Mandeep Chawla - 02 Feb 2026 Form 4 Insider Report for CELESTICA INC (CLS)

Role: Chief Financial Officer
Signature: /s/ Tracy Connelly McGilley, attorney-in-fact
Issuer symbol: CLS
Transactions as of: 02 Feb 2026
Net transactions value: -$28,618,722
Form type: 4
Filing time: 03 Feb 2026, 16:21:47 UTC
Previous filing: 30 Jan 2026
Next filing: 06 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chawla Mandeep	Chief Financial Officer	5140 YONGE STREET, SUITE 1900, TORONTO, ONTARIO, CANADA	/s/ Tracy Connelly McGilley, attorney-in-fact	03 Feb 2026	0001972990

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLS	Common Shares	Options Exercise	$0	+183,674	+1937%	$0.000000	193,157	02 Feb 2026	Direct
transaction	CLS	Common Shares	Tax liability	$27,508,249	-98,321	-51%	$279.78	94,836	02 Feb 2026	Direct	F1, F2
transaction	CLS	Common Shares	Options Exercise	$0	+7,382	+7.8%	$0.000000	102,218	02 Feb 2026	Direct
transaction	CLS	Common Shares	Tax liability	$1,110,472	-3,952	-3.9%	$280.99	98,266	02 Feb 2026	Direct	F1

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	Performance Share Units	Options Exercise	$0	-183,674	-100%	$0.000000	0	02 Feb 2026	Common Shares	183,674		Direct	F3, F4
transaction	CLS	Restricted Share Units	Options Exercise	$0	-7,382	-50%	$0.000000	7,383	02 Feb 2026	Common Shares	7,382		Direct	F5, F6
transaction	CLS	Restricted Share Units	Award	$0	+4,630		$0.000000	4,630	03 Feb 2026	Common Shares	4,630		Direct	F5, F7

* 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") or performance share units ("PSUs"), as applicable.
F2	The price reported was converted from Canadian dollars to U.S. dollars using the Bank of Canada exchange rate on the transaction date.
F3	Each PSU represents a contingent right to receive one common share or an equivalent value in cash.
F4	Reflects PSUs deemed earned upon Human Resources and Compensation Committee certification of the achievement of pre-established performance parameters at 200% of the target. The common shares underlying these PSUs were issued to the reporting person following the vest on January 31, 2026.
F5	Each RSU represents a contingent right to receive one common share or an equivalent value in cash.
F6	On February 2, 2024, the reporting person was granted 22,148 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.
F7	On February 3, 2026, the reporting person was granted 4,630 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.