Form 4 Filing for Yazdi Mahvash - NorthWestern Energy Group, Inc.

Yazdi Mahvash, a director at NorthWestern Energy Group, Inc., acquired 569 shares of Common Stock on April 7, 2026, at a price of $65.94 per share. This acquisition was part of a second quarter stock grant for 2026, as per the compensation schedule for non-employee directors. Following this transaction, Mahvash owns 22,291 shares, which includes shares acquired through dividend reinvestment. The filing is a Form 4, indicating a change in beneficial ownership.