8-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

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

AGILENT TECHNOLOGIES, INC.

(Exact name of Registrant as Specified in Its Charter)

(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:

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 13(a) of the Exchange Act. ☐

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

(b) As previously disclosed, on March 31, 2026, Bret DiMarco, Senior Vice President, Chief Legal Officer and Secretary of Agilent Technologies, Inc. (the “Company”), entered into a transition and general release agreement with the Company (the “Transition Agreement”) pursuant to which Mr. DiMarco will resign from such roles upon the earlier to occur of the start date of a new Chief Legal Officer or September 30, 2026.

On May 4, 2026, the Company appointed Michael Buckner as the new Chief Legal Officer and, as a result, effective on such date, Mr. DiMarco resigned from his positions as Senior Vice President, Chief Legal Officer and Secretary of the Company. In accordance with the Transition Agreement, Mr. DiMarco will remain employed as a Special Advisor in order to provide transitional assistance through December 1, 2026.

Item 7.01 Regulation FD Disclosure.

The Company issued a press release on May 4, 2026 announcing the appointment of Michael Buckner as the Company's Chief Legal Officer. A copy of the press release is furnished as Exhibit 99.1 to this report.

The information in this Item 7.01 and Exhibit 99.1 attached hereto are intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or

otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, 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

SIGNATURES

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

EX-99.1

Exibit 99.1

Agilent Names Michael Buckner as Chief Legal Officer

SANTA CLARA, Calif., May 4, 2026 – Agilent Technologies Inc. (NYSE: A) today announced the appointment of Michael Buckner as chief legal officer, effective today.

Buckner brings nearly three decades of experience as a senior global legal executive, with a proven track record of building and leading high-performing teams and deep expertise in complex transactions and regulatory environments.

“We are thrilled to welcome Michael to the Agilent team,” said Padraig McDonnell, Agilent president and CEO. “His experience leading global legal organizations, combined with his expertise across governance, compliance and regulatory matters, will play a key role as we continue to advance our strategy and deliver for our customers and stakeholders worldwide.”

Buckner joins Agilent from Danaher Corp., where he served as vice president, deputy general counsel, and chief M&A counsel. In this role, he led legal strategy for mergers and acquisitions, antitrust, intellectual property transactions, and debt securities, while overseeing a global team. He played a central role in several high-profile transactions, including the acquisition of Abcam and the Veralto spin-off, while advising senior leadership and members of the board on legal strategy and risk management.

Previously, Buckner spent 16 years at General Electric in roles of increasing responsibility, most recently as vice president and chief counsel for mergers and acquisitions, where he served as the company’s lead mergers and acquisitions lawyer globally. Earlier in his career, he held legal roles at Capital One Financial Corp. and in private practice, where he focused on corporate and securities law.

Buckner holds a Bachelor of Arts in history and political science, with high honors, from Rutgers University, and a Juris Doctor from the University of Chicago Law School.

About Agilent Technologies

Agilent Technologies, Inc. (NYSE: A) is a global leader in analytical and clinical laboratory technologies, delivering insights and innovation that help our customers bring great science to life. Agilent’s full range of solutions includes instruments, software, services, and expertise that provide trusted answers to our customers' most challenging questions. The company generated revenue of $6.95 billion in fiscal year 2025 and employs approximately 18,000 people worldwide. Information about Agilent is available at www.agilent.com. To receive the latest Agilent news, subscribe to the Agilent Newsroom. Follow Agilent on LinkedIn and Facebook.

Contacts

INVESTOR CONTACT:

Tejas Savant

+1 302-633-8090

tejas.savant@agilent.com

MEDIA CONTACT:

Kate Coyle

+1 302-633-7490

kate.coyle@agilent.com