Company: ONCHW
Filing Date: 2025-06-11
Form Type: S-1
Source: 0001213900-25-053361
Chunk: 336

Company: 1RT Acquisition Corp.
Filing Date: 2025-06-11
Form: S-1
Chunk 336
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     | -principal executive officer                |     |               |
| /s/ Joe Majocha |     | Chief Financial Officer                     |     | June 11, 2025 |
| Joe Majocha     |     | -principal financial and accounting officer |     |               |

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Authorized representative IN THE UNITED STATES Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, the undersigned has signed this registration statement, solely in its capacity as the duly authorized representative of 1RT Acquisition Corp., in New York, New York, on the 11 thday of June 2025.

| By:    |     | /s/ Dan Tapiero         |
| Name:  |     | Dan Tapiero             |
| Title: |     | Chief Executive Officer |

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