Celestica President Todd C. Cooper Sells 20,118 Shares

The transaction was reported under a Rule 10b5-1 plan adopted by the president on June 4, 2026.

Rhea-AI Filing Summary

CELESTICA INC (CLS) President Todd C. Cooper sold 20,118 Common Shares on September 23, 2026, at $360 per share. The transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on June 4, 2026. It was reported as a sale in the open market or private transaction. After the sale, he directly held 73,252 Common Shares.

Insider Trade Summary 10b5-1

Net Seller: 20,118 shares

Net Sell 1 txn

Insider Cooper Todd C

Role President

Sold 20,118 shs ($7.24M)

Type	Security	Shares	Price	Value
Sale	Common Shares F1	20,118	$360.00	$7.24M

Holdings After Transaction: Common Shares — 73,252 shares (Direct)

Footnotes (1)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on June 4, 2026.

Key Figures

Common Shares sold: 20,118 shares Sale price: $360 per share Common Shares directly held after sale: 73,252 shares

3 metrics

Common Shares sold 20,118 shares September 23, 2026

Sale price $360 per share September 23, 2026

Common Shares directly held after sale 73,252 shares After the September 23, 2026 transaction

Key Terms

Rule 10b5-1 plan, Common Shares

2 terms

Rule 10b5-1 plan regulatory

"pursuant to a Rule 10b5-1 plan adopted by the reporting person"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Common Shares financial

"sold 20,118 Common Shares"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CLS shares did the president sell, and at what price?

President Todd C. Cooper sold 20,118 Common Shares at $360 per share on September 23, 2026.

How many CLS shares did the president hold after the sale?

After the sale, President Todd C. Cooper directly held 73,252 Common Shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/24/2026 - 05:34 PM Accepted by SEC EDGAR 09/24/2026 - 05:33 PM Learn about SEC filing dates

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).

X

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 M2N 6L7

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/23/2026

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

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

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

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	09/23/2026		S(1)		20,118	D	$360	73,252	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

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on June 4, 2026.

	/s/ Tracy Connelly McGilley, attorney-in-fact	09/24/2026
	** 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.
* Form 4: SEC 1474 (03-26)