Celestica CEO Robert Mionis disposes of 23,496 common shares for USD 8.53 million

• Celestica CEO Robert Mionis disclosed sales of 23,496 common shares on Aug. 13, 2026.
• Sales were executed through the Mionis 2026 GRAT Number Two trust at weighted-average prices from $360.37 to $365.34.
• The trust’s stake fell to 23,396 common shares following the transactions.
• Mionis reported direct ownership of 453,697 common shares.
• He also reported 210,445 common shares held indirectly via Mionis 2026 GRAT Number One.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Celestica Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-352263), on August 14, 2026, and is solely responsible for the information contained therein.