Here are the S-3 shelf registrations from OGE Energy Corp. (OGE) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
An S-3 covers the shelf registration that lets an established company sell over time, so if you follow OGE and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full OGE filings page.
OGE Energy Corp. registers 5,000,000 shares of common stock under an Automatic Dividend Reinvestment and Stock Purchase Plan. The prospectus, dated February 23, 2026, updates plan terms including raising the optional cash investment annual limit to $500,000, describes share sourcing (newly issued, treasury or open-market purchases), pricing mechanics including waiver pricing periods and potential discounts of 0%–3%, applicable fees, tax treatment of reinvested dividends, and participant procedures.