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Nasdaq · CIK 0001993004

NWE NorthWestern Energy Group, Inc.

Insider trading from SEC Form 4. Last filing 8 d ago. Close $74.15 on Oct 9, 2026, +34% from the 52-week low and -1% from the high.

NorthWestern Energy Group, Inc. (NWE) has 84 SEC Form 4 filings on file from 19 insiders, the latest filed on Oct 5, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

4 open-market trades have been scored at NWE. The newest: Michael R Cashell (VP - Transmission) sold $136k of stock on May 2, 2025, filed May 2, 2025, scored 26 (weak). The largest of the 4 shown: Anthony Thomas Clark (director) sold $384k on Dec 12, 2024, scored 49 (moderate). 2 insiders sold within 14 days of each other around Dec 12, 2024.

NWE closed at $74.15 on Oct 9, 2026, 34% above its 52-week low and 1% below its 52-week high.

2 members of Congress have disclosed 3 trades in NWE under the STOCK Act. 4 Form 144 notices of planned sales are on file, the latest filed May 2, 2025.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
19
with a Form 4 at this company

Price and insider trades, last year

NWEOct 9, 2026 · close 74.15

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at NorthWestern Energy Group, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
26WeakMichael R Cashell
VP - Transmission
sell
$136k
2,349 shares
-9%+17% from low-2% from high
21WeakBritt E Ide
director
sell
$38k
702 shares
-6%-
49ModerateAnthony Thomas Clark
director
sell
$384k
7,400 shares
-31%-
29WeakBritt E Ide
director
sell
$37k
700 shares
-6%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
May 2, 2025 Cashell Michael R
Officer, Vice-Transmission
2,349
0.00% of outstanding
$136kMay 2, 2025none
Feb 25, 2025 Ide Britt E
Director
702
0.00% of outstanding
$38kFeb 25, 2025$37k
Dec 12, 2024 Clark Anthony Thomas
Director
7,400
0.01% of outstanding
$387kDec 12, 2024none
Dec 9, 2024 Ide Britt E
Director
700
0.00% of outstanding
$37kDec 9, 2024none

Congressional trades

3 trades in NWE disclosed by members of Congress under the STOCK Act. All congressional trades.

MemberTradeAssetReported rangeTrade / filing dateSource
PurchaseNWE
NorthWestern Energy Group, Inc. - Common Stock
$1,001 to $15kMar 3 / Apr 7
35 days after the trade
Clerk
Lisa C. McClain
House · R-MI
SaleNWE
NorthWestern Energy Group, Inc. - Common Stock
$1,001 to $15kJun 17, 2025 / Aug 13, 2025
57 days after the trade
Clerk
Lisa C. McClain
House · R-MI
PurchaseNWE
NorthWestern Energy Group, Inc. - Common Stock
$1,001 to $15kJun 9, 2025 / Aug 13, 2025
65 days after the trade
Clerk

