Company: ATLN
Filing Date: 2025-05-30
Form Type: DEFA14A
Source: 0001605888-25-000022
Chunk: 4

Company: ATLANTIC INTERNATIONAL CORP.
Filing Date: 2025-05-30
Form: DEFA14A
Chunk 4
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ING FIRM                    |     |                                                                        |     |       24 |
| PROPOSAL 5 - THE APPROVAL THE COMPANY’S 2025 EQUITY INCENTIVE PLAN                                                                 |     |                                                                        |     |       25 |
| PROPOSAL 6 - THEINCREASE IN AUTHORIZED SHARES AND CHANGE IN PAR VALUE                                                              |     |                                                                        |     |       29 |
| PROPOSAL 7 - THE MAJORITY VOTE FOR REMOVAL OF A DIRECTOR                                                                           |     |                                                                        |     |       29 |
| PROPOSAL 8 - SHAREHOLDER ACTION BY WRITTEN CONSENT                                                                                 |     |                                                                        |     |       30 |

<div align='center'>iv</div>

| PROPOSAL 9 - RECLASSIFICATION OF THE BOARD TO AN UNCLASSIFIED BOARD |     | 30 |
| OTHER INFORMATION                                                   |     | 31 |

<div align='center'>v</div>

#### ATLANTIC INTERNATIONAL CORP.

### PROXY STATEMENT

#### FOR THE 2025 ANNUAL MEETING OF STOCKHOLDERS

#### TO BE HELD ON JULY 15, 2025

### GENERAL INFORMATION
Our Board of Directors (the “Board”) solicits your proxy on our behalf for the 2025 Annual Meeting of Stockholders (the “Annual Meeting”) of Atlantic International Corp. and at any postponement or adjournment of the Annual Meeting for the purposes set forth in this Proxy Statement and the accompanying Notice of 2025 Annual Meeting of Stockholders (the “Notice”). The Annual Meeting will be held at 10:00 A.M. (Eastern Time) on July 15, 2025. You will be able to attend the Annual Meeting, vote your shares of common stock and submit your questions during the Annual Meeting in a live webcast available at https://meeting.vstocktransfer.com/ATLANTICJULY25. The Annual Meeting will be a completely virtual meeting of stockholders which will be conducted exclusively by webcast on the internet. No physical meeting will be held.

In this Proxy Statement the terms “Atlantic International”, the “Company”, “we”, “us”, and “our” refer to Atlantic International Corp. The address and telephone number of our principal executive offices is Atlantic International Corp., 270 Sylvan Avenue, Suite 2230, Englewood Cliffs, New Jersey 07632, telephone: (201) 899-4470. This Proxy Statement, the