Company: IIIV
Filing Date: 2025-01-10
Form Type: DEF 14A
Source: 0001728688-25-000006
Chunk: 2

Company: i3 Verticals, Inc.
Filing Date: 2025-01-10
Form: DEF 14A
Chunk 2
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| PROPOSAL 3 - ADVISORY VOTE ON EXECUTIVE COMPENSATION                                          |     | 23 |     |      |
| EXECUTIVE COMPENSATION                                                                        |     | 24 |     |      |
| SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT                                |     | 47 |     |      |
| CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS                                          |     | 50 |     |      |
| GENERAL INFORMATION                                                                           |     | 53 |     |      |
| APPENDIX A                                                                                    |     | 54 |     |      |

<div align='center'>2</div>

### ANNUAL MEETING OF STOCKHOLDERS

#### OF

#### i3 VERTICALS, INC.

#### 40 Burton Hills Blvd., Suite 415

#### Nashville, Tennessee 37215

### PROXY STATEMENT

#### January 10, 2025
This Proxy Statement, the form of proxy card and the 2024 Annual Report to Stockholders (with the annual report on Form 10-K for the year ended September 30, 2024) of i3 Verticals, Inc. (the “Company”) are being made available to holders (the “stockholders”) of our Class A common stock and Class B common stock (collectively, “Common Stock”), beginning on or about January 10, 2025. The Board of Directors of the Company (the “Board” or the “Board of Directors”) is soliciting your proxy to vote your shares of Common Stock at the Company’s 2025 Annual Meeting of Stockholders (the “Annual Meeting”). This Proxy Statement provides you with information on these matters to assist you in voting your shares.

In accordance with the rules of the Securities and Exchange Commission (the “SEC”), we are advising our stockholders of the availability on the Internet of our proxy materials related to the Annual Meeting. We are mailing to our stockholders a Notice of Internet Availability instead of a paper copy of each of the Proxy Statement and our 2024 Annual Report. The Notice of Internet Availability contains instructions on how stockholders can access the proxy materials over the Internet as well as how stockholders can receive a paper copy of our proxy materials, including the Proxy Statement, the 2024 Annual Report and a form of proxy card.

### INFORMATION ABOUT THE ANNUAL MEETING

#### When and where will the Annual Meeting be held?
The Annual Meeting will be held on