Celestica (NYSE: CLS) CHRO reports RSU vesting, tax withholding and share sale

Rhea-AI Filing Summary

Celestica Inc.'s Chief Human Resources Officer reported several equity transactions in company common shares on 12/01/2025. The officer acquired 6,802 common shares at an exercise price of $0 through the vesting and settlement of restricted share units (RSUs), increasing directly held shares before subsequent transactions.

To cover tax withholding arising from the RSU vesting, 3,642 shares were withheld and disposed of at $323.38 per share, and an additional 3,160 shares were sold at the same price. After these transactions, the officer directly owned 13,892 common shares and held no remaining RSUs from this grant.

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

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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^*

Wong Leila

(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)
	Chief Human Resources Officer

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		6,802	A	$0	20,694	D
Common Shares	12/01/2025		F		3,642(1)	D	$323.38	17,052	D
Common Shares	12/01/2025		S		3,160	D	$323.38	13,892	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			6,802	(3)	(3)	Common Shares	6,802	$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 20,408 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
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Celestica (CLS) report on this Form 4?

The Chief Human Resources Officer acquired 6,802 common shares on 12/01/2025 through the vesting and settlement of restricted share units and then had shares withheld and sold.

How many Celestica (CLS) shares did the officer sell or have withheld?

On 12/01/2025, 3,642 shares were withheld to satisfy tax obligations at $323.38 per share, and 3,160 shares were sold at $323.38 per share.

How many Celestica (CLS) shares does the reporting person own after these transactions?

Following the reported transactions, the officer directly owned 13,892 common shares of Celestica Inc.

What was the source of the 6,802 Celestica (CLS) shares acquired by the officer?

The 6,802 shares came from the vesting of restricted share units granted on January 31, 2023, which vest ratably over a three-year period.

How do Celestica (CLS) restricted share units (RSUs) work in this grant?

Each RSU represents a contingent right to receive one common share or an equivalent value in cash at the holder's election, with this grant vesting in stages over three years.

What Celestica (CLS) role does the reporting person hold?

The reporting person is an officer of Celestica Inc., serving as the Chief Human Resources Officer.