BIRD BRIAN B 4

What Happened
Brian B. Bird, President, CEO and Director of NorthWestern Energy Group, disposed of 2,397 shares on January 22, 2026 at $64.54 per share, producing proceeds of approximately $154,702. The reported disposition is coded F, indicating payment of an exercise price or tax liability (i.e., shares were surrendered/used to cover tax obligations).

Key Details

• Transaction date: 2026-01-22
• Price per share: $64.54
• Shares disposed: 2,397
• Total value reported: $154,702 (approx.)
• Transaction code: F — payment of exercise price or tax liability (commonly tax withholding or surrender of shares)
• Shares owned after transaction: not specified in the filing
• Filing date: 2026-01-23 (report appears to have been filed promptly and is not marked late)

Context
An F-coded disposition typically reflects tax withholding or payment related to option exercises or vesting of restricted stock rather than an open-market sale. Such tax-related share surrenders are common and are generally routine administrative actions, not necessarily an indicator of a change in the insider’s view of the company.