Company profile
Northwestern Corp Insider Trading
NWEEvery SEC Form 4 insider trading filing for Northwestern Corp (NWE) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Sector
- Electric & Other Services Combined
- CIK
- 0000073088
- Filings
- 2
- Insiders
- 2
- Last filing
- 2026-08-06
Activity summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares (net $75K). Buying was led by Horsfall Jan Robert.
90 day insight
Over the last 90 days, Northwestern Corp insiders bought $355K across 9 transactions with no open-market sales.
- Most active insider: Yazdi Mahvash with 2 transactions totaling $75K.
- Largest single purchase: $55K by Sullivan Linda G on Jul 9, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 6, 2026 | Horsfall Jan Robert | NWE | Award | 524 | $71.62 | $38K |
| Aug 4, 2026 | Yingling Jeffrey W. | NWE | Award | 524 | $71.62 | $38K |
| Jul 9, 2026 | Goodin David L | NWE | Award | 524 | $71.62 | $38K |
| Jul 9, 2026 | Larson Kent T | NWE | Award | 524 | $71.62 | $38K |
| Jul 9, 2026 | Sullivan Linda G | NWE | Award | 768 | $71.62 | $55K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Northwestern Corp as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →