MarketPeel
Insider Trading Intelligence
MC

Michael R. Cashell

NWE
VICE PRESIDENT - TRANSMISSION · NORTHWESTERN ENERGY GROUP, INC. · CIK 0001522052
FILING MIX · LIFETIME73%/27%
BUYS
16
SELLS
6
TOTAL VALUE
$1.19M
COMPANIES
1
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
27,342
AVG SELL PX
$62.56
TRADE KIND
SHOWING 22 / 22
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
3 backtested trades · 8 horizons · 1 pending
Forward-return performance of every backtestable P/S trade by Michael R. Cashell, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d3+66.67%-0.75%-0.67%-0.08%+1.26%
14d3+100.00%-6.87%-3.11%-3.76%-2.96%
30d3+66.67%-6.05%-2.66%-3.40%-4.47%
60d3+66.67%-6.46%+1.51%-7.96%-17.83%
90d3+66.67%-6.39%+6.22%-12.61%-19.26%
180d3+33.33%-4.62%+14.32%-18.95%-18.48%
1y3+66.67%-1.84%+21.54%-23.38%-19.16%
2y3(1 pending)+50.00%-3.71%+52.80%-56.51%-56.51%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
NWE · 27,342 shares · as of Feb 27, 2026
07,02614,05321,07928,105202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 16 buys / 6 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
2,453$68.45$167.9K28,105Feb 27, 2026Mar 2, 2026View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
VP - Transmission
76327,342Feb 27, 2026Mar 2, 2026View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
VP - Transmission
3125,652Feb 24, 2026Feb 25, 2026View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,329$68.45$91.0K25,683Feb 24, 2026Feb 25, 2026View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
VP - Transmission
381$64.54$24.6K24,354Jan 22, 2026Jan 22, 2026View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
VP - Transmission
2,349$58.03$136.3K24,088May 2, 2025May 2, 2025View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,551$54.12$83.9K24,787Mar 3, 2025Mar 5, 2025View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,44026,227Mar 3, 2025Mar 5, 2025View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,62822,358Mar 13, 2024Mar 14, 2024View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
571$46.70$26.7K20,730Mar 5, 2024Mar 6, 2024View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,10019,342Mar 7, 2023Mar 9, 2023View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
227$56.92$12.9K18,242Mar 3, 2023Mar 7, 2023View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
702$56.92$40.0K18,015Mar 3, 2023Mar 7, 2023View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,33317,145Dec 13, 2022Dec 15, 2022View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
Vice President - Transmission
1,702$53.19$90.5K15,812Oct 28, 2022Oct 28, 2022View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
845$56.52$47.8K16,994Feb 28, 2022Mar 2, 2022View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
793$56.52$44.8K16,149Feb 24, 2022Feb 25, 2022View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
798$57.47$45.9K13,914Feb 24, 2021Feb 24, 2021View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
857$57.47$49.3K14,770Feb 24, 2021Feb 24, 2021View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
SALE
Vice President - Transmission
1,774$77.13$136.8K12,561Feb 27, 2020Feb 27, 2020View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
1,774$77.46$137.4K14,335Feb 26, 2020Feb 26, 2020View →
NWE
NORTHWESTERN ENERGY GROUP, INC.
PURCHASEGRANT
Stock grant
697$77.46$54.0K12,561Feb 24, 2020Feb 26, 2020View →
Other insiders · NWE
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About this filer
CIK 0001522052
ROLE
Vice President - Transmission
PRIMARY
NWE
COMPANIES
1
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001522052DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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