Mandeep Chawla - 04 Aug 2026 Form 4 Insider Report for CELESTICA INC (CLS)

Reporting relationship: Chief Financial Officer
Issuer ticker: CLS
Reported as of: 04 Aug 2026
Net transaction value: -$5,952,348
SEC form: 4
Accepted by SEC: 06 Aug 2026, 20:18:17 UTC
Prior SEC filing: 03 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Tracy Connelly McGilley, attorney-in-fact

Key filing fact

Mandeep Chawla filed Form 4 for CELESTICA INC (CLS) on 06 Aug 2026.

Key facts

This page summarizes Mandeep Chawla's Form 4 filing for CELESTICA INC (CLS).
15 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 06 Aug 2026, 20:18.

Change

Previous filing in this sequence was filed on 03 Aug 2026.
Current net transaction value: -$5,952,348.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001972990 Primary reporting owner

Chawla Mandeep

Relationship: Chief Financial Officer
Address: 5140 YONGE STREET, SUITE 1900, TORONTO, ONTARIO, CANADA
Signature: /s/ Tracy Connelly McGilley, attorney-in-fact
Signature date: 06 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLS transaction

Common Shares

Sale

Transaction value: $552,516
Shares: -1,534
Change %: -1.9%
Price: $360.18
Shares after: 80,027
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F2

CLS transaction

Common Shares

Sale

Transaction value: $101,237
Shares: -280
Change %: -0.35%
Price: $361.56
Shares after: 79,747
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F3

CLS transaction

Common Shares

Sale

Transaction value: $87,000
Shares: -240
Change %: -0.3%
Price: $362.50
Shares after: 79,507
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F4

CLS transaction

Common Shares

Sale

Transaction value: $348,960
Shares: -960
Change %: -1.2%
Price: $363.50
Shares after: 78,547
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F5

CLS transaction

Common Shares

Sale

Transaction value: $189,582
Shares: -520
Change %: -0.66%
Price: $364.58
Shares after: 78,027
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F6

CLS transaction

Common Shares

Sale

Transaction value: $116,976
Shares: -320
Change %: -0.41%
Price: $365.55
Shares after: 77,707
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F7

CLS transaction

Common Shares

Sale

Transaction value: $175,973
Shares: -480
Change %: -0.62%
Price: $366.61
Shares after: 77,227
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F8

CLS transaction

Common Shares

Sale

Transaction value: $396,965
Shares: -1,080
Change %: -1.4%
Price: $367.56
Shares after: 76,147
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F9

CLS transaction

Common Shares

Sale

Transaction value: $442,272
Shares: -1,200
Change %: -1.6%
Price: $368.56
Shares after: 74,947
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F10

CLS transaction

Common Shares

Sale

Transaction value: $147,696
Shares: -400
Change %: -0.53%
Price: $369.24
Shares after: 74,547
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F11

CLS transaction

Common Shares

Sale

Transaction value: $44,472
Shares: -120
Change %: -0.16%
Price: $370.60
Shares after: 74,427
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F12

CLS transaction

Common Shares

Sale

Transaction value: $474,623
Shares: -1,277
Change %: -1.7%
Price: $371.67
Shares after: 73,150
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F13

CLS transaction

Common Shares

Sale

Transaction value: $1,558,703
Shares: -4,185
Change %: -5.7%
Price: $372.45
Shares after: 68,965
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F14

CLS transaction

Common Shares

Sale

Transaction value: $1,031,013
Shares: -2,761
Change %: -4%
Price: $373.42
Shares after: 66,204
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F15

CLS transaction

Common Shares

Sale

Transaction value: $284,362
Shares: -760
Change %: -1.1%
Price: $374.16
Shares after: 65,444
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F1, F16

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 16 footnotes

Footnote F1

This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on March 13, 2026.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $360.00-$360.93, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $361.23-$361.92, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $362.05-$362.81, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.02-$363.90, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $364.10-$364.84, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.36-$365.98, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F8

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $366.00-$366.83, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F9

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $367.14-$367.96, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F10

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $368.06-$368.99, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F11

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $369.03-$369.79, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F12

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $370.11-$370.94, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F13

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $371.19-$371.96, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F14

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $372.01-$372.98, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F15

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $373.01-$373.94, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F16

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $374.02-$374.41, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.