Company: GEF
Filing Date: 2025-06-06
Form Type: 11-K
Source: 0000043920-25-000026
Chunk: 0

Company: GREIF, INC
Filing Date: 2025-06-06
Form: 11-K
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### FORM 11-K
<div align='center'>ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2024

OR

o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______to_______</div>

#### Commission file number
<div align='center'>001-00566</div>

<div align='center'>A. Full title of the plan and the address of the plan, if different from that of the issuer named below:</div>

#### Greif 401(k) Retirement Plan
<div align='center'>B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:</div>

#### Greif, Inc.

#### 425 Winter Road

#### Delaware, Ohio 43015

### REQUIRED INFORMATION
The following financial statements for the Greif 401(k) Retirement Plan are being filed herewith:

| Description                                                                                   
 Financial Statements:                                                                         
 As of December 31, 2024 and 2023 and for the year ended December 31, 2024                     |     |    |     | Page No. |
|:----------------------------------------------------------------------------------------------|:----|---:|:----|:---------|
| Report of Independent Registered Public Accounting Firm                                       |     |  2 |     |          |
| Statements of Net Assets Available for Benefits                                               |     |  3 |     |          |
| Statement of Changes in Net Assets Available for Benefits                                     |     |  4 |     |          |
| Notes to Financial Statements                                                                 |     |  5 |     |          |
| Supplemental Schedule:Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |     | 11 |     |          |
| Signatures                                                                                    |     | 12 |     |          |

Note: All other schedules required by Section 2520.103-10 of the Department of Labor's Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974 have been omitted because they are not applicable.

The following exhibits are being filed herewith:

| Exhibit No. |     | Description                                              |
| 23.1