Jason Phillips - 04 Feb 2026 Form 4 Insider Report for CELESTICA INC (CLS)

Role: President
Signature: /s/ Tracy Connelly McGilley, attorney-in-fact
Issuer symbol: CLS
Transactions as of: 04 Feb 2026
Net transactions value: -$37,224,154
Form type: 4
Filing time: 06 Feb 2026, 16:17:57 UTC
Previous filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Phillips Jason	President	5140 YONGE STREET, SUITE 1900, TORONTO, ONTARIO, CANADA	/s/ Tracy Connelly McGilley, attorney-in-fact	06 Feb 2026	0001973245

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLS	Common Shares	Options Exercise	$0	+2,537	+1.9%	$0.000000	133,700	04 Feb 2026	Direct	F1
transaction	CLS	Common Shares	Tax liability	$331,954	-1,116	-0.83%	$297.45	132,584	04 Feb 2026	Direct	F2
transaction	CLS	Common Shares	Sale	$6,000,200	-20,000	-15%	$300.01	112,584	05 Feb 2026	Direct
transaction	CLS	Common Shares	Sale	$30,892,000	-100,000	-89%	$308.92	12,584	06 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLS	Restricted Share Units	Options Exercise	$0	-2,537	-33%	$0.000000	5,074	04 Feb 2026	Common Shares	2,537		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 18,505 common shares that were inadvertently omitted from the reporting person's previous filings, as reported on the Form 3 amendment filed on February 6, 2026.
F2	Shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted share units ("RSUs").
F3	Each RSU represents a contingent right to receive one common share or an equivalent value in cash.
F4	On February 4, 2025, the reporting person was granted 7,611 RSUs, which vest ratably over a three-year period on each of the first and second anniversaries of the grant date and on December 1 following the second anniversary of the grant date.