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): May 7, 2025

CALIX, INC.

(Exact name of Registrant as specified in its charter)

Delaware

001-34674

68-0438710

(State or other jurisdiction
of incorporation)

(Commission
File No.)

(I.R.S. Employer
Identification No.)

2777 Orchard Parkway, San Jose, California

95134

(Address of principal executive offices)

(Zip Code)


(408) 514-3000
(Registrant’s telephone number, including area code)


Not Applicable
(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

Name of Each Exchange on Which Registered

Common Stock, par value $0.025 per share

CALX

New York Stock Exchange

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). o

Item 8.01 Other Events.

Michael Weening, Calix’s President and Chief Executive Officer, announces with great regret that Calix’s chief commercial operations officer, J. Matthew Collins, passed away on May 7, 2025.

Weening would like the Calix community to know that “Matt’s impact on our culture and customers over these last eight years was profound - he will be deeply missed. On a personal note, Matt was a great friend to me and others, and we all extend to his family our deepest condolences and healing well wishes.”

SIGNATURE

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.

Date:

May 12, 2025

Calix, Inc.

By:

/s/ Doug McNitt

Doug McNitt

EVP, General Counsel

CALIX, INC 8-K