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SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-01 · 0001931208-26-000008

  2. 4 · Ownership change

    Report date 2026-10-01 · 0001730877-26-000008

  3. 4 · Ownership change

    Report date 2026-10-01 · 0001634403-26-000008

  4. 4 · Ownership change

    Report date 2026-10-01 · 0001530618-26-000010

  5. 4 · Ownership change

    Report date 2026-10-01 · 0001428704-26-000008

  6. 4 · Ownership change

    Report date 2026-10-01 · 0001328106-26-000009

  7. 4 · Ownership change

    Report date 2026-10-01 · 0001244563-26-000008

  8. 4 · Ownership change

    Report date 2026-10-01 · 0001182496-26-000015

  9. 8-K · Current report

    Report date 2026-09-09 · 0001993004-26-000054 · Items 7.01,9.01

  10. 8-K · Current report

    Report date 2026-07-29 · 0001993004-26-000052 · Items 2.02,7.01,9.01

  11. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001993004-26-000050

  12. 8-K · Current report

    Report date 2026-06-15 · 0001993004-26-000046 · Items 1.01,2.03,9.01

  13. 8-K · Current report

    Report date 2026-05-27 · 0001993004-26-000044 · Items 1.01,2.03,9.01

  14. 8-K · Current report

    Report date 2026-06-02 · 0001993004-26-000042 · Items 7.01,9.01

  15. 8-K · Current report

    Report date 2026-05-27 · 0001993004-26-000038 · Items 7.01,9.01

  16. 8-K · Current report

    Report date 2026-05-18 · 0001993004-26-000035 · Items 7.01,9.01

  17. 8-K · Current report

    Report date 2026-04-30 · 0001993004-26-000033 · Items 5.07,9.01

  18. 8-K · Current report

    Report date 2026-04-29 · 0001993004-26-000031 · Items 2.02,7.01,9.01

  19. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001993004-26-000029

  20. 8-K · Current report

    Report date 2026-04-02 · 0001993004-26-000026 · Items 5.07,8.01,9.01

  21. DEF 14A · Proxy statement

    Report date 2026-04-30 · 0001993004-26-000018

  22. 8-K · Current report

    Report date 2026-02-11 · 0001993004-26-000010 · Items 5.02,9.01

  23. 8-K · Current report

    Report date 2026-02-11 · 0001993004-26-000008 · Items 2.02,7.01,9.01

  24. 10-K · Annual report

    Report date 2025-12-31 · 0001993004-26-000006

  25. 8-K · Current report

    Report date 2025-12-09 · 0001993004-25-000203 · Items 7.01,8.01,9.01

  26. 8-K · Current report

    Report date 2025-11-07 · 0001993004-25-000196 · Items 1.01,2.03,9.01

  27. 8-K · Current report

    Report date 2025-11-10 · 0001993004-25-000192 · Items 7.01,9.01

  28. 8-K · Current report

    Report date 2025-10-27 · 0001993004-25-000190 · Items 5.02,9.01

  29. 8-K · Current report

    Report date 2025-10-29 · 0001993004-25-000186 · Items 2.02,7.01,9.01

  30. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001993004-25-000184

  31. 8-K · Current report

    Report date 2025-09-29 · 0001993004-25-000174 · Items 1.01,2.03,9.01

  32. 8-K · Current report

    Report date 2025-09-03 · 0001993004-25-000166 · Items 7.01,8.01,9.01

  33. 8-K · Current report

    Report date 2025-08-18 · 0001993004-25-000143 · Items 1.01,5.02,5.03,7.01,9.01

  34. 8-K · Current report

    Report date 2025-08-19 · 0001993004-25-000130 · Items 7.01,9.01

  35. 8-K · Current report

    Report date 2025-07-30 · 0001993004-25-000122 · Items 2.02,7.01,9.01

  36. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001993004-25-000121

  37. 8-K · Current report

    Report date 2025-06-05 · 0001993004-25-000105 · Items 7.01,9.01

  38. 8-K · Current report

    Report date 2025-05-28 · 0001993004-25-000102 · Items 7.01,9.01

  39. 8-K · Current report

    Report date 2025-05-19 · 0001993004-25-000098 · Items 7.01,9.01

  40. 8-K · Current report

    Report date 2025-05-01 · 0001993004-25-000096 · Items 1.01,2.03,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 9 transaction rows9AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

9 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-06
2026-08-06
HORSFALL JAN ROBERTA · Grant / award
Acquired
Common Stock524.071.62
2026-08-04
2026-08-05
Yingling Jeffrey W.A · Grant / award
Acquired
Common Stock524.071.62
2026-07-09
2026-07-13
Edwards Sherina M.A · Grant / award
Acquired
Common Stock524.071.62
2026-07-09
2026-07-13
Ide Britt EA · Grant / award
Acquired
Common Stock524.071.62
2026-07-09
2026-07-13
Larson Kent TA · Grant / award
Acquired
Common Stock524.071.62
2026-07-09
2026-07-13
Goodin David LA · Grant / award
Acquired
Common Stock524.071.62
2026-07-09
2026-07-13
Sullivan Linda GA · Grant / award
Acquired
Common Stock768.071.62
2026-07-09
2026-07-13 · Amendment
YAZDI MAHVASHA · Grant / award
Acquired
Common Stock524.071.62
2026-07-06
2026-07-13
YAZDI MAHVASHA · Grant / award
Acquired
Common Stock524.071.62

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001993004NorthWestern Energy Group, Inc.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

    Year endedReported USD revenueCPI-adjusted USD revenue
    2024-12-31$1.51B$1.63B
    2023-12-31$1.42B$1.57B
    2022-12-31$1.48B$1.70B
    2021-12-31$1.37B$1.71B

    Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

    Explore the CPI history ↗