InsidersTradesSigma
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Browse the complete record of transactions filed by Heim Shannon. Insider active across 2 companies, notably NORTHWESTERN CORP. Cumulatively, 8 filings have been recorded. History available since 7 March 2023. The latest transaction was filed on 27 February 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
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8 of 8 declarations
Heim Shannon is a declarant linked to NorthWestern Energy Group, Inc. and NORTHWESTERN CORP, with the stated role of VP and General Counsel and Vice President and GC. The record shows 5 filings in total, and across the 5 sampled filings, the published amounts run from 2023-03-09 to 2025-03-10, with transactions of type Attribution.