ALLETE INC

CUSIP: 018522300 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q3 2025
Shares 474 Value ($000) $31 Avg Close — Range —
Q2 2025
Shares 596 Value ($000) $38 Avg Close — Range —
Q1 2025
Shares 626 Value ($000) $41 Avg Close — Range —