Company: ZEUS
Filing Date: 2025-10-30
Form Type: 425
Source: 0001437749-25-032438
Chunk: 12

Company: OLYMPIC STEEL INC
Filing Date: 2025-10-30
Form: 425
Chunk 12
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SIGNATURE</div>

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| October 30, 2025 |     | Olympic Steel, Inc.                          
 (Registrant)                                 
 /s/ Richard A. Manson                        |
|:-----------------|:----|:---------------------------------------------|
| (Date)           |     | Richard A. Manson                            |
|                  |     | Chief Financial Officer                      
 (Principal Financial and Accounting Officer) |