A business in context

UTL research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000755001-26-000029

  2. 8-K · Current report

    Report date 2026-06-30 · 0000755001-26-000026 · Items 1.01,2.03,7.01,8.01,9.01

  3. 8-K · Current report

    Report date 2026-05-25 · 0000755001-26-000019 · Items 1.01,9.01

  4. 8-K · Current report

    Report date 2026-05-15 · 0000755001-26-000016 · Items 7.01,9.01

  5. 8-K · Current report

    Report date 2026-04-30 · 0000755001-26-000012 · Items 1.01,2.03,9.01

  6. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000755001-26-000010

  7. 8-K · Current report

    Report date 2026-04-29 · 0000755001-26-000008 · Items 5.07

  8. 8-K · Current report

    Report date 2026-04-29 · 0000755001-26-000004 · Items 7.01,9.01

  9. DEF 14A · Proxy statement

    Report date 2026-04-29 · 0001193125-26-128263

  10. 8-K · Current report

    Report date 2026-02-19 · 0001193125-26-067209 · Items 1.01,9.01

  11. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-042983

  12. 8-K · Current report

    Report date 2026-01-27 · 0001193125-26-033824 · Items 1.01,5.02,9.01

  13. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029594

  14. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029565

  15. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029548

  16. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029501

  17. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029475

  18. 8-K · Current report

    Report date 2026-01-23 · 0001193125-26-029469 · Items 1.01,9.01

  19. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029437

  20. 4 · Ownership change

    Report date 2026-01-27 · 0001193125-26-029406

  21. 8-K · Current report

    Report date 2025-12-15 · 0001193125-25-324977 · Items 7.01,8.01

  22. 8-K · Current report

    Report date 2025-10-29 · 0001193125-25-264824 · Items 5.02

  23. 8-K · Current report

    Report date 2025-10-31 · 0001193125-25-262797 · Items 1.01,2.03,7.01,8.01,9.01

  24. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-262745

  25. 4 · Ownership change

    Report date 2025-10-01 · 0001193125-25-229636

  26. 8-K · Current report

    Report date 2025-08-14 · 0001193125-25-181993 · Items 1.01,7.01,9.01

  27. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-102121

  28. 8-K · Current report

    Report date 2025-07-08 · 0001193125-25-158782 · Items 1.01,2.03,9.01

  29. 8-K · Current report

    Report date 2025-06-03 · 0001193125-25-134288 · Items 1.01,9.01

  30. 8-K · Current report

    Report date 2025-05-06 · 0001193125-25-117855 · Items 1.01,2.03,7.01,9.01

  31. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-064590

  32. 8-K · Current report

    Report date 2025-04-30 · 0001193125-25-112835 · Items 5.07

  33. 8-K · Current report

    Report date 2025-04-30 · 0001193125-25-105646 · Items 7.01,9.01

  34. 8-K · Current report

    Report date 2025-03-31 · 0001193125-25-073493 · Items 1.01,2.03,7.01,9.01

  35. DEF 14A · Proxy statement

    Report date 2025-04-30 · 0001193125-25-066425

  36. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-017154

  37. 8-K · Current report

    Report date 2025-01-29 · 0001193125-25-020122 · Items 1.01,2.03,7.01,8.01,9.01

  38. 8-K · Current report

    Report date 2024-10-30 · 0001193125-24-251276 · Items 5.02,7.01,9.01

  39. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000950170-24-120859

  40. 8-K · Current report

    Report date 2024-08-21 · 0001193125-24-207775 · Items 1.01,2.03,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

0 matching transaction rows.

No matching transaction rows in the covered quarter. This does not establish that no insider transactions occurred.

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0000755001UNITIL CORP

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 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Unitil Corporation · alias · wikidata
  • Portland Gas Light Company · alias · wikidata
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Revenue in constant purchasing power

USD revenue expressed in 2026-07 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$494.80M$526.70M
2023-12-31$557.10M$610.48M
2022-12-31$563.20M$642.50M
2021-12-31$473.30M$583.15M
2020-12-31$418.60M$540.07M
2019-12-31$438.20M$572.31M
2018-12-31$444.10M$590.53M
2017-12-31$406.20M$553.34M

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