8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 2, 2026

Illumina, Inc.

(Exact name of registrant as specified in its charter)

001-35406

(Commission File Number)

Delaware	33-0804655
(State or other jurisdiction of incorporation)	(I.R.S. Employer Identification No.)

5200 Illumina Way, San Diego, CA 92122

(Address of principal executive offices) (Zip code)

(858) 202-4500

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	ILMN	The NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13a of the Exchange Act. o

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On April 2, 2026, each of Drs. Frances Arnold, Robert S. Epstein and Gary S. Guthart notified the Board of Directors (the "Board") of Illumina, Inc. (the "Company") of her or his intention to retire as a director of the Company, effective as of May 21, 2026 (the date of the Company’s 2026 annual meeting of stockholders).

The retirements of Drs. Arnold, Epstein and Guthart are not the result of any dispute or disagreement with the Company or the Board on any matter relating to the operations, policies or practices of the Company.

Item 7.01 Regulation FD Disclosure.

On April 2, 2026, the Company issued a press release announcing the changes in Board membership described in Item 5.02(b) above and that the Board has nominated David King for election as a director at the Company’s 2026 annual meeting of stockholders. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01, including Exhibit 99.1, shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1    Illumina, Inc. Press Release, dated April 2, 2026

104    Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		ILLUMINA, INC.
Date:	April 2, 2026	By:	/s/ SCOTT DAVIES
		Name:	Scott Davies
		Title:	Chief Legal Officer

Exhibit Index

Exhibit Number	Description
99.1	Illumina, Inc. Press Release, dated April 2, 2026
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

Document

Illumina Announces Changes to Board of Directors

David P. King nominated to support next phase of growth and innovation;

Frances Arnold, Robert S. Epstein, and Gary S. Guthart to retire from the Board

SAN DIEGO, April 2, 2026 /PRNewswire/ -- Illumina, Inc. (NASDAQ: ILMN) today announced changes to its Board of Directors. Frances Arnold, PhD, Robert S. Epstein, MD, and Gary S. Guthart, PhD, will retire from the Board in connection with the company’s upcoming annual meeting of shareholders, and the Board has nominated David P. King to be elected as a member of the Board.

“On behalf of the entire Board and management team, I want to thank Frances, Robert, and Gary for their exceptional service to Illumina,” said Scott Gottlieb, MD, Chair of the Board. “Their sound judgment and steady commitment helped steer the company through a period of transformation. Additionally, we’re pleased to nominate David King to the Board. Dave brings operating experience, public company board leadership, and regulatory insight forged across the healthcare and life sciences landscape. He has led complex organizations and advised companies at the intersection of innovation and patient care, translating technological advances into scalable, real-world applications that improve healthcare. With strong Board support, Illumina continues to lead the industry in advancing the integration of genomics into the practice of medicine.”

About David P. King

David P. King has extensive experience in healthcare and life sciences, serving in executive and non-executive roles. Mr. King is the former Executive Chairman and CEO of Laboratory Corporation of America Holdings (NYSE: LH), and currently serves as a director and chair of both Privia Health (NSDQ: PRVA) and AmSurg Corporation, and as a director of Smith & Nephew (NYSE: SNN). His board experience includes recent positions at several healthcare companies including ZimVie (2022-2025), VaxCare (2021-2025), and Health Channels. Before joining LabCorp in 2001, Mr. King was a partner at Hogan & Hartson LLP (now Hogan Lovells) where he was a key leader in the firm’s healthcare fraud and abuse practice, representing healthcare companies in investigations and litigation.

About Illumina

Illumina is improving human health by unlocking the power of the genome. Our focus on innovation has established us as a global leader in DNA sequencing and array-based technologies, serving customers in the research, clinical, and applied markets. Our products are used for applications in the life sciences, oncology, reproductive health, agriculture, and other emerging segments. To learn more, visit illumina.com and connect with us on X, Facebook, LinkedIn, Instagram, TikTok, and YouTube.

Investors:

Illumina Investor Relations

858.291.6421

IR@illumina.com

Media:

Christine Douglass

PR@illumina.com