Heim Shannon (CIK 1960374) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-02). Recent activity: Sell NWE (892 shares), Buy NWE (2,818 shares), Buy NWE (148 shares), Sell NWE (11 shares), Sell NWE (442 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Sell | 892 | $0 |
| 2026-03-02 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Buy | 2,818 | $192,892 |
| 2026-02-25 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Buy | 148 | $10,131 |
| 2026-02-25 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Sell | 11 | $0 |
| 2026-01-20 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Sell | 442 | $28,527 |
| 2025-03-10 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Buy | 27 | $1,461 |
| 2025-03-05 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Buy | 361 | $19,537 |
| 2025-03-05 | NorthWestern Energy Group, Inc. (NWE) | VP and General Counsel | Buy | 2,257 | $0 |
Source: SEC Form 4 filings · as of 2026-03-02