Transactions

The newest 50 of 105 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026Linda G Sullivan
director
AGrant or award
Common Stock
+804$68.38$55k35,5638 d ago
Oct 1, 2026Jan Robert Horsfall
director
AGrant or award
Common Stock
+548$68.38$37k12,2618 d ago
Oct 1, 2026Sherina M. Edwards
director
AGrant or award
Common Stock
+548$68.38$37k10,5268 d ago
Oct 1, 2026Kent T Larson
director
AGrant or award
Common Stock
+548$68.38$37k12,5898 d ago
Oct 1, 2026David L Goodin
director
AGrant or award
Common Stock
+548$68.38$37k6,1728 d ago
Oct 1, 2026Britt E Ide
director
AGrant or award
Common Stock
+548$68.38$37k16,2178 d ago
Oct 1, 2026Jeffrey W. Yingling
director
AGrant or award
Common Stock
+548$68.38$37k25,1218 d ago
Oct 1, 2026Mahvash Yazdi
director
AGrant or award
Common Stock
+548$68.38$37k23,6038 d ago
Mar 3, 2026John D Hines
VP - Energy Supply & MT Gov
AGrant or award
Common Stock
+1,354$68.45$93k42,370Mar 3, 2026
Mar 3, 2026John D Hines
VP - Energy Supply & MT Gov
FTax withholding
Common Stock
-398$0.00$041,972Mar 3, 2026
Feb 27, 2026Shannon Heim
VP and General Counsel
AGrant or award
Common Stock
+2,818$68.45$193k9,687Mar 2, 2026
Feb 27, 2026Bleau LaFave
VP - Bus Dvlpmt & Asset Mgmt
AGrant or award
Common Stock
+671$68.45$46k3,694Mar 2, 2026
Feb 27, 2026Crystal Dawn Lail
VP and CFO
AGrant or award
Common Stock
+6,186$68.45$423k36,587Mar 2, 2026
Feb 27, 2026Brian B Bird
President and CEO
AGrant or award
Common Stock
+20,864$68.45$1.4M225,388Mar 2, 2026
Feb 27, 2026Jason Merkel
VP - Distribution
AGrant or award
Common Stock
+1,331$68.45$91k6,077Mar 2, 2026
Feb 27, 2026Bobbi L Schroeppel
VP - HR, Cust Care, Corp Comm
AGrant or award
Common Stock
+2,464$68.45$169k39,128Mar 2, 2026
Feb 27, 2026Jeffrey B. Berzina
Controller
AGrant or award
Common Stock
+938$68.45$64k4,949Mar 2, 2026
Feb 27, 2026Jeanne Vold
VP - Technology
AGrant or award
Common Stock
+1,679$68.45$115k14,699Mar 2, 2026
Feb 27, 2026Michael R Cashell
VP - Transmission
AGrant or award
Common Stock
+2,453$68.45$168k28,105Mar 2, 2026
Feb 27, 2026Michael R Cashell
VP - Transmission
FTax withholding
Common Stock
-763$0.00$027,342Mar 2, 2026
Feb 27, 2026Shannon Heim
VP and General Counsel
FTax withholding
Common Stock
-892$0.00$08,795Mar 2, 2026
Feb 27, 2026Bleau LaFave
VP - Bus Dvlpmt & Asset Mgmt
FTax withholding
Common Stock
-198$0.00$03,496Mar 2, 2026
Feb 27, 2026Crystal Dawn Lail
VP and CFO
FTax withholding
Common Stock
-1,506$0.00$035,081Mar 2, 2026
Feb 27, 2026Jason Merkel
VP - Distribution
FTax withholding
Common Stock
-461$0.00$05,616Mar 2, 2026
Feb 27, 2026Brian B Bird
President and CEO
FTax withholding
Common Stock
-7,341$0.00$0218,047Mar 2, 2026
Feb 27, 2026Bobbi L Schroeppel
VP - HR, Cust Care, Corp Comm
FTax withholding
Common Stock
-643$0.00$038,485Mar 2, 2026
Feb 27, 2026Jeanne Vold
VP - Technology
FTax withholding
Common Stock
-478$0.00$014,221Mar 2, 2026
Feb 27, 2026Jeffrey B. Berzina
Controller
FTax withholding
Common Stock
-278$0.00$04,671Mar 2, 2026
Feb 24, 2026Shannon Heim
VP and General Counsel
AGrant or award
Common Stock
+148$68.45$10k6,880Feb 25, 2026
Feb 24, 2026John D Hines
VP - Energy Supply & MT Gov
AGrant or award
Common Stock
+2,474$68.45$169k41,073Feb 25, 2026
Feb 24, 2026Crystal Dawn Lail
VP and CFO
AGrant or award
Common Stock
+1,260$68.45$86k30,430Feb 25, 2026
Feb 24, 2026Bobbi L Schroeppel
VP - HR, Cust Care, Corp Comm
AGrant or award
Common Stock
+1,335$68.45$91k36,695Feb 25, 2026
Feb 24, 2026Brian B Bird
President and CEO
AGrant or award
Common Stock
+2,587$68.45$177k204,584Feb 25, 2026
Feb 24, 2026Michael R Cashell
VP - Transmission
AGrant or award
Common Stock
+1,329$68.45$91k25,683Feb 25, 2026
Feb 24, 2026Michael R Cashell
VP - Transmission
FTax withholding
Common Stock
-31$0.00$025,652Feb 25, 2026
Feb 24, 2026Shannon Heim
VP and General Counsel
FTax withholding
Common Stock
-11$0.00$06,869Feb 25, 2026
Feb 24, 2026John D Hines
VP - Energy Supply & MT Gov
FTax withholding
Common Stock
-57$0.00$041,016Feb 25, 2026
Feb 24, 2026Crystal Dawn Lail
VP and CFO
FTax withholding
Common Stock
-29$0.00$030,401Feb 25, 2026
Feb 24, 2026Bobbi L Schroeppel
VP - HR, Cust Care, Corp Comm
FTax withholding
Common Stock
-31$0.00$036,664Feb 25, 2026
Feb 24, 2026Brian B Bird
President and CEO
FTax withholding
Common Stock
-60$0.00$0204,524Feb 25, 2026
Feb 3, 2026Jan Robert Horsfall
director
AGrant or award
Common Stock
+581$64.54$37k10,505Feb 4, 2026
Feb 3, 2026Jeffrey W. Yingling
director
AGrant or award
Common Stock
+581$64.54$37k22,821Feb 4, 2026
Jan 22, 2026Jeffrey B. Berzina
Controller
FTax withholding
Common Stock
-124$64.54$8,0033,999Jan 26, 2026
Jan 22, 2026Brian B Bird
President and CEO
FTax withholding
Common Stock
-2,397$64.54$155k201,935Jan 23, 2026
Jan 22, 2026Michael R Cashell
VP - Transmission
FTax withholding
Common Stock
-381$64.54$25k24,354Jan 23, 2026
Jan 22, 2026Bleau LaFave
VP - Bus Dvlpmt & Asset Mgmt
FTax withholding
Common Stock
-89$64.54$5,7442,722Jan 23, 2026
Jan 22, 2026Crystal Dawn Lail
VP and CFO
FTax withholding
Common Stock
-808$64.54$52k29,170Jan 23, 2026
Jan 22, 2026Jason Merkel
VP - Distribution
FTax withholding
Common Stock
-206$64.54$13k4,746Jan 23, 2026
Jan 22, 2026Bobbi L Schroeppel
VP - HR, Cust Care, Corp Comm
FTax withholding
Common Stock
-327$64.54$21k35,336Jan 23, 2026
Jan 22, 2026Jeanne Vold
VP - Technology
FTax withholding
Common Stock
-223$64.54$14k13,020Jan 23, 2026
50 of 105 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about NWE

Answered from the filings on this page, as of the latest one.

Are insiders buying NWE?

No. In the last 90 days no insider at NorthWestern Energy Group, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade NWE on the open market?

Michael R Cashell (VP - Transmission) sold $136k of NWE on May 2, 2025 and filed the Form 4 on May 2, 2025. InsiderTell scored 26 (weak).

How many insiders file Form 4 at NorthWestern Energy Group, Inc.?

19 people have filed a Form 4 at NorthWestern Energy Group, Inc., among them Brian B Bird (President and CEO), Jeffrey B. Berzina (Controller), Michael R Cashell (VP - Transmission). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

NWE insider trading: NorthWestern Energy Group, Inc. | InsiderTell