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Company research

PUBLIC SERVICE CO OF OKLAHOMA

CIK 81027Updated Sep 25, 2026

No exchange listing on record for this SEC filer. Coverage is drawn from its filings.

Filing activity

SEC EDGAR
Latest filing

8-K · Aug 14, 2026

50 filings on record · 8-K, 424B2, FWP, 424B5, EFFECT, CORRESP.

Recent filings

  1. Other Events

    Items 8.01, 9.01

    8-K · 2026-08-14 · 0000081027-26-000014

  2. 424B2 filing

    424B2 · 2026-08-13 · 0000081027-26-000009

  3. FWP filing

    FWP · 2026-08-12 · 0000081027-26-000005

  4. 424B5 filing

    424B5 · 2026-08-12 · 0000081027-26-000003

  5. Other Events

    Items 8.01, 9.01

    8-K · 2025-06-25 · 0000081027-25-000017

Show 5 more recent filings

  1. 424B2 filing

    424B2 · 2025-06-24 · 0000081027-25-000013

  2. FWP filing

    FWP · 2025-06-23 · 0000081027-25-000011

  3. 424B5 filing

    424B5 · 2025-06-23 · 0000081027-25-000005

  4. 8-K filing

    8-K · 2024-12-05 · 0000081027-24-000018

  5. 424B2 filing

    424B2 · 2024-12-04 · 0000081027-24-000016