Company: RNST
Filing Date: 2025-04-11
Form Type: S-4 POS
Source: 0000715072-25-000128
Chunk: 0

Company: RENASANT CORP
Filing Date: 2025-04-11
Form: S-4 POS
Chunk 0
---
As filed with the Securities and Exchange Commission on April 11, 2025

Registration No. 333-281851

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
#### ____________________________

#### POST-EFFECTIVE AMENDMENT NO. 1

#### ON

#### FORM S-8 TO FORM S-4

### REGISTRATION STATEMENT

#### UNDER

#### THE SECURITIES ACT OF 1933

### RENASANT CORPORATION
<div align='center'>(Exact name of registrant as specified in its charter)</div>

#### Mississippi 64-0676974
(State or other (I.R.S. Employer

jurisdiction of incorporation Identification No.)

or organization)

#### 209 Troy Street

#### Tupelo, Mississippi 38804-4827
<div align='center'>(Address of principal executive offices)(Zip Code)

THE FIRST BANCSHARES, INC. 2007 STOCK INCENTIVE PLAN, AS AMENDED

(Full title of the plan)</div>

| C. MITCHELL WAYCASTER                                        |     | Copy to:                       |
| Chief Executive Officer                                      |     | MARK W. JEANFREAU              |
| Renasant Corporation                                         |     | General Counsel                |
| 209 Troy Street                                              |     | Renasant Corporation           |
| Tupelo, Mississippi 38804-4827                               |     | 209 Troy Street                |
| (662) 680-1001                                               |     | Tupelo, Mississippi 38804-4827 |
| (Name and address, including zip code, and telephone number, 
 including area code, of agent for service)                   |     | (662) 680-1445                 |

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth