Illumina, Inc. filed a Form 8-K on August 12, 2026, disclosing that on August 10, 2026, it entered into an Underwriting Agreement for the issuance and sale 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.
  • Underwriters: J.P. Morgan Securities LLC and Citigroup Global Markets Inc. serve as representatives of the several underwriters named in the agreement.
  • Expected closing: The offering is expected to close on August 17, 2026, subject to customary closing conditions.
  • 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.
  • Registration: The Notes will be issued under Registration Statement on Form S-3 (Registration No. 333-281921), filed with the SEC on September 4, 2024.
  • Signed by: Ankur Dhingra, Chief Financial Officer, on behalf of Illumina, Inc.

Illumina Enters Underwriting Agreement to Refinance Near-Term Debt

According to the filing, Illumina, Inc. (NASDAQ:ILMN) entered into an Underwriting Agreement on August 10, 2026, with J.P. Morgan Securities LLC and Citigroup Global Markets Inc. as representatives of the several underwriters. The agreement covers the issuance and sale of $300,000,000 aggregate principal amount of 4.950% notes due 2029. The company disclosed that the offering is expected to close on August 17, 2026, subject to customary closing conditions.

The filing states that Illumina 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. The transaction is structured as a refinancing of near-term obligations. The Notes are to be issued and sold pursuant to a Registration Statement on Form S-3 (Registration No. 333-281921) that Illumina filed with the SEC on September 4, 2024.

The filing notes that the description of the Underwriting Agreement "is qualified by reference to the Underwriting Agreement filed as Exhibit 1.1 to this Current Report on Form 8-K and incorporated herein by reference." The report was signed by Chief Financial Officer Ankur Dhingra on August 12, 2026, on behalf of Illumina, Inc., a Delaware corporation headquartered at 5200 Illumina Way, San Diego, CA 92122.

What Was Disclosed

Illumina disclosed the execution of an underwriting agreement for a $300,000,000 offering of 4.950% notes due 2029, with proceeds intended, along with cash on hand, to repay its 4.650% notes due September 9, 2026. The offering was expected to close August 17, 2026.