Company: ACCO
Filing Date: 2025-06-30
Form Type: 11-K/A
Source: 0000950170-25-091716
Chunk: 13

Company: ACCO BRANDS Corp
Filing Date: 2025-06-30
Form: 11-K/A
Chunk 13
---
,420,642 |

* Denotes party-in-interest. ** Participant-directed investment, cost basis disclosure not required.

13

INDEX TO EXHIBITS

| Exhibit Number |     | Description                                                           |
| 23.1           |     | Consent of Independent Registered Public Accounting Firm - Crowe LLP* |

* Filed herewith

14

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Committee, which administers the Plan has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

| Date: | June 30, 2025 | By: | /s/ James M. Dudek, Jr. | ACCO Brands Corporation 401(k) Plan                                      |
|:------|:--------------|:----|:------------------------|:-------------------------------------------------------------------------|
|       |               |     |                         | James M. Dudek, Jr.                                                      |
|       |               |     |                         | Senior Vice President, Corporate Controller and Chief Accounting Officer |

15