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NASDAQ: ILMN ILLUMINA, INC. 8-K

Illumina issues $300M in 4.950% notes due 2029 to refinance maturing debt

Filed August 12, 2026 · Period ending August 10, 2026 · ~1 min read

2 key changes 1 section

Key Changes

  • medium

    Illumina entered into an underwriting agreement to issue $300M of 4.950% notes due 2029, with closing expected August 17, 2026.

    Item 8.01 verify on EDGAR →
  • medium

    Proceeds will refinance the company's 4.650% notes maturing September 9, 2026, extending debt maturity by three years.

    Item 8.01 verify on EDGAR →

Summary

Illumina is refinancing $300 million of debt maturing next month by issuing new notes with a three-year maturity extension. The company entered into an underwriting agreement on August 10, 2026, for 4.950% notes due 2029, with the offering expected to close August 17. Proceeds, together with cash on hand, will repay the 4.650% notes due September 9, 2026.

This is a straightforward debt refinancing that extends maturity from 2026 to 2029. The new notes carry a 30-basis-point higher coupon than the maturing debt, reflecting current market conditions. For retail holders, this is a routine capital structure management action with no immediate operational impact.

Section-by-Section Diff

Event · Item 8.01 — Other Events

~200 words

Item 8.01 — Other Events filed; see Key Changes for terms.

1 Added
Added Use of proceeds medium

Added in current filing · verify on EDGAR →

Illumina expects to use the net proceeds from the offering, together with cash on hand, to repay its 4.650% notes due September 9, 2026.

The company will use proceeds from the new notes, along with existing cash, to refinance its 4.650% notes maturing September 9, 2026. This is a debt refinancing transaction extending maturity from 2026 to 2029.

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View original filing on SEC.gov

Figures/quotes linked to EDGAR · Narrative written by AI · Aug 13, 2026 · How we verify