Illumina, Inc. filed an 8-K with the U.S. Securities and Exchange Commission on August 17, 2026, reporting the completion of a public offering of $300,000,000 aggregate principal amount of 4.950% notes due 2029.

Key Highlights

  • Offering size: $300,000,000 aggregate principal amount of 4.950% notes due 2029 was completed on August 17, 2026.
  • Maturity and interest: The notes mature on September 19, 2029, and accrue interest at 4.950% per annum, payable semi-annually.
  • Intended use of proceeds: Illumina expects to use the net proceeds, together with cash on hand, to repay its 4.650% notes due September 9, 2026.
  • Outstanding debt to be repaid: $500 million aggregate principal amount of the 4.650% notes was outstanding as of June 28, 2026.
  • Trustee: The notes were issued under an Indenture dated March 12, 2021, with U.S. Bank Trust Company, National Association, as successor trustee.
  • Redemption option: The company may, at its election, redeem the notes in whole or in part at any time at the redemption prices and on terms set forth in the notes.

Illumina Issues $300M in Senior Notes to Refinance Near-Term Debt

According to the filing, Illumina, Inc. (NASDAQ:ILMN) completed the public offering of $300,000,000 aggregate principal amount of 4.950% notes due 2029 on August 17, 2026. The notes were issued pursuant to an Indenture dated March 12, 2021, between the company and U.S. Bank Trust Company, National Association, as successor in interest to U.S. Bank National Association, as trustee. The offering was registered on a Registration Statement on Form S-3 (File No. 333-281921).

The company disclosed that it expects to use the net proceeds from the offering, together with cash on hand, to repay its existing 4.650% notes due September 9, 2026, of which $500 million aggregate principal amount was outstanding as of June 28, 2026. The new notes will accrue interest at 4.950% per annum, payable semi-annually, and will mature on September 19, 2029.

The filing further states that upon the occurrence of an Event of Default, as defined in the Indenture, the principal amount of the notes may be declared due and payable immediately. Illumina retains the option to redeem the notes, in whole or in part, from time to time at the redemption prices and on the terms and conditions set forth in the notes. The 8-K was signed by Ankur Dhingra, Chief Financial Officer, on August 17, 2026.

What Was Disclosed

Illumina reported the completion of a $300,000,000 public offering of 4.950% notes due September 19, 2029, with proceeds intended, along with cash on hand, to repay $500 million in outstanding 4.650% notes maturing September 9, 2026.