Form 8-K

8-K — CELESTICA INC

Accession: 0001030894-26-000038

Filed: 2026-07-06

Period: 2026-07-06

CIK: 0001030894

SIC: 3672 (PRINTED CIRCUIT BOARDS)

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

Item: Financial Statements and Exhibits

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8-K — cls-20260706.htm (Primary)

EX-99.1 (ccsleadershiptransitionpre.htm)

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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): July 6, 2026

________________________________________________

Celestica Inc.

(Exact name of registrant as specified in its charter)

________________________________________________

Ontario, Canada 001-14832 98-0185558

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

5140 Yonge Street, Suite 1900

M2N 6L7

Toronto, Ontario, Canada

(Zip Code)

(Address of principal executive officers)

(416) 448-2211

(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 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 Name of each exchange on which registered

Common Shares without par value CLS 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. ☐

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

On July 6, 2026, Celestica Inc. (the “Company”) announced the retirement of Jason Phillips from the Company at the end of this year. Steven Dorwart will succeed Mr. Phillips as President, Connectivity and Cloud Solutions, effective immediately. Mr. Phillips will serve in an advisory capacity until the end of this year.

A copy of the press release announcing the appointment is attached as Exhibit 99.1 to this report.

Item 9.01. Financial Statements and Exhibits.

Exhibit No. Description

99.1

Press Release of the Company dated July 6, 2026

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

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.

CELESTICA INC.

Date: July 6, 2026

By: /s/ Douglas Parker

Name: Douglas Parker

Title: Chief Legal Officer and Corporate Secretary

EX-99.1

Filename: ccsleadershiptransitionpre.htm · Sequence: 2

Document

Exhibit 99.1

FOR IMMEDIATE RELEASE July 6, 2026

Celestica Announces Leadership Transition in its Connectivity and Cloud Solutions Segment

TORONTO, Canada - Celestica Inc. (NYSE: CLS) (TSX: CLS), a global leader in data center infrastructure and advanced technology solutions, today announced the appointment of Steven Dorwart to President, Connectivity and Cloud Solutions (CCS), effective July 6, 2026. Steven Dorwart succeeds Jason Phillips who will be retiring at the end of the year.

Steven Dorwart steps into the role with a proven track record of aligning Celestica’s strategic capabilities with the evolving needs of its enterprise and hyperscaler customers. As a 21-year veteran of the company who previously served as Senior Vice President and General Manager, Global Accounts, CCS, Steven leverages deep customer relationships and a thorough understanding of the competitive landscape to ensure Celestica remains uniquely positioned to deliver long-term value and innovative solutions to its global customers.

“I would like to congratulate Steven on his appointment,” said Rob Mionis, Chair and Chief Executive Officer, Celestica. Steven is a key member of our leadership team and has been the driving force behind some of our most important growth milestones. He has the experience, customer relationships and strategic vision to continue building on our strong growth momentum. I have complete confidence in his leadership.”

Mionis added: “I also want to thank Jason Phillips for the significant contribution that he has made to Celestica's success over the course of his career. His commitment to strengthening our CCS business, making it more resilient, and positioning it for growth has been has been instrumental in our success. He leaves a lasting legacy at Celestica, and I wish him a healthy, happy, and incredibly well-earned retirement.”

To ensure a seamless transition, Jason will remain in an advisory capacity until the end of the year.

About Celestica

Celestica is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages. For more information on Celestica, visit www.celestica.com. Our securities filings can be accessed at www.sedarplus.ca and www.sec.gov.

The information contained on or accessible through www.celestica.com is not incorporated by reference into, and does not form part of, this release.

Contacts:

Celestica Global Communications

(416) 448-2200

media@celestica.com

Celestica Investor Relations

(416) 448-2211

clsir@celestica.com

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