NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q4 2025
Shares 14,307 Value ($000) $923 Avg Close $62.82 Range $56.07 - $68.56
Q3 2025
Shares 14,303 Value ($000) $838 Avg Close $54.14 Range $49.85 - $58.24