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Illumina 8-K Report, Corporate Update (Aug 12, 2026)

Reports
Other Events·Exhibits & Filings
Filing Date
Filed August 12, 2026
Period End
August 10, 2026
Security
ILMN
In the record · 2016–202610-K1110-Q338-K167

ILMN filed 11 annual reports (10-K), 33 quarterly reports (10-Q) and 167 current reports (8-K) between 2016 and 2026.

  1. Leadership change8-K · Feb ’17Feb ’17
  2. Material agreement8-K · Sep ’19Sep ’19
  3. Deal closed8-K · Oct ’21Oct ’21
  4. Material agreement8-K · Jun ’25Jun ’25

01—Abstract

Summary

Summary of the 8-K filed August 12, 2026. Cited figures are marked; the original filing is the authoritative source.

On August 10, 2026, Illumina, Inc. (ILMN) entered into an Underwriting Agreement with J.P.

Morgan Securities LLC and Citigroup Global Markets Inc., as representatives of the several underwriters, for the issuance and sale of $300,000,000a aggregate principal amount of its 4.950% notes due 2029. The offering is expected to close on August 17, 2026, subject to customary closing conditions. 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 Notes are being issued under a Registration Statement on Form S-3 (Registration No. 333-281921) filed with the SEC on September 4, 2024, and the Underwriting Agreement is filed as Exhibit 1.1 to this report. For investors, the filing is a debt refinancing event: a new $300 millionb issuance at a 4.950% coupon and maturity in 2029 is being used to retire an existing note maturing in September 2026. The filing does not disclose any change to Illumina's operations, results, or guidance.

02—Key points

Key Highlights

  1. Illumina agreed on August 10, 2026 to issue and sell $300,000,000 aggregate principal amount of 4.950% notes due 2029.
  2. J.P. Morgan Securities LLC and Citigroup Global Markets Inc. are the representatives of the several underwriters.
  3. The offering is expected to close on August 17, 2026, subject to customary closing conditions.
  4. Net proceeds, together with cash on hand, are expected to repay the 4.650% notes due September 9, 2026.
  5. The notes are issued under Form S-3 Registration No. 333-281921, filed with the SEC on September 4, 2024.
  6. The Underwriting Agreement is filed as Exhibit 1.1, and the filing includes the Inline XBRL cover page (Exhibit 104).

03—Questions

Frequently Asked Questions

  1. How much debt is Illumina issuing and on what terms?

    Illumina is issuing $300,000,000 aggregate principal amount of 4.950% notes due 2029 under an Underwriting Agreement dated August 10, 2026.

  2. Why is Illumina issuing these notes?

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

  3. When is the offering expected to close?

    The offering is expected to close on August 17, 2026, subject to customary closing conditions.

  4. Who are the underwriters for the offering?

    J.P. Morgan Securities LLC and Citigroup Global Markets Inc. are the representatives of the several underwriters named in the Underwriting Agreement.

  5. Under what registration are the notes being sold?

    The notes are issued under a Registration Statement on Form S-3 (Registration No. 333-281921) that Illumina filed with the SEC on September 4, 2024.

04—Continue

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