Company: JBI
Filing Date: 2025-04-10
Form Type: PRE 14A
Source: 0001140361-25-013248
Chunk: 3

Company: Janus International Group, Inc.
Filing Date: 2025-04-10
Form: PRE 14A
Chunk 3
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     |  A-1 |

TABLE OF CONTENTS

PROXY STATEMENT SUMMARY Below are highlights of certain information in this proxy statement (this “Proxy Statement”). As it is only a summary, it may not contain all of the information that is important to you. For more complete information, please refer to the complete Proxy Statement and Janus’s 2024 Annual Report before you vote. References to “Janus,” the “Company,” “we,” “us” or “our” refer to Janus International Group, Inc. 2025 Annual Meeting of Shareholders

| Date and Time: 
 Place:         |     | June 16, 2025, 2:00 p.m. ET                                                                                                                                                                        
 Via the internet at www.virtualshareholdermeeting.com/JBI2025                                                                                                                                      |
|:---------------|:----|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Record Date:   |     | April 23, 2025                                                                                                                                                                                     |
| Voting:        |     | Shareholders as of the record date are entitled to vote. Each share of common stock is entitled to one vote for each director nominee and one vote for each of the other proposals to be voted on. |
| Admission:     |     | To enter the Annual Meeting via www.virtualshareholdermeeting.com/JBI2025, you will need the 16-digit control number provided in your proxy materials.                                             |

The deadline for voting via the internet or by telephone is 11:59 p.m. ET on June 15, 2025. If you vote by mail, your proxy card must be received before the Annual Meeting. Beneficial owners who own shares through a bank, brokerage firm, or similar organization can vote by returning the voting instruction form, or by following the instructions for voting via the internet or by telephone, as provided by the bank, brokerage firm, or similar organization. If you own shares in different accounts or in more than one name, you may receive different voting instructions for each type of ownership. Please vote all of your shares. If you are a shareholder of record or a beneficial owner, you may choose to vote at the Annual Meeting. Even if you plan to attend our Annual Meeting, please cast your vote as soon as possible.For more information on voting your shares, please see the section titled “Commonly Asked Questions and Answers About the Annual Meeting.” Electronic Delivery of Proxy Materials As permitted under SEC rules, we are mailing a Notice of Internet Availability of Proxy Materials instead of a paper copy of these proxy materials. We