SEC Insider Transactions from Heim Shannon.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 10

Heim Shannon has filed 10 insider transactions across 1 company since March 2024.

Most recent transaction: a tax payment of 892 shares of NorthWestern Energy Group, Inc. ($NWE) on February 27, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 27, 2026 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel F Common Stock 892 $0.00 8,795.0000 61,541,418 9.21% 0.00%
Feb. 27, 2026 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 2818 $68.45 9,687.0000 61,541,418 41.02% 0.00%
Feb. 24, 2026 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 148 $68.45 6,880.0000 61,541,418 2.20% 0.00%
Feb. 24, 2026 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel F Common Stock 11 $0.00 6,869.0000 61,541,418 0.16% 0.00%
Jan. 15, 2026 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel F Common Stock 442 $64.54 7,195.0000 61,541,418 5.79% 0.00%
March 7, 2025 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 27 $54.12 6,919.0000 61,374,205 0.39% 0.00%
March 3, 2025 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 2257 $0.00 6,871.0000 61,374,205 48.92% 0.00%
March 3, 2025 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 361 $54.12 4,614.0000 61,374,205 8.49% 0.00%
March 13, 2024 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 2530 $0.00 4,001.0000 60,357,793 171.99% 0.00%
March 5, 2024 NorthWestern Energy Group, Inc. $NWE Heim Shannon VP and General Counsel A Common Stock 141 $46.70 1,471.0000 60,357,793 10.60% 0.00%