Cabot Corporation filed an 8-K with the SEC on August 21, 2026, disclosing the completed issuance and sale of $350 million aggregate principal amount of 4.950% senior notes due 2029.

Key Highlights

  • Notes issued: $350 million aggregate principal amount of 4.950% senior notes due 2029, completed on August 21, 2026.
  • Redemption plan: Net proceeds will be used in part to redeem $250 million aggregate principal amount of 3.40% Senior Notes due September 2026.
  • Remaining proceeds: The remainder is designated for working capital and other general corporate purposes, including at Cabot's discretion, repayment of commercial paper and amounts outstanding under its multicurrency revolving credit facility.
  • Trustee: U.S. Bank Trust Company, National Association, serves as trustee under the Base Indenture dated June 22, 2022, as supplemented by the Second Supplemental Indenture dated August 21, 2026.
  • Registration: The offering was registered under an automatically effective shelf registration statement on Form S-3ASR (Registration Statement No. 333-276078), filed with the SEC on December 15, 2023.
  • Signing officer: Erica McLaughlin, Executive Vice President and Chief Financial Officer, signed the filing on behalf of Cabot Corporation.

Cabot Corporation Completes Senior Notes Issuance and Outlines Use of Proceeds

According to the filing, Cabot Corporation (NYSE:CBT) completed the issuance and sale of $350 million aggregate principal amount of 4.950% senior notes due 2029 on August 21, 2026. The notes were issued under a Base Indenture between Cabot and U.S. Bank Trust Company, National Association, dated June 22, 2022, as supplemented by the Second Supplemental Indenture dated August 21, 2026. The company filed the Second Supplemental Indenture as Exhibit 4.2 to the current report.

The filing discloses that Cabot intends to use the net proceeds primarily to redeem its existing $250 million aggregate principal amount of 3.40% Senior Notes due September 2026. The remaining proceeds are designated for working capital and other general corporate purposes, which the filing states may include, at Cabot's discretion, repayment of commercial paper and any amounts outstanding under its multicurrency revolving credit facility.

The offering was registered pursuant to an automatically effective shelf registration statement on Form S-3ASR under the Securities Act of 1933, as amended, bearing Registration Statement No. 333-276078, which was filed with the SEC on December 15, 2023. In connection with the registration, Cabot filed the opinion of Ropes & Gray LLP as to the validity of the notes as Exhibit 5.1 to the current report.

What Was Disclosed

Cabot Corporation reported the August 21, 2026 completion of a $350 million, 4.950% senior notes offering due 2029, with proceeds intended primarily to redeem $250 million of existing 3.40% Senior Notes due September 2026 and fund general corporate purposes.