# EDGAR Filing Document

**Accession Number:** 0001030894
**File Stem:** 0001193125-26-233029
**Filing Date:** 2026-5
**Character Count:** 9096
**Document Hash:** 906d12d1acc5dee0249dc9343379246c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-233029.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0001193125-26-233029

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260519

**FILED AS OF DATE**: 20260520

**DATE AS OF CHANGE**: 20260520

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Wilson Michael Max
- **CENTRAL INDEX KEY:** 0002082884

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14832
- **FILM NUMBER:** 261005516

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 5140 YONGE STREET
- **STREET 2:** SUITE 1900
- **CITY:** TORONTO
- **PROVINCE COUNTRY:** A6
- **ZIP:** M2N 6L7
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CELESTICA INC
- **CENTRAL INDEX KEY:** 0001030894
- **STANDARD INDUSTRIAL CLASSIFICATION:** PRINTED CIRCUIT BOARDS [3672]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 980185558
- **STATE OF INCORPORATION:** A6
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 5140 YONGE STREET, SUITE 1900
- **CITY:** TORONTO
- **STATE:** A6
- **ZIP:** M2N 6L7
- **BUSINESS PHONE:** 416-448-5800

**MAIL ADDRESS:**
- **STREET 1:** 5140 YONGE STREET, SUITE 1900
- **CITY:** TORONTO
- **STATE:** A6
- **ZIP:** M2N 6L7

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] 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**<sup>*</sup><br>Wilson Michael Max<br><sub>(Last) (First) (Middle)</sub><br>5140 YONGE STREET<br>SUITE 1900<br><sub>(Street)</sub><br>TORONTO, ONTARIO, CANADA M2N 6L7<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-19 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CELESTICA INC [ CLS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Shares | 2026-05-19 |  | M |  | 8676 | A | $0 | 28886 | D |  |
| Common Shares | 2026-05-19 |  | S |  | 4168<sup>(1)</sup> | D | 333.31<sup>(2)</sup> | 24718 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 2146 | <sup>(4)</sup> | <sup>(4)</sup> | Common Shares | 2146 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 1347 | <sup>(5)</sup> | <sup>(5)</sup> | Common Shares | 1347 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 1167 | <sup>(6)</sup> | <sup>(6)</sup> | Common Shares | 1167 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 760 | <sup>(7)</sup> | <sup>(7)</sup> | Common Shares | 760 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 1191 | <sup>(8)</sup> | <sup>(8)</sup> | Common Shares | 1191 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 1337 | <sup>(9)</sup> | <sup>(9)</sup> | Common Shares | 1337 | $0 | 0 | D |  |
| Restricted Share Units | <sup>(3)</sup> | 2026-05-19 |  | M |  |  | 728 | <sup>(10)</sup> | <sup>(10)</sup> | Common Shares | 728 | $0 | 0 | D |  |
| Director Share Units | <sup>(11)</sup> | 2026-05-19 |  | A |  | 157 |  | <sup>(11)</sup> | <sup>(11)</sup> | Common Shares | 157 | $0 | 1984 | D |  |

---

### Footnotes:

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

(2) The price reported was converted from Canadian dollars to U.S. dollars using the Bank of Canada exchange rate on the transaction date.

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

(4) On June 30, 2023, the reporting person was granted 6,437 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(5) On September 30, 2023, the reporting person was granted 4,042 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(6) On December 31, 2023, the reporting person was granted 3,500 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(7) On March 31, 2024, the reporting person was granted 2,280 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(8) On June 30, 2024, the reporting person was granted 1,787 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(9) On September 30, 2024, the reporting person was granted 2,006 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(10) On December 31, 2024, the reporting person was granted 1,092 RSUs, 1/3 of which vest annually over 3 years on the anniversary of the grant date. The outstanding RSUs fully vested upon reporting person's retirement on May 19, 2026.

(11) 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.

**Signature:** /s/ Tracy Connelly McGilley, attorney-in-fact  
**Date:** 2026-05-20

### Remarks:

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.**