NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

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

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

Q4 2025
Shares 691 Value ($000) $45 Avg Close $62.82 Range $56.07 - $68.56
Q3 2025
Shares 373 Value ($000) $22 Avg Close $54.14 Range $49.85 - $58.24
Q2 2025
Shares 643 Value ($000) $33 Avg Close $53.53 Range $49.39 - $57.89
Q1 2025
Shares 806 Value ($000) $47 Avg Close $52.06 Range $48.49 - $56.12