Celestica president receives 1,017-unit stock grant

Each unit carries a contingent right to one common share or equivalent cash at the holder’s election.

Available on EDGAR 11/05/2026 - 04:13 PM EST Accepted by SEC EDGAR 11/05/2026 - 04:13 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Steven Gregg Dorwart reported disposition transactions in this Form 4 filing. Celestica Inc. President Steven Gregg Dorwart was granted 1,017 restricted share units on August 11, 2026. Each unit represents a contingent right to receive one common share or an equivalent value in cash at the holder’s election. The units vest in three equal installments on February 5, 2028, February 5, 2029, and December 1, 2029.

Insider Trade Summary

Grant/Award: 1,017 shares

Grant/Award 1 txn

Insider Dorwart Steven Gregg

Role President

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Units F1, F2	1,017	$0.00	$0.00

Holdings After Transaction: Restricted Share Units — 1,017 contracts (Direct)

Holdings Before and After: Restricted Share Units, 2,034 to 1,017 contracts (Direct)

Footnotes (2)

1. F1. Each restricted share unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the holder's election.
2. F2. On August 11, 2026, the reporting person was granted 1,017 RSUs, which vest in three equal installments on February 5, 2028, February 5, 2029 and December 1, 2029.

Key Figures

Restricted share units granted: 1,017 RSUs Contingent common-share entitlement: 1 common share per RSU Vesting installments: 3 equal installments +3 more

6 metrics

Restricted share units granted 1,017 RSUs Granted August 11, 2026

Contingent common-share entitlement 1 common share per RSU Each RSU may instead be settled for equivalent value in cash at the holder’s election

Vesting installments 3 equal installments Scheduled for February 5, 2028, February 5, 2029, and December 1, 2029

First vesting date February 5, 2028 First of three equal installments

Second vesting date February 5, 2029 Second of three equal installments

Third vesting date December 1, 2029 Third of three equal installments

Key Terms

restricted share units, contingent right, vest

3 terms

restricted share units financial

"was granted 1,017 RSUs"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

contingent right technical

"represents a contingent right to receive one common share"

vest financial

"vest in three equal installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

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

How many RSUs did CLS President Steven Gregg Dorwart receive?

Steven Gregg Dorwart received 1,017 RSUs on August 11, 2026. They vest in three equal installments on February 5, 2028, February 5, 2029, and December 1, 2029.

What does each RSU granted to CLS President Steven Gregg Dorwart represent?

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

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

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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^*

Dorwart Steven Gregg

(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)
08/11/2026

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

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	(1)	08/11/2026		A			1,017	(2)	(2)	Common Shares	1,017	$0	1,017	D

Explanation of Responses:

1. Each restricted share unit ("RSU") represents a contingent right to receive one common share or an equivalent value in cash at the holder's election.

2. On August 11, 2026, the reporting person was granted 1,017 RSUs, which vest in three equal installments on February 5, 2028, February 5, 2029 and December 1, 2029.

	/s/ Tracy Connely McGilley, attorney-in-fact	11/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)