Shares 537 Value ($000) $34 Avg Close — Range —
Q1 2025
Shares 536 Value ($000) $35 Avg Close — Range —