Celestica Inc. (CLS) director acquires 267 director share units in year-end grant

Rhea-AI Filing Summary

Celestica Inc. director reports acquisition of additional director share units. A board member of Celestica Inc. (CLS) filed a Form 4 disclosing that on 12/31/2025 they acquired 267 director share units. These units carry no exercise price and represent the right to receive an equal number of common shares, or an equivalent cash amount, when the holder stops serving Celestica as a director, consultant or other service provider, at the company’s discretion. Following this transaction, the reporting person beneficially owns 1,116 derivative securities (director share units) on a direct basis.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Muller Luis A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Director Share Units	267	$0.00	--

Holdings After Transaction: Director Share Units — 1,116 shares (Direct)

Footnotes (1)

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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
Estimated average burden
hours per response:			0.5

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^*

Muller Luis A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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

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
Director Share Units	(1)	12/31/2025		A		267		(1)	(1)	Common Shares	267	$0	1,116	D

Explanation of Responses:

1. Each director share unit represents a contingent right to receive one common share or an equivalent value in cash at the Issuer's discretion when the holder ceases to serve the Issuer as any of a director, consultant or other service provider.

	/s/ Tracy Connelly McGilley, attorney-in-fact	01/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Celestica Inc. (CLS) disclose in this Form 4?

A Celestica Inc. director reported acquiring 267 director share units on 12/31/2025, increasing their holdings of these derivative securities.

How many Celestica Inc. (CLS) director share units does the insider own after the transaction?

After the reported transaction, the insider beneficially owns 1,116 director share units related to Celestica Inc. common shares, held directly.

What does each Celestica Inc. (CLS) director share unit represent?

Each director share unit represents a contingent right to receive one common share of Celestica Inc. or an equivalent value in cash, at the company’s discretion, when the holder ceases to serve as a director, consultant or other service provider.

Was there a cash exercise price for the Celestica (CLS) director share units acquired?

The filing shows an exercise price of $0 for the acquired director share units, indicating they were granted rather than purchased for cash.

Is the Celestica Inc. (CLS) Form 4 filed for one reporting person or multiple?

The Form 4 is indicated as filed by one reporting person, not a joint or group filing.

What is the relationship of the reporting person to Celestica Inc. (CLS)?

The reporting person is identified as a Director of Celestica Inc. on the Form 4.