Yann L. Etienvre - 04 Feb 2026 Form 4 Insider Report for CELESTICA INC (CLS)

Role: Chief Operations Officer
Signature: /s/ Tracy Connelly McGilley, attorney-in-fact
Issuer symbol: CLS
Transactions as of: 04 Feb 2026
Net transactions value: -$628,542
Form type: 4
Filing time: 06 Feb 2026, 16:19:25 UTC
Previous filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Etienvre Yann L	Chief Operations Officer	5140 YONGE STREET, SUITE 1900, TORONTO, ONTARIO, CANADA	/s/ Tracy Connelly McGilley, attorney-in-fact	06 Feb 2026	0001807647

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLS	Common Shares	Options Exercise	$0	+2,217		$0.000000	2,217	04 Feb 2026	Direct
transaction	CLS	Common Shares	Tax liability	$303,923	-1,072	-48%	$283.51	1,145	04 Feb 2026	Direct	F1
transaction	CLS	Common Shares	Sale	$324,619	-1,145	-100%	$283.51	0	04 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	-2,217	-33%	$0.000000	4,435	04 Feb 2026	Common Shares	2,217		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted share units ("RSUs").
F2	Each RSU represents a contingent right to receive one common share or an equivalent value in cash.
F3	On February 4, 2025, the reporting person was granted 6,652 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.