[Form 4] CELESTICA INC Insider Trading Activity

Rhea-AI Filing Summary

Celestica Inc. reported an insider equity transaction by its President. On 12/01/2025, the officer acquired 17,792 common shares through the vesting and settlement of restricted share units at an exercise price of $0, increasing directly held shares. On the same date, 8,248 common shares were disposed of at $344.41 per share to cover tax withholding obligations tied to the RSU vesting. Following these transactions, the officer directly owned 108,970 common shares. The underlying RSU award covered 17,792 common shares and was fully settled, leaving no derivative securities from that grant outstanding.

Insider Trade Summary

17,792 shares exercised/converted

Mixed 3 txns

Insider Cooper Todd C

Role President

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	17,792	$0.00	--
Exercise	Common Shares	17,792	$0.00	--
Tax Withholding	Common Shares	8,248	$344.41	$2.84M

Holdings After Transaction: Restricted Share Units — 0 shares (Direct); Common Shares — 117,218 shares (Direct)

Footnotes (1)

1. Shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted share units ("RSUs"). Each RSU represents a contingent right to receive one common share or an equivalent value in cash at the holder's election. On January 31, 2023, the reporting person was granted 53,375 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cooper Todd C

(Last) (First) (Middle)

5140 YONGE STREET

SUITE 1900

(Street)

TORONTO A6 M2N 6L7

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CELESTICA INC [ CLS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
12/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	12/01/2025		M		17,792	A	$0	117,218	D
Common Shares	12/01/2025		F		8,248(1)	D	$344.41	108,970	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(2)	12/01/2025		M			17,792	(3)	(3)	Common Shares	17,792	$0	0	D

Explanation of Responses:

1. Shares withheld to satisfy tax withholding obligations arising out of the vesting of restricted share units ("RSUs").

2. Each RSU represents a contingent right to receive one common share or an equivalent value in cash at the holder's election.

3. On January 31, 2023, the reporting person was granted 53,375 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.

	/s/ Samantha Graff, attorney-in-fact	12/02/2025
	** Signature of Reporting Person	Date
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