Company: ONCHW
Filing Date: 2025-06-26
Form Type: S-1/A
Source: 0001213900-25-058226
Chunk: 334

Company: 1RT Acquisition Corp.
Filing Date: 2025-06-26
Form: S-1/A
Chunk 334
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| Name:                 |     | Dan Tapiero             |
| Title:                |     | Chief Executive Officer |

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

| Name            
 /s/ Dan Tapiero |     | Position                                    
 Chief Executive Officer and Director        |     | Date          
 June 26, 2025 |
|:----------------|:----|:--------------------------------------------|:----|:--------------|
| Dan Tapiero     |     | -principal executive officer                |     |               |
| /s/ Joe Majocha |     | Chief Financial Officer                     |     | June 26, 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 26 thday of June 2025.

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

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