The Williams Companies, Inc. filed an 8-K with the SEC on September 10, 2026, disclosing the completion of a registered offering of four tranches of senior unsecured notes totaling $2.75 billion in aggregate principal amount.

Key Highlights

  • Four-tranche offering: The company issued $500 million of 5.000% Senior Notes due 2029, $1.0 billion of 5.600% Senior Notes due 2033, $750 million of 5.800% Senior Notes due 2036, and $500 million of 6.400% Senior Notes due 2056.
  • Total proceeds: Aggregate principal amount across all four tranches is $2.75 billion.
  • Registered offering: The Offering was registered under the Securities Act of 1933 pursuant to Registration No. 333-277232 and a prospectus supplement dated September 8, 2026.
  • Trustee: The Bank of New York Mellon Trust Company, N.A. serves as trustee under the Indenture.
  • Supplemental Indenture: Notes were issued under the Fourteenth Supplemental Indenture, dated September 10, 2026, supplementing a Base Indenture originally dated December 18, 2012.
  • Redemption options: Each tranche includes both a make-whole premium redemption option prior to its respective par call date, and a par redemption option at 100% of principal on or after that date.

Williams Companies Issues Four Tranches of Senior Unsecured Notes

According to the filing, The Williams Companies, Inc. (NYSE:WMB) completed the Offering on September 10, 2026. The four tranches carry coupon rates ranging from 5.000% on the shortest-dated notes to 6.400% on the longest-dated notes. The 2029 Notes will pay interest semi-annually on April 15 and October 15 each year, beginning April 15, 2027, while the 2033 Notes, 2036 Notes, and 2056 Notes will pay interest semi-annually on March 15 and September 15 each year, beginning March 15, 2027, the filing stated.

The company disclosed that the Notes are senior unsecured obligations and "will rank equally in right of payment with all of its other senior indebtedness and senior to all of its future indebtedness that is expressly subordinated in right of payment to the Notes." The Indenture contains covenants that, among other things, restrict the company's ability to incur liens on certain assets and restrict mergers, consolidations, or dispositions of all or substantially all of its assets, subject to specified qualifications and exceptions, according to the filing.

The filing also noted that prior to each tranche's respective par call date, the company may redeem the notes at a make-whole premium. On or after those dates, September 15, 2029 for the 2029 Notes, July 15, 2033 for the 2033 Notes, June 15, 2036 for the 2036 Notes, and March 15, 2056 for the 2056 Notes, the company may redeem any or all of the applicable notes at 100% of principal plus accrued and unpaid interest to the redemption date.

What Was Disclosed

Williams Companies reported the closing of a $2.75 billion four-tranche senior notes offering on September 10, 2026, including the terms of each tranche, interest payment schedules, redemption provisions, and the Fourteenth Supplemental Indenture governing the notes.